This paper is the first to provide evidence of efficient taxation of groups with heterogeneouslevels of ‘tax morale’. We set up an optimal income tax model where high tax morale impliesa high subjective cost of evading taxes. The model predicts that ‘nice guys finish last’: groupswith...

The success of the flat rate tax in Eastern Europe suggests that this concept could also be amodel for the welfare states of Western Europe. The present paper uses a simulation modelto analyse the effects of revenue neutral flat rate tax reforms on equity and efficiency for thecase of Germany...