Background
Vertical equity is a fundamental principle in economics and public finance that argues for greater contributions from those who are in more advantageous positions. It typically arises in discussions about the fairness and efficiency of tax systems and welfare policies.
Historical Context
Historically, the concept of vertical equity has been rooted in philosophical and moral discussions about justice and fairness. It gained prominence with the evolution of progressive taxation systems, which became more formalized during the 19th and 20th centuries as nations sought to address economic inequality and provide public goods.
Definitions and Concepts
Vertical equity is the principle that individuals who are better off, or in more advantageous positions, should contribute a larger share to society’s collective resources. This principle is usually applied in the context of taxation, suggesting that those with higher incomes should pay more taxes.
Major Analytical Frameworks
Classical Economics
Classical economists like Adam Smith discussed taxation principles implicitly related to vertical equity. Smith’s “ability to pay” principle aligns with the idea that those with greater economic power should contribute more.
Neoclassical Economics
Neoclassical economics typically focuses on efficiency but acknowledges vertical equity within the utility framework. Higher income earners can afford to contribute more without significant loss of utility compared to lower-income individuals.
Keynesian Economics
Keynesian economics advocates for progressive taxation as part of a broader strategy to stabilize the economy and reduce economic disparities, aligning closely with vertical equity principles.
Marxian Economics
Marxian economic theory emphasizes the role of economic structures in perpetuating inequality. Vertical equity might be seen through policies aimed at redistributing wealth from capital owners to workers.
Institutional Economics
Institutional economists consider how societal norms and rules impact economic outcomes. Vertical equity policies can shape institutions to reduce inequality and enhance fairness.
Behavioral Economics
Behavioral economists study how psychological factors influence economic decisions, including perceptions of fairness. Vertical equity aligns with policies that most people perceive as fair and just.
Post-Keynesian Economics
Post-Keynesian economists stress the importance of effective demand and income distribution. Implementing vertical equity through progressive taxation complements their focus on achieving economic stability and social justice.
Austrian Economics
Austrian economists are generally skeptical of enforced contributions through taxation due to their emphasis on individual choice and market dynamics. However, they may support voluntary contributions that align with vertical equity principles.
Development Economics
Development economists emphasize how varied levels of economic development justify different approaches to taxation and welfare. In contexts of extreme inequality, vertical equity principles are essential to ensuring basic needs and fostering inclusive growth.
Monetarism
Monetarists focus on controlling money supply to manage inflation and economic performance. While generally advocating for limited government intervention, some monetarists accept progressive taxation as a tool for maintaining social order.
Comparative Analysis
Vertical equity is often compared to horizontal equity, which concerns fairness amongst those with similar economic standings. While both strive for fairness, vertical equity demands differentiated treatment based on the level of advantage, whereas horizontal equity seeks equitable treatment among equals.
Case Studies
- Progressive Taxation in the U.S.: The graduated income tax structure in the U.S. is a prime example of vertical equity in practice, where income tax rates increase with higher income brackets.
- Social Welfare Policies in Scandinavia: Scandinavian countries’ tax policies focus heavily on vertical equity, ensuring high-income earners contribute significantly to widespread social welfare programs.
Suggested Books for Further Studies
- “Capital in the Twenty-First Century” by Thomas Piketty
- “Principles of Economics” by N. Gregory Mankiw
- “The General Theory of Employment, Interest, and Money” by John Maynard Keynes
Related Terms with Definitions
- Horizontal Equity: The principle that individuals with similar incomes or circumstances should pay the same amount in taxes or receive similar treatment.
- Progressive Taxation: A tax system where the tax rate increases as the taxable amount increases, supporting the idea of vertical equity.
- Ability to Pay Principle: An economic theory that asserts that taxes should be levied according to an individual’s ability to require payments, suggesting those with higher incomes can afford to pay more taxes.
