The relative income gains of the affluent after the passage of the Tax Reform Act of 1986 (TRA86), which sharply lowered tax rates at high income levels, are overstated by comparing cross-sectional slices using concurrent income definitions, but they are large nevertheless. Although an index of...

Conclusions about inequality based on cross-sectional snapshots of annual income can give a misleading picture of the inequality of a more permanent notion of income, due to the mobility of individuals across annual income classes. This paper reassesses some of the issues about taxation and...

This paper explores the links between two phenomena of the past two decades: striking increase in the inequality of pre-tax incomes, and the failure of tax-and-transfer progressivity to increase. We emphasize the causal links going from inequality to progressivity, noting that optimal taxation...