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CHAPTER ONE
1.0 CAUSES AND EFFECTS OF TAX EVASION AND AVOIDANCE ON THE ECONOMY
(A CASE STUDY OF BOARD OF INTERNAL REVENUE IN ABIA STATE)
1.1 Background of Study
Taxation is one of the major sources of revenue for government, used to finance public expenditure such as infrastructure, education, healthcare, and security. However, the effectiveness of tax systems is often undermined by tax evasion and tax avoidance, which reduce government revenue and negatively affect economic development. (Appah and Oyandonghan, 2011; Ojo, 2008).
Tax evasion refers to illegal methods used by individuals or organizations to avoid paying taxes, while tax avoidance involves legal means of minimizing tax liability. Both practices have significant implications for economic stability and government revenue generation. (Ola, 2001; James and Nobes, 2015).
In Nigeria, institutions such as the Board of Internal Revenue in Abia State are responsible for tax administration and enforcement. However, challenges such as weak enforcement, corruption, and lack of taxpayer awareness contribute to widespread tax non-compliance. (CBN, 2020; FIRS Report, 2022).
Taxation has been an essential component of governance and economic development since ancient times. Governments impose taxes on individuals and businesses to generate revenue required for public services and national development. (Musgrave and Musgrave, 2004).
In developing economies like Nigeria, taxation plays a crucial role in reducing dependence on oil revenue and diversifying the economy. However, tax evasion and avoidance continue to weaken the effectiveness of the tax system. (Ojo, 2008).
Tax evasion is often driven by factors such as high tax rates, weak enforcement, corruption, and lack of trust in government. Tax avoidance, although legal, also reduces the expected revenue available for economic development. (Appah and Oyandonghan, 2011).
The Board of Internal Revenue in Abia State is responsible for assessing, collecting, and accounting for taxes. Despite its efforts, tax compliance remains low due to inadequate administrative capacity and poor taxpayer education. (CBN, 2020).
1.2 Statement of Problems
Tax evasion and avoidance pose serious challenges to revenue generation in Nigeria. These practices reduce the amount of revenue available for government expenditure on development projects such as roads, schools, and hospitals. (FIRS Report, 2022).
One major problem is the widespread non-compliance by taxpayers who deliberately underreport income or conceal financial information to reduce tax liability. (James and Nobes, 2015).
Another issue is the inefficiency of tax administration systems, including poor monitoring, inadequate enforcement mechanisms, and corruption among tax officials. (Ola, 2001).
Furthermore, lack of taxpayer education and awareness contributes to tax evasion as many individuals and businesses are not fully aware of their tax obligations. (Appah and Oyandonghan, 2011).
These challenges have negative effects on economic development, prompting the need for this study.
1.3 Aim and Objectives of the Research
The aim of this study is to examine the causes and effects of tax evasion and avoidance on the economy.
Objectives include:
- To identify the causes of tax evasion and avoidance.
- To examine the effects of tax evasion on government revenue.
- To assess the impact of tax avoidance on economic development.
- To evaluate the role of the Board of Internal Revenue in tax administration.
- To suggest measures for improving tax compliance.
1.4 Research Questions
- What are the causes of tax evasion and avoidance?
- How does tax evasion affect government revenue?
- What is the impact of tax avoidance on economic development?
- How effective is the Board of Internal Revenue in tax collection?
- What measures can improve tax compliance in Abia State?
1.5 Significance of the Study
This study is significant to government as it highlights the causes of revenue leakages and suggests ways to improve tax collection efficiency.
It will help tax authorities such as the Board of Internal Revenue to develop better strategies for tax enforcement and compliance improvement.
The study will also benefit policymakers in designing effective tax policies that promote economic growth and development.
Researchers and students will find the study useful as a reference material for future academic research in taxation and public finance.
Finally, taxpayers will benefit by understanding the importance of tax compliance and its impact on national development.
1.6 Scope of the Study
This study focuses on tax evasion and avoidance and their effects on the economy, using the Board of Internal Revenue in Abia State as a case study.
It covers individual and corporate taxpayers, tax administration processes, and revenue generation challenges within the state.
1.7 Limitation of the Study
The study may be limited by difficulty in accessing accurate tax records due to confidentiality issues.
Respondents may also be unwilling to disclose sensitive financial information.
Time constraints and financial limitations may further restrict the depth of the research.
1.8 Definition of Terms
Taxation: A compulsory levy imposed by the government on individuals and businesses to generate revenue for public expenditure. (Musgrave and Musgrave, 2004).
Tax Evasion: Illegal practices used to avoid paying taxes, such as underreporting income or falsifying records. (Ojo, 2008).
Tax Avoidance: Legal methods of reducing tax liability by taking advantage of loopholes in tax laws. (James and Nobes, 2015).
Revenue: Income generated by the government through taxes and other sources. (CBN, 2020).
Economic Development: Improvement in the economic well-being and standard of living of a country or region. (Appah and Oyandonghan, 2011).
CHAPTER TWO
LITERATURE REVIEW
2.0 Literature Review
This chapter reviews related literature on the causes and effects of tax evasion and avoidance on the economy. The review focuses on conceptual explanations, theoretical foundations, empirical studies, and research methods related to taxation, tax compliance, and revenue generation. The chapter also examines how tax evasion and avoidance affect economic development and government revenue in Nigeria, particularly within the activities of the Abia State Board of Internal Revenue. (Appah and Oyandonghan, 2011; Ojo, 2008).
Taxation remains one of the most important sources of government revenue for financing public expenditure and promoting economic growth. However, the increasing rate of tax evasion and avoidance has become a major challenge to effective tax administration in Nigeria. (Musgrave and Musgrave, 2004).
2.1 Preamble / Introduction
Tax evasion and tax avoidance have become global issues affecting both developed and developing economies. Governments depend heavily on taxes to finance infrastructural development, education, healthcare, security, and other social services. When taxpayers evade or avoid taxes, government revenue declines, affecting economic growth and development. (James and Nobes, 2015).
In Nigeria, tax evasion is common among individuals, businesses, and even some corporate organizations. Factors such as corruption, weak enforcement mechanisms, high tax rates, and lack of taxpayer confidence in government contribute significantly to tax non-compliance. (Ola, 2001).
Tax avoidance, though legal, also reduces the amount of revenue available to government because taxpayers exploit loopholes in tax laws to minimize tax liabilities. This practice weakens the effectiveness of tax policies and limits government capacity to provide public services. (Appah and Oyandonghan, 2011).
The literature reviewed in this chapter provides insight into the causes, effects, and implications of tax evasion and avoidance on economic development and revenue generation.
2.2 Conceptual Framework
The conceptual framework explains the relationship between tax evasion, tax avoidance, and economic development.
Concept of Taxation
Taxation refers to compulsory levies imposed by government on individuals and organizations to generate revenue for public expenditure and national development. Taxes may be direct or indirect depending on the nature of the tax system. (Musgrave and Musgrave, 2004).
Concept of Tax Evasion
Tax evasion refers to illegal methods used by taxpayers to avoid paying taxes. This may include underreporting income, falsifying records, or concealing financial information from tax authorities. Tax evasion is a criminal offense punishable under Nigerian tax laws. (Ojo, 2008).
Concept of Tax Avoidance
Tax avoidance involves legal methods of reducing tax liability by taking advantage of loopholes in tax laws. Although legal, excessive tax avoidance reduces government revenue and affects economic development. (James and Nobes, 2015).
Independent and Dependent Variables
The conceptual relationship of this study is represented as follows:
Independent Variables:
- Tax Evasion
- Tax Avoidance
Dependent Variable:
- Economic Development / Government Revenue Generation
The study assumes that increases in tax evasion and avoidance negatively affect government revenue and economic development. (Appah and Oyandonghan, 2011).
2.3 Current Literature Based on Theories / Models and Research Method
Economic Deterrence Theory
Economic deterrence theory suggests that taxpayers comply with tax laws when the cost of evasion is higher than the benefits gained from evading taxes. Penalties, fines, and effective monitoring increase tax compliance. (Allingham and Sandmo, 1972).
This theory explains why weak enforcement systems encourage tax evasion in many developing countries, including Nigeria. When taxpayers believe there is little chance of being caught, they are more likely to evade taxes. (Ola, 2001).
Benefit Theory of Taxation
The benefit theory states that taxpayers should pay taxes according to the benefits they receive from government services. When citizens perceive poor public services and corruption, their willingness to pay taxes decreases. (Musgrave and Musgrave, 2004).
In Nigeria, inadequate infrastructure and poor governance contribute to low taxpayer confidence and increased tax evasion. (CBN, 2020).
Ability-to-Pay Theory
This theory argues that taxes should be imposed based on the taxpayer’s ability to pay. Individuals and organizations with higher income should pay more taxes. (James and Nobes, 2015).
However, high tax rates sometimes encourage taxpayers to evade taxes in order to reduce financial burden. (Appah and Oyandonghan, 2011).
Empirical Literature
Studies by Appah and Oyandonghan (2011) revealed that tax evasion significantly reduces government revenue and affects economic development in Nigeria. The study also showed that weak tax administration contributes to low compliance levels.
Ojo (2008) found that corruption among tax officials and lack of proper taxpayer education are major causes of tax evasion in Nigeria.
James and Nobes (2015) observed that tax avoidance by multinational corporations reduces government revenue and creates inequality in tax burden distribution.
Research conducted by the Federal Inland Revenue Service (FIRS) indicated that improving tax administration systems and adopting technology-based tax collection methods can reduce tax evasion and increase revenue generation. (FIRS Report, 2022).
Research Method Used in Previous Studies
Most studies on tax evasion and avoidance adopted survey research methods involving questionnaires and interviews with taxpayers and tax officials. Descriptive statistics and regression analysis are commonly used to analyze relationships between tax compliance and economic development. (Appah and Oyandonghan, 2011).
Secondary data sources such as tax reports, government publications, journals, and textbooks are also widely used in taxation research. (CBN, 2020).
2.4 Summary of the Literature Review
The literature reviewed shows that taxation is a major source of government revenue and an important tool for economic development. However, tax evasion and avoidance continue to undermine revenue generation and public expenditure in Nigeria.
Theoretical frameworks such as economic deterrence theory, benefit theory, and ability-to-pay theory explain taxpayer behavior and the factors influencing tax compliance. (Allingham and Sandmo, 1972; Musgrave and Musgrave, 2004).
Empirical studies indicate that weak tax administration, corruption, poor taxpayer awareness, and high tax rates contribute significantly to tax evasion and avoidance in Nigeria.
The review also shows that tax evasion negatively affects economic development by reducing government revenue available for infrastructure, healthcare, education, and other public services.
