Taxation: A Powerful Weapon in the Arsenal of the United States

ECONOMY Feb 1, 2025 0 316 Add to Reading List

Did you know that the humble Twix® bar enjoys a sweet tax advantage over its chocolatey counterparts? In the U.S., Twix® is often exempt from sales tax in states that don't tax groceries because it contains flour, an arbitrary ingredient used to classify it as a "food product" rather than "candy." [1] This quirky example highlights the often-unexpected ways taxation can influence our lives and the economy. But beyond such curious loopholes, taxation in the United States is a powerful tool that has been wielded throughout the nation's history to shape economic policy, influence social behavior, and achieve various policy goals. This article delves into the multifaceted nature of taxation in the U.S., exploring its role as a weapon in the hands of the government.

Taxation: A Powerful Weapon in the Arsenal of the United States

Funding the U.S. Government and its Programs

The primary function of taxation, as enshrined in the U.S. Constitution, is to provide the financial resources necessary for the government to operate and provide essential services to its citizens [2]. These services, ranging from national defense and infrastructure development to education, healthcare, and social welfare programs, are funded through the collection of taxes, duties, imposts, and excises [2].

The federal government relies heavily on income taxes paid by individuals and corporations as its primary source of revenue. In fiscal year 2025, individual income taxes accounted for approximately 48% of total federal revenue, while Social Security and Medicare taxes contributed another 36% [3]. These taxes fund a wide range of government activities, from maintaining a strong military to supporting education and healthcare programs.

The Congressional Budget Office publishes an annual federal budget that outlines the government's spending priorities. Typically, the largest portions of the budget are allocated to Social Security, healthcare programs like Medicare and Medicaid, and national defense [4]. Economic security programs, such as unemployment insurance and the Supplemental Nutrition Assistance Program (SNAP), also receive a significant portion of the budget [4].

It is important to note that taxes reduce taxpayers' income, leaving them with less money for personal goods and services, savings, and investments [2]. This creates a trade-off: the more services the government provides, the more taxpayers have to pay for them. Whenever new public goods and services are proposed that require new taxes, taxpayers must decide whether the additional benefits are worth the reduction in income [2].

Over the past 50 years, federal revenue has averaged 17.4 percent of gross domestic product (GDP), ranging from 20.0 percent in 2000 to 14.5 percent in 2009 and 2010 [5]. In 2022, the federal government collected revenues of $4.9 trillion, equal to 19.6 percent of GDP [5].

For those who need assistance navigating the complexities of the tax system, several free resources are available. The Volunteer Income Tax Assistance (VITA) program offers free tax help to people who generally make $67,000 or less, persons with disabilities, and those with limited English proficiency. The Tax Counseling for the Elderly (TCE) program focuses on retirement-related tax issues and offers free tax help to all taxpayers, particularly those who are 60 or older [6]. Additionally, the IRS Free File program allows eligible taxpayers with an adjusted gross income (AGI) of $79,000 or less to prepare and file their federal tax return online for free [6].

Influencing Behavior and Achieving Policy Goals

Beyond its revenue-raising function, taxation serves as a powerful instrument for influencing behavior and achieving policy goals. Throughout U.S. history, the government has employed various tax policies to encourage or discourage certain activities, sometimes with unintended consequences.

Sin Taxes: Discouraging Consumption

One notable example is the use of "sin taxes" on goods like tobacco and alcohol. These taxes aim to discourage consumption of products deemed harmful to individuals and society [4]. By increasing the price of these goods, sin taxes can reduce consumption and generate revenue for public health programs.

Tax Incentives: Encouraging Investment

Tax incentives are another way the government uses taxation to influence behavior. For instance, tax credits for renewable energy investments encourage the adoption of clean energy technologies [7]. Similarly, tax deductions for charitable donations incentivize individuals and businesses to contribute to non-profit organizations.

Historical Examples: The Power and Pitfalls of Taxation

Historical examples further illustrate the power of taxation in shaping behavior, sometimes with unintended consequences. The "Tariff of Abominations" in 1828, which imposed high tariffs on imported goods, aimed to protect domestic industries but ultimately fueled tensions between the North and South leading up to the Civil War [8]. This demonstrates how tax policies intended to achieve one goal can have unforeseen and negative consequences in other areas.

During Prohibition, the government used excise taxes to discourage alcohol consumption [1]. However, this led to unintended consequences like smuggling and the rise of organized crime, highlighting the limitations of using taxation to completely eradicate undesirable behaviors [1].

The first income tax in the U.S. was introduced during the Civil War to raise revenue for the war effort [9]. This tax was repealed in 1872 but was later reinstated with the ratification of the 16th Amendment to the Constitution in 1913, which established Congress's right to impose a federal income tax [9]. The income tax has since become the primary source of revenue for the federal government.

Tax policies have even influenced architectural designs and ship construction throughout history. In Poland and Vietnam, property tax liability was once measured by street frontage, leading to the construction of tall, skinny houses to minimize taxes [10]. In 19th-century Britain, ships were taxed based on deck square footage, resulting in ships with deep hulls to maximize cargo space while minimizing tax liability [10]. These examples illustrate the ingenuity of individuals and businesses in responding to tax incentives, sometimes in ways that may not align with broader societal goals.

The Whiskey Rebellion of 1794, sparked by an excise tax on whiskey, serves as a reminder of the challenges of tax enforcement and public resistance to certain taxes [11]. This historical event highlights the importance of public acceptance and understanding of tax policies for their successful implementation.

Tax Expenditures: Spending in Disguise

Tax expenditures, often referred to as "spending in disguise," are special provisions in the tax code that reduce tax liabilities for specific constituencies and activities [12]. These provisions, such as deductions, exemptions, and credits, can be used to influence consumer and business behavior [12]. However, they can also distort economic decisions and reduce economic productivity [12]. In 2023, tax expenditures totaled nearly $1.8 trillion, exceeding the spending of any single federal agency or program [12].

The Tax Cuts and Jobs Act of 2017

The Tax Cuts and Jobs Act of 2017 aimed to stimulate economic growth by reducing corporate tax rates and providing incentives for businesses to invest [13]. The key provisions of the TCJA and their intended impact on economic growth are summarized in the table below:

Provision	Pre-TCJA	Post-TCJA	Impact on Economic Growth
Corporate Tax Rate	35% (highest in the industrialized world)	21% (slightly above the OECD average)	Increased after-tax return on capital investments, made U.S. tax rates globally competitive, boosted wages
20% Deduction for Pass-Through Business Income	Pass-through businesses taxed at the top individual rate of 39.6%	Top rate reduced to 37% combined with a 20% deduction, resulting in a 29.6% rate for most pass-through businesses	Increased after-tax return on capital investments, made U.S. tax rates globally competitive, boosted wages
Full Expensing for Certain Capital Investments	Immediate deduction allowed on up to 50% of the cost of new equipment	Ability to immediately expense 100% of the cost of new equipment (phased down beginning in 2023)	Reduced after-tax cost of investments, supported increased capital investment
Taxation of Multinational Corporations	Worldwide taxation, taxing income earned by foreign subsidiaries	Quasi-territorial system, exempting some overseas profits; GILTI regime imposes a 13.125% minimum tax on excess foreign profits; FDII deduction incentivizes holding intellectual property in the U.S.	Ensured U.S. corporate tax system was globally competitive, supported increased business investment in the U.S.

However, the long-term effects of this legislation on the economy and income inequality are still being debated [13].

Impact on Socioeconomic Groups

Taxation has a significant impact on different socioeconomic groups in the U.S. The federal income tax system is designed to be progressive, meaning that higher-income households pay a larger share of their income in taxes than lower-income households [14]. This progressivity helps to reduce income inequality by redistributing wealth from the wealthy to those with lower incomes.

However, while the U.S. tax system is progressive overall, certain provisions can disproportionately benefit the wealthy and exacerbate inequality [15]. For example, tax expenditures, which are special provisions that reduce tax liabilities for specific groups or activities, often disproportionately benefit wealthier households [15]. The preferential tax rates on capital gains and qualified dividends, primarily benefiting White families, are a prime example [15]. These lower rates on investment income contribute to the widening wealth gap between the rich and the rest of society.

On the other hand, programs like the Earned Income Tax Credit (EITC) provide significant benefits to low- and moderate-income working families, particularly Black and Hispanic families [15]. The EITC is a refundable tax credit, meaning that it can reduce a taxpayer's liability to below zero and result in a refund, making it an effective tool for reducing poverty and supporting working families.

The impact of taxation on different socioeconomic groups is further complicated by the varying effects of different types of taxes on GDP and potential output. Research suggests that raising income tax rates has the least negative effect on GDP in the long run, while increasing corporate tax rates can lead to a severe and negative fall in GDP and potential output [17]. This highlights the need to carefully consider the economic consequences of different tax policies and their impact on various segments of the population.

Furthermore, the progressivity of the tax system can influence upward mobility and income redistribution. Studies have shown that reducing the progressivity of a tax system can increase the likelihood of employed individuals obtaining better jobs and lead to an increase in the real growth rate of wages [18]. However, highly progressive tax systems can also discourage high-income earners from migrating to states with higher taxes, potentially hindering economic growth and exacerbating income inequality in those states [18].

Ongoing Debates Surrounding Taxation

The U.S. tax system is constantly evolving, with ongoing debates surrounding various aspects of taxation. These debates often center around issues of fairness, effectiveness, and the appropriate role of government in using taxation to achieve policy goals.

The 2025 Tax Cliff and the Debate over Baselines

One current debate revolves around the expiring provisions of the 2017 Tax Cuts and Jobs Act [19]. These provisions, set to expire in 2025, include individual tax cuts and changes to business taxation. Lawmakers are grappling with whether to extend these provisions, let them expire, or modify them to address concerns about their impact on the national debt and income inequality. Extending these provisions would be costly, with estimates suggesting a loss of over $5 trillion in revenue over the next 10 years [20]. Moreover, the extension would be highly regressive, disproportionately benefiting the wealthiest Americans [20].

This debate is further complicated by the discussion about the appropriate baseline for measuring the cost of tax legislation [19]. The Congressional Budget Office uses a "current law" baseline, which assumes that expiring tax provisions will expire as scheduled. However, some argue that a "current policy" baseline, which assumes that current policies will continue, is more appropriate for evaluating the long-term costs of tax cuts [19]. This difference in baselines can significantly affect the perceived cost of tax legislation and influence policy decisions.

Fairness and Effectiveness: Balancing Competing Goals

Furthermore, there are ongoing discussions about the fairness and effectiveness of various tax policies. Some advocate for simplifying the tax code to reduce complexity and compliance costs, while others argue that certain complexities are necessary to achieve fairness and address specific policy goals [21]. This tension between simplicity and achieving policy objectives is a recurring theme in tax policy debates.

The debate over tax fairness often involves considerations of horizontal equity (individuals with similar incomes paying similar taxes) and vertical equity (individuals with higher incomes paying a larger share of their income in taxes) [22]. There are also concerns about intergenerational equity, ensuring that tax policies do not disproportionately burden future generations [22]. For example, increasing payroll taxes today to improve the solvency of Social Security and Medicare could place a greater burden on younger workers compared to older generations who paid lower taxes during their working years [22].

Historical Trends and Current Challenges

Looking at historical trends, it is evident that effective tax rates for high-income earners and corporations have declined significantly over the past few decades [23]. This has contributed to rising income inequality and has fueled debates about the fairness of the tax system [23].

In addition to federal tax debates, several fiscal challenges are playing out at the state level. States are grappling with issues such as dwindling transportation funds due to increased fuel efficiency and the rise of electric vehicles [24] as well as declining tax revenues and increasing spending needs for public schools [24]. These challenges highlight the importance of sound tax policy at all levels of government.

Conclusion: Taxation as a Double-Edged Sword

Taxation in the United States is a powerful weapon with the potential to achieve a wide range of policy objectives. It is the primary means of funding government operations and providing essential services to citizens. Moreover, it can be used to influence behavior, encourage investment, and address social issues.

However, taxation can also be a double-edged sword. Poorly designed tax policies can distort economic incentives, exacerbate inequality, and create unintended consequences. Therefore, it is crucial for policymakers to carefully consider the potential impacts of tax policies on different socioeconomic groups and the long-term economic health of the nation. Striking a balance between raising revenue, influencing behavior, and promoting equity is a constant challenge in tax policy.

The ongoing debates surrounding taxation in the U.S. reflect the complex and dynamic nature of this powerful tool. As the nation faces challenges such as rising income inequality, climate change, and an aging population, taxation will continue to play a central role in shaping the future of the United States. Just as a skilled warrior must wield their weapon with precision and foresight, policymakers must use the power of taxation responsibly and strategically to ensure a prosperous and equitable future for all Americans.