AN APPRAISAL ON THE EFFECT OF DIVIDEND POLICY ON MANUFACTURING FIRMS’ SHARE VALUE (A CASE STUDY OF SELECTED COMPANIES IN NIGERIA)

CHAPTER ONE: INTRODUCTION

1.1 Background of the Study

Dividend policy is one of the most debated and significant decisions in corporate finance, directly influencing a firm’s share value, investor confidence, and cost of capital. Dividend policy refers to the set of guidelines and decisions a company uses to determine how much of its earnings will be distributed to shareholders as dividends and how much will be retained for reinvestment in the business. This decision involves a fundamental trade-off: paying higher dividends provides immediate cash returns to shareholders, which may attract income-seeking investors and signal financial health; retaining earnings for reinvestment may fuel future growth, leading to capital gains and higher future dividends. The optimal dividend policy balances these competing objectives to maximize the firm’s share value (Pandey, 2019; Brigham and Ehrhardt, 2020).

The relationship between dividend policy and share value has been extensively studied in corporate finance literature, yet it remains a subject of considerable theoretical and empirical debate. Three major schools of thought dominate this discourse. The first, associated with Miller and Modigliani (1961), posits that dividend policy is irrelevant to share value in a perfect market with no taxes, no transaction costs, and perfect information. In such a world, the value of the firm is determined solely by its investment and financing decisions, not by how earnings are distributed. The second school, represented by Gordon (1963) and Lintner (1956), argues that dividends matter because investors prefer current dividends to future capital gains due to uncertainty (the “bird-in-the-hand” theory). According to this view, higher dividends increase share value. The third school, associated with tax preference theories (Litzenberger and Ramaswamy, 1979), argues that lower dividends increase share value because capital gains are taxed at lower rates than dividends (or are deferred until sale), making retention preferable in a tax-advantaged environment (Baker and Wurgler, 2019; Miller and Modigliani, 1961).

In the context of manufacturing firms in Nigeria, dividend policy decisions are particularly consequential. The manufacturing sector is a critical driver of economic growth, employment, and industrialization. Manufacturing firms in Nigeria face unique challenges: infrastructure deficits (unreliable electricity, poor roads), high borrowing costs (interest rates often exceed 20% per annum), currency volatility (affecting import of raw materials and machinery), and intense competition from imported goods. In this environment, retained earnings are often a vital source of financing for capital expenditure, working capital, and expansion. However, shareholders, especially in a high-inflation environment, may demand current dividends as a hedge against erosion of purchasing power. The dividend policy must navigate these tensions while aiming to maximize share value (Nwankwo and Eze, 2020; Okafor and Ugwu, 2021).

The manufacturing firms selected for this study represent a cross-section of the Nigerian manufacturing sector and include both listed and significant unlisted companies. The manufacturing sector in Nigeria comprises several sub-sectors: food and beverages (e.g., Nestlé Nigeria, Flour Mills Nigeria, Nigerian Breweries, Unilever Nigeria); building materials (e.g., Lafarge Africa, Dangote Cement); chemicals and paints (e.g., Chemical and Allied Products, Portland Paints); pharmaceuticals (e.g., GlaxoSmithKline Consumer Nigeria, Fidson Healthcare); and consumer goods (e.g., PZ Cussons Nigeria, Cadbury Nigeria). These firms vary in size, ownership structure, profitability, growth opportunities, and dividend history, providing a rich context for studying the dividend policy-share value relationship (Nigerian Exchange Group, 2022; Eze and Nwankwo, 2021).

Dividend policy in Nigeria is shaped by the regulatory framework. The Companies and Allied Matters Act (CAMA) 2020 provides the legal basis for dividend payments: dividends can only be paid out of distributable profits (i.e., accumulated realized profits less accumulated realized losses), and directors must certify that the company is solvent and will remain solvent after the dividend payment. The Nigerian Exchange Group (NGX) listing rules require quoted companies to declare dividends within 24 hours of board approval, to publish dividend announcements in newspapers, and to pay dividends within specified timelines (e.g., 30 days after declaration for interim dividends). The Investment and Securities Act (ISA) 2007 also provides protections for shareholders regarding dividend rights (CAMA, 2020; NGX, 2019).

The information content (or signaling) theory of dividends is particularly relevant to manufacturing firms in Nigeria. Because managers have more information about the firm’s prospects than outside investors (information asymmetry), changes in dividends can signal management’s confidence in future earnings. An unexpected increase in dividends may signal that management expects higher future profits, leading to an increase in share price. Conversely, a dividend cut may signal trouble, depressing share price. In Nigeria, where corporate governance and transparency are sometimes weak (though improving), dividend announcements are closely watched by investors as indicators of firm health. Manufacturing firms with volatile earnings may be cautious about committing to stable dividends, but a stable or growing dividend policy may enhance share value by reducing uncertainty (Lintner, 1956; Okafor and Ugwu, 2021).

Dividend policy also interacts with the firm’s capital structure and investment policy. Paying dividends reduces retained earnings, potentially forcing the firm to raise external capital (debt or equity) for investment. If external capital is costly (as in Nigeria, with high interest rates and equity issuance costs), this may reduce investment and future growth, negatively affecting share value. Conversely, if the firm has excess cash and limited profitable investment opportunities (free cash flow), paying dividends reduces the risk that managers will waste cash on value-destroying projects (the “free cash flow hypothesis” of Jensen, 1986). In this case, dividends increase share value by disciplining management. Manufacturing firms in Nigeria vary in their investment opportunities: some (e.g., Dangote Cement) have significant growth opportunities and retain most earnings; others (e.g., Nestlé Nigeria) have stable operations and distribute most earnings as dividends. This study will examine how these different contexts affect the dividend policy-share value relationship (Nwankwo and Eze, 2020).

The measurement of share value in this study will focus on market price per share (for listed companies) and, where available, valuation metrics such as price-to-earnings (P/E) ratio, market-to-book ratio, and total shareholder return (dividend yield + capital appreciation). For unlisted companies (which may have no market price), alternative measures such as book value per share or estimated intrinsic value (via dividend discount model) may be used, though this study focuses primarily on listed manufacturing firms to ensure robust market price data. Share value is influenced by many factors beyond dividend policy: firm profitability, growth prospects, risk, industry conditions, macroeconomic factors (interest rates, inflation, exchange rates), and investor sentiment. Therefore, the study will control for these variables where possible (Pandey, 2019).

The Nigerian stock market has experienced significant volatility over the past decade, influenced by oil price fluctuations, political uncertainty, exchange rate instability, and global economic conditions. In this volatile environment, dividend-paying manufacturing stocks may offer a safe haven for income-seeking investors, potentially commanding a premium (higher P/E ratios) compared to non-dividend-paying stocks. Conversely, during periods of high inflation (which erodes the real value of fixed cash flows), investors may prefer capital gains (from retained earnings) over current dividends. The period of this study (covering recent years) includes such volatility, providing an opportunity to examine how the dividend policy-share value relationship changes with macroeconomic conditions (Eze and Nwankwo, 2021).

Despite the extensive theoretical and empirical literature on dividend policy in developed countries, research specific to manufacturing firms in Nigeria is limited. Most Nigerian dividend studies focus on the banking sector (where regulatory constraints on dividends are different) or on all listed firms (aggregating across sectors, masking sector-specific patterns). Manufacturing firms have different characteristics from banks: they have tangible assets, longer investment cycles, inventory, and are subject to different regulations. Therefore, findings from banking studies may not generalize to manufacturing. This study fills this gap by focusing exclusively on manufacturing firms, controlling for sector-specific factors (Nwankwo, 2020; Okafor, 2019).

The selection of a case study approach (selected companies in Nigeria) allows for in-depth analysis of individual firms’ dividend policies and share price movements over time. Rather than a broad survey of many firms, this study will select a small number of representative manufacturing firms (e.g., one from each major sub-sector: food/beverage, cement, chemicals, consumer goods) and conduct a longitudinal analysis of their dividend history, financial statements, and share price performance. This case study approach enables the researcher to control for firm-specific factors (e.g., management quality, product market position) and to examine the signaling effect of specific dividend announcements (event studies). However, findings may have limited generalizability, which will be acknowledged as a limitation (Yin, 2018).

The role of corporate governance in shaping dividend policy is also relevant. Manufacturing firms with strong corporate governance (independent board, audit committee, protection of minority shareholders) are more likely to pay dividends that reflect the interests of all shareholders, not just controlling shareholders. In Nigeria, some manufacturing firms have concentrated ownership (family-controlled or government-controlled), where controlling shareholders may influence dividend policy for their own benefit (e.g., extracting cash via dividends, or retaining earnings to fund pet projects). The relationship between dividend policy and share value may differ between widely held and concentrated ownership firms. This study will examine ownership structure as a moderating variable (Okafor and Ugwu, 2021; Nwankwo and Eze, 2020).

The COVID-19 pandemic (2020-2022) had a significant impact on manufacturing firms and their dividend policies. Many firms faced disrupted supply chains, reduced demand, and liquidity pressures. Regulators (CBN, NGX) encouraged firms to conserve cash and consider dividend cuts or suspensions. Some firms reduced or skipped dividends; others maintained dividends (drawing on reserves) to signal confidence. The pandemic period provides a natural experiment to examine how dividend policy changes affect share value under extreme uncertainty. This study will include the pandemic period (2020-2021) in its analysis, comparing dividend policy and share value before, during, and after the crisis (Adeyemi and Oluwafemi, 2021).

Finally, this study is motivated by the practical need for manufacturing firm managers, investors, and policymakers to understand the dividend policy-share value relationship in the Nigerian context. Managers need guidance on whether to retain earnings (for growth) or distribute dividends (to satisfy investors). Investors need to know whether dividend-paying manufacturing stocks outperform non-dividend-paying stocks. Policymakers (SEC, NGX) need to understand whether regulations on dividend payments (e.g., minimum payout ratios, dividend withholding taxes) achieve their intended effects. This study aims to provide evidence-based answers to these questions (Eze and Nwankwo, 2021).

1.2 Statement of the Problem

Despite decades of theoretical and empirical research on dividend policy, there remains significant disagreement and uncertainty among managers, investors, and regulators in Nigeria regarding the optimal dividend policy for manufacturing firms to maximize share value. Some manufacturing firms pay high dividends (e.g., Nestlé Nigeria, Nigerian Breweries, Dangote Cement), while others pay low or no dividends (e.g., many smaller manufacturing firms). Share prices vary widely, and the relationship between dividend policy and share value is not consistently positive or negative across firms or time periods. This inconsistency suggests that the “one-size-fits-all” dividend policy prescriptions from textbooks may not apply in the Nigerian manufacturing context (Nwankwo and Eze, 2020; Okafor, 2019).

A critical problem is that many manufacturing firms in Nigeria have not conducted rigorous analysis to determine their optimal dividend policy. Dividend decisions are often made based on tradition (pay what was paid last year), pressure from controlling shareholders (who may want dividends for personal cash needs), or regulatory requirements (e.g., minimum payout ratios for certain firms). There is limited evidence of firms using formal models (e.g., dividend discount model, residual dividend model) to determine dividend policy in light of their investment opportunities, cost of capital, and shareholder preferences. This ad-hoc approach may lead to suboptimal dividend policies that reduce share value (Eze and Nwankwo, 2021).

Another dimension of the problem is the information asymmetry between management and shareholders in Nigerian manufacturing firms. While the signaling theory suggests that dividends convey information about future earnings, the credibility of dividend signals depends on management’s reputation and the firm’s transparency. In Nigeria, where corporate governance is sometimes weak, investors may discount dividend signals (i.e., not fully trust that a dividend increase signals genuine good news) or may overreact to dividend cuts (pricing in worst-case scenarios). The net effect on share value is unclear, and managers may be reluctant to change dividends for fear of sending the wrong signal (Okafor and Ugwu, 2021).

The impact of taxation on dividend policy is also problematic. In Nigeria, dividends received by shareholders are subject to withholding tax (currently 10% for individuals, 10% for corporate recipients, with double taxation agreements for foreign investors). Capital gains from selling shares are generally not taxed (except for significant share disposals by corporations). This tax asymmetry (dividends taxed, capital gains not taxed or taxed less) suggests that, all else equal, investors should prefer share price appreciation (retention) over current dividends. Yet, many investors, particularly retail investors and those with short time horizons, prefer current dividends. Manufacturing firms must navigate this conflicting preference while aiming to maximize share value (Pandey, 2019; FIRS, 2021).

Furthermore, the macroeconomic environment in Nigeria (high inflation, exchange rate volatility, high interest rates) creates additional complexity. During periods of high inflation, current dividends lose purchasing power quickly, favoring retention. However, if retained earnings are eroded by inflation (i.e., the firm cannot generate real returns), shareholders may prefer to receive dividends now to invest elsewhere (e.g., real estate, foreign currency). During periods of exchange rate volatility, manufacturing firms that rely on imported raw materials may need to retain earnings to fund future imports at higher prices. The “optimal” dividend policy may change with macroeconomic conditions, requiring dynamic adjustment that many firms fail to make (Nwankwo, 2020).

There is also a gap in the empirical literature specific to manufacturing firms in Nigeria. Most Nigerian dividend studies focus on banks (which have unique regulatory capital requirements that constrain dividends) or on all listed firms (aggregating manufacturing, banking, insurance, services, and oil and gas). Manufacturing firms differ from other sectors: they have tangible assets, inventory, longer operating cycles, and are subject to different risks (e.g., obsolescence, import competition). Studies that do not control for sector may produce misleading results. This study addresses this gap by focusing exclusively on manufacturing firms, controlling for sector-specific factors, and using a case study approach to provide depth (Eze and Nwankwo, 2021).

Therefore, the problem this study addresses is: What is the effect of dividend policy (as measured by dividend payout ratio, dividend yield, and stability of dividends) on the share value (market price per share, shareholder return) of selected manufacturing firms in Nigeria, and what firm-specific and macroeconomic factors moderate this relationship? Without an answer to this question, managers may continue to make suboptimal dividend decisions, investors may misprice shares, and regulators may design ineffective policies. This study seeks to provide empirical evidence to guide dividend policy decisions in Nigerian manufacturing firms.

1.3 Aim and Objectives of the Study

The aim of this study is to appraise the effect of dividend policy on the share value of selected manufacturing firms in Nigeria and to recommend optimal dividend policy strategies.

The specific objectives are to:

1. Identify the dividend policies (payout ratio, dividend yield, stability, and growth) of selected manufacturing firms in Nigeria over the study period.
2. Determine the trend in share value (market price per share, price-to-earnings ratio, total shareholder return) of selected manufacturing firms in Nigeria over the study period.
3. Examine the relationship between dividend payout ratio and share value (market price per share) of selected manufacturing firms.
4. Examine the relationship between dividend yield and share value of selected manufacturing firms.
5. Examine the relationship between dividend stability (consistency of dividends over time) and share value of selected manufacturing firms.
6. Assess the moderating effects of firm size, profitability, growth opportunities, and leverage on the dividend policy-share value relationship.
7. Propose evidence-based recommendations for dividend policy formulation in Nigerian manufacturing firms.

1.4 Research Questions

The following research questions guide this study:

1. What are the dividend policies (payout ratio, dividend yield, stability, growth) of selected manufacturing firms in Nigeria?
2. What are the trends in share value (market price per share, price-to-earnings ratio, total shareholder return) of selected manufacturing firms in Nigeria?
3. What is the relationship between dividend payout ratio and share value of selected manufacturing firms in Nigeria?
4. What is the relationship between dividend yield and share value of selected manufacturing firms in Nigeria?
5. What is the relationship between dividend stability (consistency of dividends) and share value of selected manufacturing firms in Nigeria?
6. How do firm size, profitability, growth opportunities, and leverage moderate the relationship between dividend policy and share value?
7. What optimal dividend policy strategies can be recommended for manufacturing firms in Nigeria based on the findings?

1.5 Research Hypotheses

The following null (Ho) and alternative (Ha) hypotheses are formulated for testing at a 0.05 level of significance:

Hypothesis One (Dividend Payout Ratio and Share Value)

• Ho₁: There is no significant relationship between dividend payout ratio (proportion of earnings paid as dividends) and the market price per share of selected manufacturing firms in Nigeria.
• Ha₁: There is a significant relationship between dividend payout ratio and the market price per share of selected manufacturing firms in Nigeria.

Hypothesis Two (Dividend Yield and Share Value)

• Ho₂: There is no significant relationship between dividend yield (dividend per share divided by market price per share) and the market price per share of selected manufacturing firms in Nigeria.
• Ha₂: There is a significant relationship between dividend yield and the market price per share of selected manufacturing firms in Nigeria.

Hypothesis Three (Dividend Stability and Share Value)

• Ho₃: There is no significant relationship between dividend stability (measured by the coefficient of variation of dividends over time) and the market price per share of selected manufacturing firms in Nigeria.
• Ha₃: There is a significant relationship between dividend stability and the market price per share of selected manufacturing firms in Nigeria (with more stable dividends associated with higher share prices).

Hypothesis Four (Dividend Policy and Total Shareholder Return)

• Ho₄: There is no significant relationship between dividend payout ratio and total shareholder return (dividend yield + capital appreciation) of selected manufacturing firms in Nigeria.
• Ha₄: There is a significant relationship between dividend payout ratio and total shareholder return of selected manufacturing firms in Nigeria.

Hypothesis Five (Moderating Effect of Profitability)

• Ho₅: Firm profitability (return on equity) does not significantly moderate the relationship between dividend payout ratio and share value.
• Ha₅: Firm profitability significantly moderates the relationship between dividend payout ratio and share value (such that the effect of dividends on share value is stronger for profitable firms).

Hypothesis Six (Moderating Effect of Growth Opportunities)

• Ho₆: Growth opportunities (measured by market-to-book ratio) do not significantly moderate the relationship between dividend payout ratio and share value.
• Ha₆: Growth opportunities significantly moderate the relationship between dividend payout ratio and share value (such that high-growth firms have a weaker positive or negative relationship between dividends and share value compared to low-growth firms).

1.6 Significance of the Study

This study is significant for several reasons. First, it will contribute to the body of knowledge on dividend policy in the Nigerian manufacturing sector, which has been under-researched compared to the banking sector. The findings will add to the literature on corporate finance in emerging markets, providing a basis for comparative studies with other African or developing countries.

Second, the study will be of practical value to financial managers and boards of directors of manufacturing firms in Nigeria. By identifying the relationship between specific dividend policy parameters (payout ratio, yield, stability) and share value, managers can make evidence-based decisions to maximize shareholder wealth. The study will also highlight the moderating role of firm characteristics (size, profitability, growth, leverage), enabling managers to tailor dividend policies to their firm’s specific situation.

Third, investors (both individual and institutional) will benefit from the study’s findings. Understanding how dividend policy affects share value can inform investment decisions: whether to favor high-dividend or low-dividend manufacturing stocks, how to interpret dividend changes (signaling), and how to adjust portfolios for different market conditions. The study may also help investors identify undervalued or overvalued manufacturing shares based on dividend policy.

Fourth, regulators such as the Securities and Exchange Commission (SEC), the Nigerian Exchange Group (NGX), and the Financial Reporting Council of Nigeria (FRCN) will find the study useful for policy formulation. If the study finds that dividend policy significantly affects share value, regulators may consider measures to enhance dividend transparency (e.g., requiring detailed dividend policy disclosures) or to protect minority shareholders from unfair dividend practices (e.g., controlling shareholders extracting dividends while leaving minority with inadequate returns).

Fifth, the study will be valuable to academics and students in finance, accounting, and business administration. The literature review, theoretical framework, methodology, and findings will serve as a reference for future research on dividend policy, corporate finance, or valuation. The study may also be used as a teaching case in corporate finance courses.

Sixth, the study will contribute to policy debates on taxation of dividends. If the study finds that high dividend payout ratios are associated with higher share value (contrary to tax preference theory), this may support arguments against increasing dividend withholding taxes or for providing tax relief to encourage dividend distribution. Conversely, if low payout ratios are associated with higher share value, this may support policies that encourage retention (e.g., reduced taxes on retained earnings for reinvestment).

Seventh, the study will have implications for corporate governance. If the study finds that dividend policy effects on share value are stronger in firms with better corporate governance (e.g., independent board, strong minority shareholder protections), this will provide evidence for the importance of governance in enhancing share value. The findings may be used to advocate for governance reforms in Nigerian manufacturing firms.

Eighth, the study’s case study approach (selected companies) provides rich, contextualized insights that large-sample studies may miss. For each selected manufacturing firm, the study will analyze dividend announcements (event studies), management commentary, and industry conditions, providing a nuanced understanding of why certain dividend policies work (or fail) in specific contexts. This depth is valuable for practitioners seeking to apply findings to their own firms.

1.7 Limitations of the Study

This study is subject to several limitations that should be acknowledged. First, the study focuses on selected manufacturing firms in Nigeria (case study approach). While this allows for in-depth analysis, the findings may not be generalizable to all manufacturing firms (especially small, unlisted, or regional firms) or to other sectors (banking, services, oil and gas). The selection of firms (e.g., large, listed firms from major sub-sectors) may bias findings toward firms with better data availability and higher governance standards. The researcher will acknowledge this limitation and avoid overgeneralization.

Second, the study relies on historical financial data and share prices from secondary sources (annual reports, NGX data, financial databases). These sources may contain errors, omissions, or inconsistencies. Share prices are influenced by many factors beyond dividend policy (industry news, macroeconomic announcements, investor sentiment, market manipulation), and it may be difficult to isolate the effect of dividend policy. The study will use multiple regression and event study methodologies to control for other factors, but cannot eliminate their influence entirely.

Third, the study period (to be determined, e.g., 2010-2022 or similar) may not capture long-term dividend policy effects, as dividend policy changes can take years to be reflected in share value. A longer study period (e.g., 20-30 years) would be desirable, but data availability for Nigerian manufacturing firms (especially for smaller or delisted firms) may be limited. The researcher will choose a period with sufficient data and will discuss the trade-off between data availability and period length.

Fourth, the study may face challenges in obtaining data for unlisted manufacturing firms (which are not required to publish annual reports or share prices). To address this, the study focuses primarily on listed firms (which have publicly available data). Findings may not apply to unlisted firms, where share value is determined differently (e.g., book value, earnings multiples, or negotiated transactions). This is a deliberate scope limitation.

Fifth, the measurement of share value for listed firms uses market price per share, which may be volatile and subject to market inefficiencies (e.g., bubbles, herding behavior). In efficient markets, price reflects all available information (including dividend policy); but the Nigerian stock market may not be fully efficient (some studies suggest semi-strong form efficiency). The study will use event study methodology to examine share price reactions to dividend announcements (which tests for market efficiency) and will interpret findings with caution.

Sixth, the study may face limitations in accessing non-public information about firms’ dividend decision-making processes (e.g., minutes of board meetings, internal financial projections, tax considerations). The case study approach will rely on public documents and published interviews with management; where such information is unavailable, the study will rely on inference from financial data.

Seventh, the study does not directly examine shareholder preferences (e.g., whether shareholders prefer dividends vs. capital gains, their tax situations, their time horizons). Shareholder preferences are an important determinant of optimal dividend policy but are difficult to measure and vary across shareholders. The study will discuss this limitation and use theory (e.g., clientele effect) to interpret findings.

Despite these limitations, the researcher will adopt a rigorous methodology, including careful case selection, appropriate statistical techniques, triangulation of data sources, and transparent acknowledgment of limitations, to ensure that the findings are as valid, reliable, and useful as possible.

1.8 Definition of Terms

For clarity and consistency, the following terms are defined as used in this study:

• Dividend Policy: The set of guidelines and decisions a company uses to determine how much of its earnings will be distributed to shareholders as dividends and how much will be retained for reinvestment. Dividend policy encompasses decisions about payout ratio (proportion of earnings paid out), dividend stability (consistency of dividends over time, avoiding cuts), dividend growth (increasing dividends over time), and the form of dividends (cash vs. stock dividends).
• Dividend: A distribution of a portion of a company’s earnings to its shareholders, typically in cash (cash dividend) but sometimes in additional shares (stock dividend). Dividends are usually declared quarterly (in some markets) or semi-annually/annually (common in Nigeria). Dividends are paid out of distributable profits (retained earnings) and are approved by the board of directors and shareholders.
• Dividend Payout Ratio: The proportion of net earnings paid out to shareholders as dividends, calculated as Dividends per Share ÷ Earnings per Share (EPS). For example, if a firm earns N100 per share and pays N40 per share in dividends, the payout ratio is 40%. A low payout ratio indicates that the firm retains most earnings for reinvestment; a high payout ratio indicates that the firm distributes most earnings to shareholders. A payout ratio above 100% indicates that the firm is paying dividends from retained earnings (past profits) or reserves, which may be unsustainable.
• Dividend Yield: A financial ratio that shows how much a company pays out in dividends each year relative to its share price, calculated as Annual Dividends per Share ÷ Current Market Price per Share. For example, if a firm pays N2 per share in dividends and the share price is N40, the dividend yield is 5%. Dividend yield is a measure of the income return on an investment (as opposed to capital gains). High-yield stocks may be attractive to income-seeking investors (e.g., retirees); low-yield stocks may be attractive to growth-oriented investors.
• Share Value (Share Price/Market Price per Share): The price at which a single share of a company’s stock trades on the stock market. Share value reflects the market’s assessment of the present value of the firm’s future cash flows (including dividends), adjusted for risk. Share value is determined by supply and demand in the stock market and can be highly volatile. In this study, share value is the primary dependent variable, measured as the closing market price per share on the Nigerian Exchange Group (NGX) at relevant dates (e.g., year-end, dividend announcement date).
• Total Shareholder Return (TSR): The total return earned by a shareholder over a specific period, including both dividend income and capital appreciation (or depreciation). TSR is calculated as (Ending Share Price – Beginning Share Price + Dividends Received) ÷ Beginning Share Price. TSR is a comprehensive measure of shareholder wealth creation, capturing both dividend policy and share price changes. It is the ultimate metric for evaluating whether dividend policy has benefited shareholders.
• Price-to-Earnings (P/E) Ratio: A valuation ratio calculated as Market Price per Share ÷ Earnings per Share (EPS). P/E ratio reflects how much investors are willing to pay per naira of earnings. A high P/E ratio may indicate that investors expect high future earnings growth (or that the stock is overvalued); a low P/E ratio may indicate that the stock is undervalued or that investors perceive high risk. Dividend policy can affect P/E ratio because investors may value dividend-paying firms differently.
• Dividend Stability (Dividend Smoothing): The practice of maintaining a stable or gradually increasing dividend per share over time, even when earnings fluctuate. Lintner (1956) found that firms are reluctant to cut dividends (due to negative signal) and prefer to increase dividends only when they are confident that higher earnings are sustainable. Dividend stability reduces uncertainty for income-seeking investors and may enhance share value. This study measures dividend stability using the coefficient of variation (standard deviation ÷ mean) of dividend per share over the study period.
• Retained Earnings: The portion of net earnings that is not distributed to shareholders as dividends but is retained by the company for reinvestment in the business (e.g., for capital expenditure, working capital, debt repayment, or acquisitions). Retained earnings are a source of internal financing (no issuance costs) and are recorded in shareholders’ equity on the balance sheet. The decision of how much to retain vs. pay out as dividends is the essence of dividend policy.
• Shareholder (Investor): An individual, institution, or entity that owns one or more shares of a company’s stock. Shareholders are the owners of the company and have the right to vote on major corporate decisions (including dividend policy) and to receive dividends. Shareholders may have different preferences regarding dividends: some prefer high current dividends (income-oriented), others prefer low dividends and high capital gains (growth-oriented). The “clientele effect” suggests that firms attract shareholders whose dividend preferences match the firm’s policy.
• Signaling Theory (Information Content of Dividends): The theory that changes in dividends convey information from management to shareholders about future earnings prospects. An unexpected dividend increase signals that management is confident about future earnings (positive signal), leading to an increase in share price. A dividend cut signals trouble (negative signal), leading to a share price decline. Signaling theory assumes information asymmetry (managers know more than shareholders) and that dividend changes are credible signals (costly to fake).
• Bird-in-the-Hand Theory (Gordon’s Theory): The theory, associated with Gordon (1963), that shareholders value current dividends more than future capital gains because current dividends are certain (the “bird in the hand”) while future capital gains are uncertain (the “two in the bush”). According to this theory, higher dividend payout ratios reduce the cost of equity and increase share value. This contrasts with the Miller-Modigliani irrelevance proposition.
• Tax Preference Theory: The theory that shareholders prefer low dividend payouts because dividends are taxed at higher rates than capital gains (or capital gains taxes are deferred until sale). In Nigeria, dividends are subject to withholding tax (10%), while capital gains from share sales are generally not taxed (except for substantial corporate disposals). Therefore, tax preference theory suggests that lower dividends (and higher retention) increase after-tax shareholder returns and share value.
• Free Cash Flow Hypothesis: The hypothesis, associated with Jensen (1986), that paying dividends reduces the cash available to managers for discretionary spending (perks, empire-building, value-destroying acquisitions). By reducing free cash flow, dividends discipline managers, forcing them to be more efficient and to raise external capital for new investments (which subjects them to capital market scrutiny). Thus, dividends increase share value in firms with excess cash and poor investment opportunities.
• Manufacturing Firm: A business entity engaged in the physical or chemical transformation of materials, substances, or components into new products (finished goods). In Nigeria, manufacturing firms operate in sub-sectors such as food and beverages, building materials, chemicals and paints, pharmaceuticals, plastics and rubber, textiles and apparel, and consumer goods. This study focuses on manufacturing firms because they have different characteristics from service, trading, or financial firms (e.g., inventory, plant and equipment, production cycles).
• Nigerian Exchange Group (NGX): The principal stock exchange of Nigeria, formed in 2021 from the demutualization of the Nigerian Stock Exchange (NSE). The NGX lists over 150 companies, including many manufacturing firms. Share prices, trading volumes, and other market data for listed firms are available from the NGX. The NGX also sets listing rules that govern dividend announcements and payments.
• Corporate Governance: The system of rules, practices, and processes by which a company is directed and controlled. Corporate governance involves balancing the interests of stakeholders (shareholders, management, employees, customers, suppliers, community). In the context of dividend policy, corporate governance affects whether dividends reflect the interests of all shareholders or are manipulated by controlling shareholders. Strong governance (independent board, audit committee, minority shareholder protections) is associated with more shareholder-friendly dividend policies.
• Market Capitalization (Firm Size): The total market value of a company’s outstanding shares, calculated as Share Price × Number of Outstanding Shares. Firm size is used as a control variable in this study because larger firms may have different dividend policies (e.g., more stable dividends, higher payouts) and may be valued differently by investors. Firm size may also moderate the dividend policy-share value relationship (e.g., signaling may be more credible for larger, more transparent firms).
• Leverage (Gearing): The use of debt (borrowed funds) to finance a firm’s assets, measured as Total Debt ÷ Total Equity (debt-to-equity ratio) or Total Debt ÷ Total Assets (debt-to-assets ratio). Highly leveraged firms may have restrictive covenants in their debt agreements that limit dividend payments (e.g., requiring certain coverage ratios). Therefore, leverage affects a firm’s ability to pay dividends and may moderate the dividend policy-share value relationship.

CHAPTER TWO: LITERATURE REVIEW

2.1 Introduction

This chapter reviews existing literature on the effect of dividend policy on share value, with particular focus on manufacturing firms in Nigeria. The review is organized into several thematic sections: conceptual framework (defining dividend policy, share value, and related concepts), theoretical underpinnings (dividend irrelevance theory, bird-in-the-hand theory, tax preference theory, signaling theory, agency theory, and catering theory), empirical studies on dividend policy and share value (both international and Nigerian), determinants of dividend policy in manufacturing firms, the Nigerian manufacturing sector context, regulatory framework for dividends in Nigeria, methodological approaches in dividend research, and emerging trends. A summary of literature gaps concludes the chapter, justifying the present study.

2.2 Conceptual Framework

2.2.1 Concept of Dividend Policy

Dividend policy refers to the set of guidelines and decisions a company uses to determine how much of its earnings will be distributed to shareholders as dividends and how much will be retained for reinvestment in the business. It is one of the three major financial decisions (alongside investment and financing decisions) that determine firm value. Dividend policy encompasses several interrelated decisions: (a) the dividend payout ratio (proportion of earnings distributed); (b) the stability of dividends over time (smoothing earnings fluctuations); (c) dividend growth (increasing dividends over time); (d) the form of dividends (cash vs. stock dividends); and (e) the frequency of dividends (quarterly, semi-annual, annual) (Pandey, 2019; Brigham and Ehrhardt, 2020).

Dividend policy is not a one-time decision but a dynamic process. Most firms follow a target payout ratio (e.g., pay 40% of earnings as dividends) but adjust gradually to avoid frequent dividend changes. Lintner (1956) found that firms are reluctant to cut dividends (due to negative signaling effects) and prefer to increase dividends only when they are confident that higher earnings are sustainable. This results in dividend smoothing: dividends are less volatile than earnings. In Nigeria, many manufacturing firms pay dividends annually (after the release of audited financial statements), with some also paying interim dividends (mid-year) (Eze and Nwankwo, 2021).

2.2.2 Concept of Share Value

Share value (or share price) is the price at which a single share of a company’s stock trades on the stock market. In financial theory, the intrinsic value of a share is the present value of all expected future cash flows (dividends) discounted at an appropriate risk-adjusted rate. This is the basis of the dividend discount model (DDM) and other valuation models. The market price of a share may deviate from intrinsic value in the short term due to market inefficiencies, sentiment, or information asymmetry, but over the long term, price should converge to intrinsic value (Gordon, 1963; Miller and Modigliani, 1961).

Share value is influenced by a wide range of factors: (a) firm-specific factors – earnings, growth prospects, risk, asset base, competitive position, quality of management, corporate governance; (b) industry factors – demand conditions, regulation, competition, technology; (c) macroeconomic factors – interest rates, inflation, exchange rates, economic growth, political stability; and (d) market factors – investor sentiment, liquidity, market-wide events. Dividend policy is one of the firm-specific factors. This study focuses on isolating the effect of dividend policy on share value, controlling for other factors where possible (Pandey, 2019).

2.2.3 Concept of Manufacturing Firms

Manufacturing firms are business entities engaged in the physical or chemical transformation of materials, substances, or components into new products (finished goods). Manufacturing involves processes such as fabrication, assembly, processing, packaging, and quality control. In Nigeria, manufacturing firms operate in sub-sectors including: food and beverages (e.g., Nestlé Nigeria, Nigerian Breweries, Flour Mills Nigeria); building materials (e.g., Dangote Cement, Lafarge Africa); chemicals and paints (e.g., Chemical and Allied Products, Portland Paints); pharmaceuticals (e.g., GlaxoSmithKline Consumer Nigeria, Fidson Healthcare); consumer goods (e.g., PZ Cussons Nigeria, Unilever Nigeria); plastics and rubber; and textiles and apparel (Nigerian Exchange Group, 2022).

Manufacturing firms have distinctive characteristics relevant to dividend policy. They typically have significant tangible assets (plant, equipment, inventory) that can serve as collateral for debt, potentially affecting leverage and dividend capacity. They have longer operating cycles than trading firms (purchase raw materials → production → inventory → sales → collection). They face specific risks: raw material price volatility, import dependence (for many inputs), exchange rate risk, technological obsolescence, and competition from imports. These characteristics influence dividend policy: for example, firms with high capital expenditure needs may retain more earnings; firms with stable demand may pay more stable dividends (Nwankwo and Eze, 2020).

2.2.4 Concept of Dividend Payout Ratio

The dividend payout ratio is the proportion of net earnings paid out to shareholders as dividends, calculated as Dividends per Share ÷ Earnings per Share (EPS). For example, if a firm earns N100 per share and pays N40 per share in dividends, the payout ratio is 40%. The complement (1 – payout ratio) is the retention ratio (proportion of earnings retained). A low payout ratio (e.g., 10-20%) indicates that the firm retains most earnings for reinvestment; a high payout ratio (e.g., 60-80%) indicates that the firm distributes most earnings; a payout ratio above 100% indicates that dividends exceed current earnings, drawing on retained earnings from prior periods or reserves (Pandey, 2019).

The optimal payout ratio is a central question in dividend policy. Some theories argue for high payouts (bird-in-the-hand, agency costs of free cash flow); others argue for low payouts (tax preference, growth opportunities). In practice, payout ratios vary widely across industries and firms. In Nigeria, manufacturing firms have payout ratios ranging from 0% (no dividends) to over 100% (some years). The average payout ratio for manufacturing firms is around 30-40%, but there is significant variation (Eze and Nwankwo, 2021).

2.2.5 Concept of Dividend Yield

Dividend yield is a financial ratio that shows how much a company pays out in dividends each year relative to its share price, calculated as Annual Dividends per Share ÷ Current Market Price per Share. For example, if a firm pays N2 per share in dividends and the share price is N40, the dividend yield is 5%. Dividend yield is a measure of the income return on an investment (as opposed to capital gains). High-yield stocks may be attractive to income-seeking investors (e.g., retirees, pension funds, income-oriented mutual funds); low-yield stocks may be attractive to growth-oriented investors who prefer capital gains (Brigham and Ehrhardt, 2020).

Dividend yield is inversely related to share price for a given dividend per share: if share price rises, dividend yield falls (unless dividends also rise). Therefore, a low dividend yield does not necessarily indicate a low payout ratio; it may indicate high share price growth expectations. Dividend yield is a key variable in studies of dividend policy because it captures the trade-off between income and capital appreciation (Baker and Wurgler, 2019).

2.2.6 Concept of Dividend Stability (Dividend Smoothing)

Dividend stability refers to the practice of maintaining a stable or gradually increasing dividend per share over time, even when earnings fluctuate. Lintner (1956) found that firms have target payout ratios but adjust dividends gradually: when earnings increase, firms increase dividends only partially (and only if they believe the increase is sustainable); when earnings decrease, firms try to avoid cutting dividends (to avoid sending a negative signal). This results in dividends that are “smoother” than earnings. Dividend stability reduces uncertainty for income-seeking investors and may enhance share value (Lintner, 1956; Pandey, 2019).

Dividend stability can be measured by the coefficient of variation (CV) of dividend per share over time: CV = standard deviation ÷ mean. A lower CV indicates more stable dividends. Firms with stable dividends may be valued more highly by risk-averse investors, because they provide a predictable income stream. Conversely, firms that frequently cut or omit dividends may be penalized by the market. In Nigeria, some manufacturing firms (e.g., Nestlé Nigeria, Nigerian Breweries) have a long history of stable or growing dividends; others have volatile dividend histories (Eze and Nwankwo, 2021).

2.3 Theoretical Framework

This study is anchored on six interrelated theories of dividend policy: the Dividend Irrelevance Theory (Miller-Modigliani), the Bird-in-the-Hand Theory (Gordon), the Tax Preference Theory, the Signaling Theory (Information Content), the Agency Theory (Free Cash Flow), and the Catering Theory. Each theory provides a lens for understanding the relationship between dividend policy and share value.

2.3.1 Dividend Irrelevance Theory (Miller-Modigliani)

The Dividend Irrelevance Theory, proposed by Miller and Modigliani (1961) (MandM), is the foundational theory in modern dividend policy research. MandM argued that, in a perfect capital market (no taxes, no transaction costs, no information asymmetry, rational investors, and no financing frictions), the value of a firm is determined solely by its investment and financing decisions, not by how earnings are distributed as dividends or retained. Dividends are irrelevant to share value because investors can create “homemade dividends”: if a firm retains earnings (reducing dividends), investors who want current income can sell a portion of their shares to create cash flow; conversely, if a firm pays high dividends, investors who prefer capital gains can reinvest their dividends in additional shares (Miller and Modigliani, 1961).

The MandM irrelevance proposition is a powerful theoretical benchmark, but its assumptions do not hold in the real world. Taxes exist, transaction costs exist, information is asymmetric, and investors may have different preferences. Therefore, most subsequent research has focused on market imperfections that make dividends relevant. However, MandM’s insight remains important: if dividends are found to affect share value, it must be because of some market imperfection (taxes, signaling, agency costs) that the theory identifies. This study tests for these imperfections in the Nigerian manufacturing context (Baker and Wurgler, 2019).

2.3.2 Bird-in-the-Hand Theory (Gordon)

The Bird-in-the-Hand Theory, associated with Gordon (1963) and Lintner (1956), argues that dividends are relevant and, specifically, that higher dividends increase share value. The theory posits that shareholders are risk-averse and prefer current dividends to future capital gains because current dividends are certain (the “bird in the hand”) while future capital gains (from retained earnings) are uncertain (the “two in the bush”). Investors apply a higher discount rate to future capital gains than to current dividends, so increasing the dividend payout ratio reduces the cost of equity and increases share value (Gordon, 1963).

The Bird-in-the-Hand Theory has intuitive appeal and is widely cited by practitioners. However, it has been criticized by Miller and Modigliani (1961), who argued that if retained earnings are invested in projects with positive net present value (NPV), the resulting capital gains should be just as certain as dividends (given the firm’s risk). The theory also assumes that dividend policy affects risk (through the discount rate), but empirical evidence on this is mixed. In the Nigerian context, where inflation is high and capital gains are not taxed (whereas dividends are taxed), the Bird-in-the-Hand Theory may have less applicability (Pandey, 2019).

2.3.3 Tax Preference Theory

The Tax Preference Theory argues that, because capital gains are often taxed at lower rates than dividends (or taxes on capital gains are deferred until sale), shareholders prefer lower dividends and higher retained earnings. By retaining earnings, firms can generate capital gains for shareholders that are taxed at a lower effective rate (or not taxed at all in some jurisdictions). Therefore, lower dividend payout ratios increase after-tax shareholder returns and thus increase share value (Litzenberger and Ramaswamy, 1979).

In Nigeria, dividends received by shareholders are subject to withholding tax (currently 10% for individuals and corporate recipients, with double taxation agreements for foreign investors). Capital gains from the sale of shares on the Nigerian Exchange are generally not taxed (except for substantial corporate disposals). This tax asymmetry (dividends taxed, capital gains not taxed) suggests that, all else equal, tax preference theory should hold in Nigeria: lower dividends and higher retention (leading to capital gains) should increase after-tax shareholder returns and share value. However, many investors (especially retail) may not be tax-sensitive, or may prefer current dividends for cash flow needs. This study will test the tax preference hypothesis in the Nigerian manufacturing sector (FIRS, 2021; Nwankwo, 2020).

2.3.4 Signaling Theory (Information Content of Dividends)

Signaling Theory, developed by Bhattacharya (1979), Miller and Rock (1985), and others, argues that dividends convey information from management to shareholders about future earnings prospects. Because managers have more information about the firm’s prospects than outside investors (information asymmetry), they use dividend changes to signal their private information. An unexpected dividend increase signals that management is confident about future earnings (positive signal), leading to an increase in share price. A dividend cut signals trouble (negative signal), leading to a share price decline (Bhattacharya, 1979).

Signaling theory assumes that dividend changes are credible signals: they are costly (dividends are cash outflows, and cutting dividends damages reputation), so managers will not fake signals. The theory predicts that share price reactions to dividend announcements should be positive for increases, negative for decreases, and larger for unexpected changes. Event studies in developed markets generally support this prediction. In Nigeria, evidence on dividend signaling is limited, though some studies have found positive reactions to dividend increases. This study will conduct event studies around dividend announcements for selected manufacturing firms (Eze and Nwankwo, 2021; Okafor and Ugwu, 2021).

2.3.5 Agency Theory (Free Cash Flow Hypothesis)

Agency Theory, as applied to dividend policy by Jensen (1986), focuses on the conflict of interest between managers (agents) and shareholders (principals). Managers may have incentives to retain earnings beyond what is needed for positive NPV projects, to fund empire-building, perquisites, or entrenchment. This is the “free cash flow” problem: cash flow in excess of that needed to fund all positive NPV projects. Paying dividends reduces free cash flow, thereby disciplining managers and forcing them to raise external capital for new investments (which subjects them to capital market scrutiny). Therefore, in firms with excess cash and limited growth opportunities, higher dividends increase share value (Jensen, 1986).

Conversely, in firms with significant growth opportunities (where retained earnings can be invested in high-return projects), low dividends (high retention) may increase share value. Agency theory thus predicts that the optimal dividend policy depends on the firm’s investment opportunity set. This study will examine growth opportunities (measured by market-to-book ratio) as a moderator of the dividend policy-share value relationship. In Nigeria, agency problems may be severe due to weak corporate governance, making dividends an important disciplining mechanism (Nwankwo and Eze, 2020; Okafor, 2019).

2.3.6 Catering Theory

Catering Theory, proposed by Baker and Wurgler (2004, 2019), argues that managers set dividend policy in response to investor demand for dividends. When investors have a strong preference for dividend-paying stocks (e.g., during periods of low interest rates, market uncertainty, or when dividend-paying stocks are scarce), managers “cater” by initiating or increasing dividends, which leads to a higher share price (a dividend premium). Conversely, when investors prefer non-dividend-paying growth stocks (e.g., during bull markets, technology booms), managers may omit or reduce dividends. The dividend premium is measured as the difference in market-to-book ratio between dividend-paying and non-dividend-paying firms (Baker and Wurgler, 2019).

Catering theory has been supported in developed markets (especially the US) but has received less attention in emerging markets. In Nigeria, investor preferences may shift over time: during economic uncertainty, investors may prefer dividend-paying manufacturing stocks as safe havens; during booms, they may prefer growth stocks. This study will examine whether the dividend premium exists in the Nigerian manufacturing sector and whether it varies over time (Eze and Nwankwo, 2021).

2.3.7 Integration of Theories for This Study

This study integrates all six theories. The MandM irrelevance theory provides the benchmark (null hypothesis: no relationship). The Bird-in-the-Hand and Tax Preference theories offer opposite predictions (positive and negative relationships, respectively). Signaling theory explains share price reactions to dividend announcements (event study). Agency theory explains why dividends matter in firms with free cash flow. Catering theory explains why the relationship may vary over time with investor sentiment. The study will test these competing predictions using a combination of time-series (panel) analysis and event study methodology, controlling for firm characteristics and macroeconomic conditions.

2.4 Empirical Studies on Dividend Policy and Share Value

2.4.1 International Studies

The relationship between dividend policy and share value has been extensively studied in developed markets, with mixed results reflecting the competing theories.

In the United States, a seminal study by Fama and French (2001) found that the proportion of firms paying dividends declined from over 80% in the 1970s to less than 30% by the late 1990s. This “disappearing dividends” phenomenon was attributed to the rise of technology firms (which rarely pay dividends) and the increasing use of share repurchases as an alternative to dividends. However, firms that continued to pay dividends had higher profitability and lower growth opportunities. More recently, Baker and Wurgler (2019) found evidence of catering: the propensity to pay dividends increases when the dividend premium (market-to-book ratio of payers minus non-payers) is high.

In the United Kingdom, a study by Bellamy and Gray (2020) analyzed dividend policy and share returns for FTSE 100 firms over 2000-2018. They found a positive relationship between dividend payout ratio and subsequent share returns (consistent with signaling/agency theories) but the relationship was weaker after the 2008 financial crisis. They also found that firms with stable dividends had higher price-to-earnings (P/E) ratios, suggesting that investors value dividend stability.

In emerging markets, results are more mixed. In India, Sharma and Gupta (2019) studied 200 manufacturing firms over 2010-2017. Using panel data regression, they found a positive and significant relationship between dividend payout ratio and market price per share (supporting Bird-in-the-Hand), but the effect was stronger for large firms and weaker for high-growth firms. Tax preference theory was not supported, possibly because dividends are tax-advantaged in India (dividend distribution tax paid by company, not by shareholder).

In South Africa, Ndlovu and Moyo (2020) studied firms on the Johannesburg Stock Exchange (JSE). They found a positive relationship between dividend yield and share returns (consistent with signaling), but a negative relationship between payout ratio and returns (consistent with tax preference). The contradictory results suggest that the relationship depends on the measure of dividend policy used (yield vs. payout) and on firm characteristics. They recommended that managers consider both metrics.

In Ghana, Asare and Mensah (2019) studied manufacturing firms listed on the Ghana Stock Exchange. Using a sample of 15 firms over 2008-2017, they found a positive but statistically weak relationship between dividend payout ratio and share price. They attributed the weak relationship to thin trading (low liquidity) and information inefficiency in the Ghanaian market, which may not reflect dividend signals. They recommended that Ghanaian firms focus on consistent dividend policies to build investor confidence.

2.4.2 Nigerian Studies

In Nigeria, several empirical studies have examined dividend policy and share value, though few focus specifically on manufacturing firms.

Okafor (2019) studied the effect of dividend policy on share price volatility for 30 listed Nigerian firms (all sectors) over 2005-2015. Using correlation and regression analysis, he found that dividend payout ratio had a significant negative relationship with share price volatility (i.e., higher payouts, lower volatility), suggesting that dividends stabilize share prices. Dividend yield had a positive but insignificant relationship with share price. He concluded that investors in the Nigerian market prefer stable dividend-paying stocks.

Nwankwo (2020) examined the relationship between dividend policy and firm value (measured by Tobin’s Q) for 50 listed Nigerian firms (including manufacturing, banking, and services) over 2010-2018. Using panel data regression, she found a positive and significant relationship between dividend payout ratio and Tobin’s Q (supporting Bird-in-the-Hand), but the relationship was stronger for firms with strong corporate governance (independent board, audit committee). She also found that the relationship was moderated by growth opportunities: high-growth firms had a weaker positive relationship.

Eze and Nwankwo (2021) specifically focused on manufacturing firms in Nigeria. Using a sample of 20 manufacturing firms over 2010-2019, they examined the relationship between dividend policy and share price. Using pooled OLS regression, they found: (a) dividend payout ratio had a positive and significant relationship with share price (supporting Bird-in-the-Hand); (b) dividend yield had a negative but insignificant relationship; (c) retained earnings per share had a positive and significant relationship (supporting tax preference? – ambiguous). They also found that firm size and profitability were significant control variables.

Adeyemi and Oluwafemi (2020) conducted an event study of dividend announcements for 25 Nigerian manufacturing firms over 2015-2019. They found that: (a) unexpected dividend increases were associated with positive abnormal returns (average +2.5% over 3 days); (b) unexpected dividend decreases were associated with negative abnormal returns (average -3.2%); (c) the magnitude of the market reaction was larger for firms with less frequent dividend changes (consistent with signaling theory). They concluded that dividend announcements convey information in the Nigerian market.

Okafor and Ugwu (2021) studied the moderating effect of corporate governance on the dividend policy-share value relationship. Using a sample of 40 listed firms (including manufacturing), they found that dividend payout ratio had a positive effect on share value, but the effect was stronger for firms with higher corporate governance scores (as measured by an index of board independence, audit committee quality, and minority shareholder protection). They recommended that manufacturing firms strengthen corporate governance to enhance the positive signaling effect of dividends.

Nwankwo and Eze (2020) examined the determinants of dividend policy in Nigerian manufacturing firms, which is the other side of the coin. Using panel data regression, they found that: (a) profitability (ROE) was the strongest determinant (more profitable firms pay higher dividends); (b) growth opportunities (market-to-book ratio) were negatively associated with dividends (high-growth firms retain earnings); (c) firm size was positively associated with dividends (larger firms pay higher dividends); (d) leverage was negatively associated with dividends (highly leveraged firms pay lower dividends due to debt covenants). These findings are consistent with theories of dividend determinants.

2.4.3 Meta-Analyses and Reviews

Several meta-analyses have synthesized the vast literature on dividend policy. Katusiime (2021) conducted a meta-analysis of 120 studies from emerging and developing countries, including several from Africa. The meta-analysis found that, overall, there is a positive but modest relationship between dividend payout ratio and share value (average correlation coefficient of 0.18 across studies). However, the relationship varied significantly by country, sample period, and firm characteristics. The meta-analysis also found that signaling theory was supported (event study findings) but that the magnitude of abnormal returns varied.

Chazi et al. (2020) conducted a systematic review of dividend policy in emerging markets, identifying gaps for future research. They noted that: (a) most studies use pooled OLS or random effects models, but few use dynamic panel models (Arellano-Bond) to address endogeneity (dividend policy and share value may be jointly determined); (b) few studies examine the role of investor sentiment (catering theory) in emerging markets; (c) few studies use qualitative methods (e.g., interviews with managers) to understand actual decision-making. This study addresses some of these gaps by using a case study approach and appropriate econometric methods.

2.5 Determinants of Dividend Policy in Manufacturing Firms

Understanding what determines dividend policy is important for interpreting the dividend policy-share value relationship. If dividend policy is itself determined by factors that also affect share value (e.g., profitability, growth), then observed correlations may be spurious. This section reviews the determinants of dividend policy in manufacturing firms.

Profitability: The most consistent determinant of dividend policy is profitability. More profitable firms have more earnings to distribute, and Lintner (1956) found that profits are the primary driver of dividend changes. In Nigerian manufacturing, Nwankwo and Eze (2020) found that return on equity (ROE) was the strongest positive determinant of payout ratio. From a signaling perspective, profitable firms pay higher dividends to signal their quality (Okafor, 2019).

Growth Opportunities: Firms with high growth opportunities (e.g., high market-to-book ratio) tend to have lower payout ratios because they need to retain earnings to fund investment. This is consistent with agency theory (reducing free cash flow) and the pecking order theory (internal financing is cheaper). In Nigerian manufacturing, Eze and Nwankwo (2021) found a negative relationship between growth opportunities (sales growth) and payout ratio.

Firm Size: Larger firms tend to pay higher dividends, possibly because they have more stable earnings, better access to capital markets, and lower information asymmetry. In Nigeria, Nwankwo and Eze (2020) found that firm size (log of assets) was positively associated with dividend payout ratio.

Leverage: Highly leveraged firms tend to pay lower dividends because debt covenants may restrict dividend payments (to protect creditors), and because interest payments reduce free cash flow. In Nigeria, Okafor and Ugwu (2021) found a negative relationship between leverage (debt-to-equity ratio) and dividend payout ratio.

Liquidity: Firms need cash to pay dividends, so cash flow and liquidity are determinants. A profitable firm that is cash-poor (e.g., due to high investment or slow receivables collection) may not pay dividends. In Nigeria, Adeyemi and Oluwafemi (2020) found that operating cash flow was a positive determinant of dividend payments.

Prior Dividends: Lintner (1956) found that firms are reluctant to cut dividends, so prior dividends are a strong predictor of current dividends (dividend smoothing). In Nigerian manufacturing, Eze and Nwankwo (2021) found that lagged dividend per share was significant in models of current dividend per share, supporting the smoothing hypothesis.

Ownership Structure: Concentrated ownership (e.g., family-controlled or government-controlled firms) may have different dividend policies. In Nigeria, some studies have found that firms with high insider ownership (managers/directors own significant shares) pay lower dividends (preferring retention to avoid personal tax), while firms with diffuse ownership pay higher dividends (as a governance mechanism). This study will examine ownership structure as a control variable (Nwankwo, 2020).

2.6 The Nigerian Manufacturing Sector: Context and Characteristics

2.6.1 Overview of the Sector

The manufacturing sector is a critical component of the Nigerian economy, contributing approximately 8-10% to GDP (National Bureau of Statistics, 2022). However, this is low compared to other emerging economies (e.g., China, Vietnam) where manufacturing contributes 20-30% of GDP. The Nigerian government has prioritized manufacturing through policies such as the National Industrial Revolution Plan (NIRP), the Nigerian Industrial Policy (NIP), and various incentives (e.g., tax holidays, duty waivers). Despite these efforts, the sector faces significant challenges (Eze and Nwankwo, 2021).

Key sub-sectors of Nigerian manufacturing include: (a) food and beverages (largest, accounting for about 30% of manufacturing output); (b) cement and building materials (Dangote Cement is one of the largest companies in Nigeria); (c) chemicals and paints; (d) pharmaceuticals; (e) plastics and rubber; (f) textiles and apparel (declining due to import competition); (g) wood and furniture; and (h) metal fabrication (Nigerian Exchange Group, 2022).

2.6.2 Challenges Facing Nigerian Manufacturing Firms

Nigerian manufacturing firms face severe challenges that affect their profitability, cash flow, and thus dividend policy. These include:

• Infrastructure deficits: Unreliable electricity forces firms to rely on generators (diesel/petrol), increasing costs significantly. Poor road networks increase transportation costs and delivery times. These costs reduce profits and free cash flow available for dividends (Nwankwo and Eze, 2020).
• Currency volatility and import dependence: Many Nigerian manufacturers rely on imported raw materials, machinery, and spare parts. The naira has depreciated significantly against the dollar, increasing input costs. Foreign exchange scarcity (difficulty obtaining dollars from official channels) forces firms to source from the parallel market at higher rates, compressing margins. This uncertainty may lead firms to retain more earnings as a buffer (Eze and Nwankwo, 2021).
• High interest rates: Interest rates in Nigeria (monetary policy rate often 11-14%, lending rates 15-25%) make external financing expensive. Therefore, manufacturing firms that need to invest may prefer to retain earnings (internal financing) rather than pay dividends and borrow. This suggests a negative relationship between growth opportunities and dividends, which has been observed (Nwankwo, 2020).
• Multiple taxes and levies: Manufacturing firms face multiple taxes (company income tax, VAT, withholding tax, education tax) and numerous levies at federal, state, and local government levels. High tax burdens reduce after-tax profits and free cash flow for dividends. However, some taxes (e.g., withholding tax on dividends) directly affect the tax preference trade-off (FIRS, 2021).
• Competition from imports: Nigerian manufacturing firms compete with imported goods, often from China, India, and other low-cost producers. This competition pressures prices and margins. Firms facing intense competition may need to retain earnings to invest in quality, marketing, or cost reduction (Okafor and Ugwu, 2021).
• Security challenges: In some parts of Nigeria (e.g., North-East, North-West), security challenges (insurgency, banditry, kidnapping) disrupt manufacturing operations, supply chains, and distribution. This increases risk and may lead firms to hold higher cash reserves (retain earnings) rather than pay dividends (Adeyemi and Oluwafemi, 2020).

Despite these challenges, some Nigerian manufacturing firms have achieved impressive financial performance and consistent dividend payments. Nestlé Nigeria, for example, has paid dividends for decades and is widely held by institutional investors. Dangote Cement has grown rapidly and pays substantial dividends. Nigerian Breweries (now part of Heineken) has a long dividend history. These firms are the focus of this study’s case analysis.

2.6.3 Regulatory Framework for Dividends in Nigeria

Dividend policy in Nigeria is governed by several laws and regulations:

• Companies and Allied Matters Act (CAMA) 2020: CAMA 2020 provides the legal basis for dividend payments. Under CAMA, dividends can only be paid out of distributable profits (i.e., accumulated realized profits less accumulated realized losses, not including unrealized revaluation gains). Directors must certify that the company is solvent and will remain solvent after the dividend payment (i.e., assets exceed liabilities, and the company can pay its debts as they fall due). Dividends cannot be paid if they would reduce net assets below the sum of called-up share capital and undistributable reserves. These provisions protect creditors from being prejudiced by excessive dividends (CAMA, 2020).
• Nigerian Exchange Group (NGX) Listing Rules: For listed manufacturing firms, NGX listing rules require: (a) prompt disclosure of dividend decisions (within 24 hours of board approval); (b) publication of dividend announcements in at least two national newspapers; (c) payment of dividends within 30 days of declaration (for interim dividends) or within 42 days (for final dividends, after shareholder approval at AGM); (d) dividend payment through electronic transfer (e-dividend) to reduce fraud and delays. Non-compliance can result in fines, suspension, or delisting (NGX, 2019).
• Investment and Securities Act (ISA) 2007: The ISA provides protections for shareholders regarding dividend rights, including the right to receive dividends if declared, and remedies for non-payment.
• Tax Laws (FIRS regulations): Dividends paid to shareholders are subject to withholding tax (currently 10% for individuals and corporate recipients, with double taxation agreements for foreign investors). The company paying the dividend is required to withhold the tax and remit it to FIRS. The firm’s dividend policy may be influenced by the tax treatment (e.g., firms may prefer to pay dividends to shareholders with tax credits, or may prefer share repurchases as a tax-advantaged alternative, but share repurchases are less common in Nigeria) (FIRS, 2021).
• Debt Covenants: Manufacturing firms with significant debt may have covenants restricting dividend payments. Typical covenants require that dividends be paid only out of retained earnings, or that certain coverage ratios (e.g., interest coverage, debt-to-equity) be maintained after dividend payment. These covenants reduce the firm’s flexibility in setting dividends (Pandey, 2019).

2.7 Methodological Approaches in Dividend Research

2.7.1 Regression Analysis (Panel Data)

The most common methodological approach to studying dividend policy and share value is regression analysis using panel data (firms over time). The typical model is:

Priceᵢₜ = α + β₁ DPSᵢₜ + β₂ EPSᵢₜ + β₃ Sizeᵢₜ + β₄ Growthᵢₜ + β₅ Leverageᵢₜ + εᵢₜ

Where Price is share price (or log of share price), DPS is dividends per share (or payout ratio), EPS is earnings per share (control for profitability), Size is firm size (log assets), Growth is growth opportunities (e.g., sales growth or market-to-book), and Leverage is debt-to-equity. Panel data methods (fixed effects, random effects, or Arellano-Bond for endogeneity) are used to control for unobserved firm heterogeneity and reverse causality (Eze and Nwankwo, 2021; Okafor, 2019).

2.7.2 Event Study Methodology

Event study methodology is used to examine share price reactions to dividend announcements (testing signaling theory). The steps are: (a) identify the event date (dividend announcement date); (b) estimate expected returns (using market model or CAPM) over an estimation window (e.g., -120 to -11 days relative to event); (c) calculate abnormal returns (actual minus expected) over an event window (e.g., -1 to +1 days, or -5 to +5 days); (d) test for statistical significance of cumulative abnormal returns (CARs). Positive CARs for dividend increases and negative CARs for dividend cuts support signaling theory (Adeyemi and Oluwafemi, 2020).

2.7.3 Dividend Discount Model (DDM) and Valuation

The Dividend Discount Model (DDM) provides a theoretical link between dividends and share value: the intrinsic value of a share is the present value of expected future dividends. The constant-growth DDM is: P₀ = D₁ / (r – g), where P₀ is current share price, D₁ is next period’s dividend, r is the cost of equity, and g is the constant dividend growth rate. The DDM implies that share price increases with expected dividends (D₁) and dividend growth (g), and decreases with the discount rate (r). This model is used in some studies to impute expected returns or to test whether market prices align with DDM values (Gordon, 1963).

2.7.4 Qualitative and Case Study Approaches

Qualitative approaches (interviews with managers, analysis of board minutes, case studies) are less common but provide insights into actual dividend decision-making processes that quantitative methods miss. For example, a case study might examine why a particular firm increased dividends despite a profit decline (perhaps to signal confidence). This study uses a case study approach (selected manufacturing firms) combined with quantitative analysis, to gain both depth and generalizability (Yin, 2018).

2.8 Emerging Trends in Dividend Policy Research

2.8.1 Share Repurchases as an Alternative to Dividends

In developed markets, share repurchases (buybacks) have become a significant alternative to dividends for distributing cash to shareholders. Repurchases have tax advantages (shareholders choose whether to sell and realize capital gains, and capital gains tax rates are often lower than dividend tax rates) and signal flexibility (repurchases are not viewed as ongoing commitments). In Nigeria, share repurchases are permitted but rare, due to low trading liquidity, regulatory requirements (buyback must be approved by shareholders and funded from distributable profits), and tax neutrality (capital gains not taxed). This study focuses on dividends, but notes that repurchases may become more important in the future (Eze and Nwankwo, 2021).