... Congressional Research Service 14 Taxes and the Economy: An Economic Analysis of the Top Tax Rates Since 1945 Figure Share of Total Income of Top 0.01% and the Top Tax Rates, 1945- 2010 6 Percentage Percentage ... Share of Total Income of Top 0.1% and the Top Tax Rates, 1945- 2010 14 Figure Share of Total Income of Top 0.01% and the Top Tax Rates, 1945- 2010 15 Figure Labor Share of Income and the Top Tax ... Service 12 Taxes and the Economy: An Economic Analysis of the Top Tax Rates Since 1945 dashed line) since 1945. 45 Under both definitions of the top of the income distribution (i.e., highincome taxpayers),...