Introduction: Measuring Tax Progression -- Theories: Local Measures -- Global Measures -- Uniform Measures -- Applications: Data and Fiscal Institutions of the Surveyed Countries -- Numerical Results -- Statistical Tests -- Progression Intensity

We study the effect of tax policy on stock market returns in the United States, Germany, and the United Kingdom using GARCH models and a unique daily dataset of legislative tax changes during the period 1 December 1978 to 31 January 2018. We find that days of discretionary tax legislation during...