This paper is the first to provide evidence of efficient taxation of groups with heterogeneous levels of 'tax morale'. We set up an optimal income tax model where high tax morale implies a high subjective cost of evading taxes. The model predicts that 'nice guys finish last': groups with higher...

During the nineties, unemployment has fallen in a number of European countries while it has remained high in others. The paper discusses potential causes for that evolution in light of recent economic research, emphasizing obstacles to reform due to political constraints, the prevalence of...