This paper provides 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 tax morale will...

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...