Paul L. Caron

Thursday, September 28, 2023

The Limits Of Taxing The Rich

Brian Riedl (Manhattan Institute), The Limits of Taxing the Rich:

Budget deficits have risen to nearly 6% of GDP and are projected to rise to 10% of GDP over three decades. If Congress continues to enact additional tax cuts and spending expansions, these deficits will grow even larger. To close these baseline deficits and finance additional expansions, most progressives reject most spending cuts as well as middle-class tax increases. Instead, just “tax the rich” has become an easy and popular answer. However, while there is surely room to raise some revenue from corporations and wealthy families, the plausible revenue estimates from these proposals fall far short of closing these budget gaps.

Figure 1

This report models an aggressive tax-the-rich agenda that pushes tax rates for corporations and wealthy families toward revenue-maximizing levels. It shows that such policies could raise, at most, 2% of GDP—and likely far less, when accounting for the macroeconomic losses that would result from layering so many new taxes on top of one another. Consequently, a sustainable economic and tax agenda would limit upper-income-tax increases to 1% of GDP.

In response to likely progressive counterarguments, this report also shows that: 1) Senator Bernie Sanders’s tax agenda has not identified additional plausible tax-the-rich policies; 2) America’s upper-income-tax rates align with international norms, and Europe’s higher tax revenues overwhelmingly result from broad-based consumption and payroll taxes; and 3) the 1950s and 1960s income tax rates exceeding 90% raised little additional tax revenue.

Given the mathematical limits of taxing the rich, policymakers should broaden their deficit-reduction strategies to include spending savings and even middle-class taxes.

Figure 2

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