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Brief, Tax Policy, Economic Growth
Mariko Paulson
Senator Elizabeth Warren’s Wealth Tax: ...

  • Senator Elizabeth Warren has proposed a wealth tax equal to 2 percent of net worth above $50 million and 6 percent of net worth above $1 billion, which her campaign estimates would raise $3.75 trillion over 10 years.

  • PWBM estimates that the proposal would raise about $2.7 trillion over fiscal years 2021-2030, not including macroeconomic effects. Including macroeconomic effects, PWBM estimates that the proposal would raise about $2.3 trillion over the same period.

  • PWBM projects that the proposal would reduce GDP by 0.9 percent in 2050 under the standard budget scoring convention that additional revenues reduce the deficit. If the revenues were instead spent on public investments, PWBM projects GDP in 2050 would fall between 1.0 and 2.1 percent, depending on the productivity of the investment. Average hourly wages in the economy in 2050, including wages earned by households not directly subject to the wealth tax, would fall between 0.8 and 2.3 percent due to the reduction in private capital formation.

Senator Elizabeth Warren’s Wealth Tax: Budgetary and Economic Effects
Blog Post, Tax Policy
Mariko Paulson
The Revenue-Maximizing Capital Gains Tax Rate: ...

Under current law, PWBM estimates that a 33% capital gains tax rate maximizes revenue, but this rate increases to 42% if stepped-up cost basis at death were eliminated.

Blog Post, Tax Policy, Economic Growth
Mariko Paulson
Policy Options: Increase Tax Rates on Capital ...

We estimate the budgetary and economic effects of increasing the top rate on long-term capital gains and qualified dividends from 20 percent to 24.2 percent, which is enacted on January 1st, 2021. We project that it will raise around $60 billion of additional revenue on a conventional basis over the 10-year budget window and increase GDP by 0.1 percent by 2050.

Blog Post, Tax Policy, Economic Growth
Mariko Paulson
Policy Options: A 1% Value-Added Tax

We estimate the budgetary and economic effects of a new broad-based 1 percent value-added tax (VAT) with a progressive universal rebate calculated based on earnings, which is enacted on January 1st, 2021. We project that it will raise $700 billion of additional revenue on a conventional basis over the 10-year budget window and increase GDP by 0.8 percent by 2050.

Blog Post, Tax Policy, Economic Growth
Mariko Paulson
Policy Options: A Carbon Tax of $30 per ton

We estimate the budgetary and economic effects of a new carbon tax of $30 per ton of emissions, which is enacted on January 1st, 2021, rising by inflation plus 5 percent through 2050. We project that it raises $1.6 trillion of additional revenue on a conventional basis over the 10-year budget window and increases GDP by 2.2 percent by 2050.

Simulator

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Penn Wharton Budget Model's Social Security Simulator

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Penn Wharton Budget Model's Social Security Simulator

Click Here for Interactive Simulation

  • Penn Wharton Budget Model’s updated Social Security Simulator allows users to build Social Security reform plans to see the budgetary and economic impact of those plans.

  • Users can try up to 648 different policy combinations.

  • The model can handle a much wider range of Social Security policy options, which are not shown to conserve space. Policymakers, major media outlets and thought leaders who want to test different Social Security reforms can contact us for estimates.

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Penn Wharton Budget Model’s Tax Policy Simulator

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Penn Wharton Budget Model’s Tax Policy Simulator

CLICK HERE FOR INTERACTIVE SIMULATION

  • Penn Wharton Budget Model’s new comprehensive Tax Policy Simulator allows users to build tax reform plans and see the budgetary and economic impact of those plans.
  • Users can vary 16 key tax provisions, for a total of 4,096 policy combinations.
  • The model accommodates a much wider range of tax policy options, which are not shown to conserve space. Policymakers, major media outlets and thought leaders who want to test different tax reforms can contact us for estimates.

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Penn Wharton Budget Model’s 2017 White House Tax Plan Simulator

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Penn Wharton Budget Model’s 2017 White House Tax Plan Simulator
  • Penn Wharton Budget Model’s Tax Policy Simulator allows users to see the budgetary and economic impact of President Trump’s 2017 White House Tax Plan. Users can vary the key economic behavioral parameters, for a total of 512 combinations.
  • In the short-run, President Trump’s 2017 White House Tax Plan produces similar economic growth as current policy. However, in the long-run, this tax plan reduces economic growth compared to current policy due to its impact on debt.
  • A policy package that combines a reduction of 20 percent to federal spending, excluding Social Security and Medicare, and the White House Tax Plan with possible options from the 2016 campaign plan to raise more revenue can lead to greater economic growth than current policy.

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Penn Wharton Budget Model’s Tax Policy Simulator

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Penn Wharton Budget Model’s Tax Policy Simulator
  • Penn Wharton Budget Model’s Tax Policy Simulator allows users to see the budgetary and economic impact of Hillary Clinton’s, Donald Trump’s and the House GOP’s tax plans. Users can vary the key economic behavioral assumptions, for a total of 512 combinations.
  • In the short run, Hillary Clinton’s tax plan dampens economic growth. However, in the long run her tax plan increases economic growth relative to current policy because her tax plan reduces federal debt relative to current policy.
  • In the short run, Donald Trump’s tax plan boosts economic growth. However, in the long run, his tax plan reduces economic growth compared to current policy because his tax plan increases federal debt relative to current policy.

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The Penn Wharton Budget Model’s Social Security Policy Simulator

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The Penn Wharton Budget Model’s Social Security Policy Simulator

  • The Penn Wharton Budget Model’s Social Security Policy Simulator allows users to see the results of six policy options and combinations of those options, for a total of 4,096 policy combinations. Most policies can be simulated on a standard static basis or on a dynamic basis that includes macroeconomic feedback effects.

  • Relative to estimates by the Social Security Administration, the Penn Wharton Budget Model shows a faster and larger deterioration of the program’s finances. Our results are a bit closer to the Congressional Budget Office’s projections.

  • Many standard policy options for achieving solvency barely move the date that the Social Security Trust Fund runs out of money, but they might contribute significantly to the long-run shortfall. Either combinations of several policy changes or larger changes are required for securing Social Security.

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The Penn Wharton Budget Model’s Immigration Policy Simulator

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The Penn Wharton Budget Model’s Immigration Policy Simulator

Click Here for Interactive Simulation

Click Here for a Video Demonstration of the Simulator

  • The Penn Wharton Budget Model’s Immigration Policy Simulator allows users to see the results of three policy options and combinations of those options, for a total of 125 policy combinations. Policies can be simulated on a standard static basis or on a dynamic basis that includes macroeconomic feedback effects.
  • Shifting the mix of legal immigrants toward college graduates has little impact on employment and only slightly increases GDP. Legalization of undocumented workers slightly reduces employment and has a negligible impact on GDP. Deportations, however, substantially reduce both employment and GDP.
  • The largest positive impact on employment and GDP comes from increasing the net flow of immigrants.

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