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...

Migration is an unavoidable aspect of globalization. While full flexibility is politically unfeasible, the paper argues for regulated openness. Migration in the age of globalization should be judged according to the labor market needs of the receiving countries. This would also serve best the...