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...

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...

We introduce a new dataset that includes quantitative harmonized indices of tax reforms based on qualitative information of about 900 Economic Surveys from the OECD and 37,000 tax-related news from the IBFD archives. The data set provides indicators on tax reforms for tax rates and tax bases,...