In this paper I estimate under-assessment of incomes in the Personal Income Tax during the years following its introduction in Spain. The methodology combines an analysis of discrepancy with National Accounts and an econometric exercise, which follows and slightly modifies the Feldman and...

Recent years have witnessed the growth of mass-marketed tax avoidance schemes aimed at the middle (not top) of the income distribution, with significant implications for tax revenue. We examine the consequences, for the structure of income tax, and for tax authority anti-avoidance efforts, of...

More progressive income taxes raise employment in models of imperfectly competitive labour markets. However, this prediction is not robust to modifications of the analytical structure. For example, in an efficiency wage setting, more progressive taxes reduce profits. This induces firms to exit...