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Implications of the Harris Administration's Proposal for Taxing Unrealized Capital Gains

Taxes on Unrealized Gains May Discourage Investment and Affect U.S. Economic Stability

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"The miracle of compounding returns is overwhelmed by the tyranny of compounding costs"

-John C. Bogle

The Harris campaign has introduced a bold tax proposal that seeks to redefine the U.S. taxation landscape: imposing a tax on unrealized capital gains for individuals with a net wealth exceeding $100 million. While this initiative aims to address income inequality and generate substantial federal revenue, it carries profound implications for investors, the economy, and foundational taxation principles in the U.S.

What's the Story/Context

Vice President Kamala Harris supports President Biden's fiscal year 2025 budget proposal, which includes a new tax on unrealized capital gains—a significant departure from traditional taxation norms. Historically, capital gains taxes have been levied only when an asset is sold, and profits are realized. Under the proposed plan, individuals with more than $100 million in total wealth would face a minimum tax of 25% on both their regular income and the unrealized appreciation of their assets. This approach represents one of the most substantial tax increases in over four decades.

The proposal is part of a broader tax agenda that also aims to raise the federal corporate tax rate from 21% to 28% and increase the top capital gains and dividend tax rate to 44.6% when combined with state taxes.¹ These changes collectively position the United States to have one of the highest total tax rates on corporate income in the developed world, potentially impacting the country's competitive edge in the global market.

Implications of the Proposal

Economic Distortions and Investment Disincentives

Taxing unrealized gains introduces several complex challenges and potential economic distortions. Firstly, it effectively increases the marginal tax rate on investment returns, possibly by more than 12%.¹ This heightened tax burden could discourage investment in equities, real estate, and other appreciating assets, leading to reduced capital formation and slower economic growth. Investors may become more risk-averse, impacting entrepreneurship and innovation, particularly in sectors reliant on venture capital and angel investments.²

Liquidity Challenges

The proposal also presents significant liquidity challenges. Taxpayers might be compelled to sell assets or incur debt to meet tax obligations on gains that exist only on paper.¹ For illiquid assets, such as privately held businesses or real estate, this could force premature sales or financial strain, disrupting long-term investment strategies.

Administrative Complexities

Administrative complexities cannot be overlooked. Accurately valuing non-tradable assets annually is fraught with difficulty and could lead to disputes with the Internal Revenue Service (IRS).³ The IRS, already under strain, would require additional resources to enforce this tax effectively, potentially leading to increased compliance costs and bureaucratic inefficiencies.

Constitutional and Legal Concerns

Moreover, the proposal raises constitutional and legal concerns. The 16th Amendment permits taxation on income, but whether unrealized gains constitute income is debatable. Taxing potential future income before it is realized challenges traditional notions of property rights and may face legal challenges, adding uncertainty to the financial landscape.

Global Competitiveness

From a global perspective, these tax changes could undermine the United States' competitiveness. With higher effective tax rates, the U.S. might become less attractive to investors compared to countries with more favorable tax regimes.³ This shift could lead to capital flight, decreased foreign investment, and a diminished role in international markets.

Why Investors Should Care

Investors need to be acutely aware of how this proposal could affect their portfolios and financial strategies. An increased tax burden on unrealized gains may necessitate adjustments in investment approaches, asset allocations, and long-term planning. Liquidity management becomes more critical, as investors might need to ensure they have sufficient cash flow to meet potential tax liabilities without disrupting their investment objectives.

The proposal also introduces greater market volatility risk. If investors begin selling assets to meet tax obligations, especially at fiscal year-end, it could lead to downward pressure on asset prices, impacting market stability and returns. Furthermore, the uncertainty surrounding the legal challenges to the tax could create an unpredictable investment environment.

Engaging with tax professionals and staying informed on legislative developments will be crucial. Investors should consider the potential need for increased tax planning services and be prepared for more complex tax filings. Proactive portfolio reviews and stress-testing against various tax scenarios can help mitigate risks.

Conclusion

While the Harris campaign's proposal aims to promote tax fairness and generate revenue, it carries significant economic and practical implications. The potential to discourage investment, create liquidity challenges, and introduce administrative burdens raises concerns about its impact on the U.S. economy and investors. Policymakers must carefully weigh the benefits of increased revenue against the potential drawbacks of such a fundamental change to the taxation system.

Quick Hits:

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1. Cato Institute, Harris’s Tax on Unrealized Gains Is Only the Tip of a $5 Trillion Tax Iceberg, 2024.

2. American Institute for Economic Research, Unrealized Gains Tax is an Economic Fallacy, 2024.

3. Tax Foundation, Analysis of Harris’s Billionaire Minimum Tax on Unrealized Capital Gains, 2024.

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