This is a genuinely contested policy question where reasonable people disagree based on differing values and economic assumptions, so I'll lay out the main considerations on each side rather than declare a "correct" answer.
Arguments for raising taxes on the wealthy
•Rising inequality: Income and wealth inequality have grown substantially in the U.S. over recent decades, with top earners capturing a disproportionate share of income growth. Some argue higher taxes could help address this.
•Declining effective rates at the top: Some research suggests that when all taxes (federal, state, payroll) are counted, effective tax rates on the very wealthiest have fallen and can be lower than rates paid by middle-class families, partly because investment income is taxed differently than wages.
•Revenue needs: Higher taxes on top earners are often proposed as a way to fund programs (healthcare, infrastructure, deficit reduction) without raising taxes on lower/middle-income households.
•Diminishing marginal utility: A dollar matters less to a billionaire than to a median-income worker, an argument rooted in utilitarian ethics for progressive taxation.
Arguments against raising taxes on the wealthy
•Economic growth/investment concerns: Critics argue higher taxes on capital and high earners could reduce investment, entrepreneurship, and economic growth.
•Capital mobility: Wealthy individuals and corporations can sometimes relocate income, assets, or residency to lower-tax jurisdictions, potentially limiting revenue gains.
•Already progressive system: Some point out that in the U.S., the top earners already pay a large share of total federal income taxes relative to their share of income.
•Incentive effects: Higher marginal rates could theoretically reduce incentives to work, invest, or take risks, though empirical evidence on the magnitude of this effect is debated among economists.
•Fairness as "what you earned": Some argue people are entitled to keep what they legally earn, and taxation should be judged by a flat standard of fairness rather than by income level.
Where the real debate lives
Much of the disagreement isn't just about values but about empirical questions: How much would revenue actually increase? How much would behavior change (tax avoidance, migration, reduced investment)? Would the economic effects on growth outweigh the benefits of redistribution or deficit reduction? Economists have produced a wide range of estimates on these questions, and the answers often depend on which taxes are raised (income vs. capital gains vs. wealth taxes) and by how much.
My take: I don't think there's a single objectively "correct" answer here — it depends on what you value (equality vs. growth vs. individual property rights vs. fiscal sustainability) and which empirical assumptions you find most credible. If you want, I can dig into specific proposals (e.g., a wealth tax, raising capital gains rates, or specific bracket changes) and what's known about their likely effects.