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...

This research suggests that a Darwinian evolution of entrepreneurial spirit played asignificant role in the process of economic development and the dynamics of inequality withinand across societies. The study argues that entrepreneurial spirit evolved non-monotonicallyin the course of human...