Cutting corporate rates boosts top 1 percent incomes: Percentage-point change in state corporate income tax rates and top 1 percent income share, 1980–2010

Corporate rate Top 1 percent income share Population (weight)
1.5% 6.7% 4.80E+06
0.0% 7.0% 710231
-3.5% 8.3% 6.30E+06
0.5% 7.4% 2.90E+06
-0.8% 12.1% 3.70E+07
-0.4% 8.3% 5.00E+06
-2.5% 20.5% 3.60E+06
0.0% 3.1% 897934
0.5% 11.4% 1.90E+07
0.0% 7.5% 9.70E+06
0.0% 3.8% 1.40E+06
1.1% 6.2% 1.60E+06
0.8% 10.8% 1.30E+07
2.5% 5.7% 6.50E+06
2.0% 3.9% 3.00E+06
0.3% 6.2% 2.90E+06
0.0% 5.6% 4.30E+06
0.0% 5.1% 4.50E+06
2.0% 4.5% 1.30E+06
0.0% 6.2% 5.80E+06
-0.8% 14.3% 6.50E+06
2.6% 8.0% 9.90E+06
-2.2% 7.8% 5.30E+06
1.0% 6.9% 3.00E+06
1.3% 6.5% 6.00E+06
0.3% 8.0% 989415
3.3% 6.2% 1.80E+06
0.0% 14.1% 2.70E+06
0.5% 9.1% 1.30E+06
0.0% 10.4% 8.80E+06
2.6% 5.8% 2.10E+06
-2.9% 18.1% 1.90E+07
0.9% 5.4% 9.50E+06
-2.1% 5.3% 672591
-8.0% 5.9% 1.20E+07
2.0% 4.8% 3.80E+06
-0.5% 6.5% 3.80E+06
0.5% 7.8% 1.30E+07
1.0% 5.3% 1.10E+06
-1.0% 6.8% 4.60E+06
0.0% 7.2% 814180
0.0% 7.1% 6.30E+06
0.0% 8.3% 2.50E+07
1.0% 7.6% 2.80E+06
1.0% 5.1% 625741
0.0% 7.8% 8.00E+06
0.0% 8.1% 6.70E+06
2.5% 4.9% 1.90E+06
0.0% 7.6% 5.70E+06
0.0% 19.5% 563626
Cutting corporate rates boosts top 1 percent incomes: Percentage-point change in state corporate income tax rates and top 1 percent income share, 1980–2010

Note: Author’s analysis of data on state corporate tax rates from Serrato and Zidar (summary data here). Data on top 1 percent income shares by state from the Frank-Price-Sommeiller state income data. Data points weighted by state population in 2010.

View the underlying data on epi.org.