Gomes, Renato; Lozachmeur, Jean-Marie; Pavan, Alessandro - CESifo - 2014
We study nonlinear income taxation in a Roy model in which agents’ productivity is sectorspecific. We show that when income taxes can be sector-specific, the Diamond-Mirrlees theorem (according to which the second-best displays production efficiency) fails: social welfare (be it Rawlsian or...