Trends and Gradients in Top Tax Elasticities: Cross-Country Evidence, 1900-2014
77 Pages Posted: 27 Mar 2017
Date Written: March 2017
We compile data spanning the period 1900-2014 and up to 30 countries to study long-run patterns in the tax elasticity of top incomes. Our results show that top tax elasticities vary tremendously over time; they were medium-to-low before 1950, virtually zero during the postwar era up to 1980 and have thereafter increased to unprecedented levels. We document a strong income gradient in tax response within the top, underlining the importance to study even small top groups separately. Several mechanisms are investigated. Tax-driven income shifting between wage and capital income is important in the very top. Wars, financial crises, and country-specific effects and trends have bearing on top elasticities whereas standard macroeconomic factors and indicators of "real responses" do not.
Keywords: economic history, Income inequality, taxation
JEL Classification: D31, H21, H24, H26, N40
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