Keen, Michael; Papapanagos, Harry; Shorrocks, Anthony - School of Economics, University of Kent - 1996
The theoretical analysis of tax progressivity has proceeded on the unrealistic assumption that tax liability is never … zero, thereby precluding a systematic examination of the progressivity effects of such basic tax reforms as an increase in … personal allowances. This paper extends the core results on progressivity to cover zero tax payments, and applies these new …