This paper examines whether income inequality is affected by the structural progressivity of national income tax systems. Using detailed personal income tax schedules for a large panel of countries, we develop and estimate comprehensive, time-varying measures of structural progressivity of...

The trend of increasing inequality in the distribution of income and wealth in most developed countries has led to calls for corrective tax increases for the rich and wealthy. Such calls are often confronted with the claim that higher taxes on top personal incomes, corporate income and wealth...

We derive a general optimal income tax formula when individuals respond along both the intensive and extensive margins and when income effects can prevail. Individuals are heterogeneous across two dimensions: their skill and their disutility of participation. Preferences over consumption and...