Standard search models are unreliable for structural inference of the underlying sources ofwage inequality because they are inconsistent with observed residual wage dispersion. Weaddress this issue by modeling skill development and duration dependence in unemploymentbenefits in a random on the...

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...

Empirical investigations with enterprise level data from official statistics often use the averagewage as a proxy variable for the qualification of the workforce, mostly due to the lack ofdetailed information on the qualification of the employees. This paper uses unique newlyavailable data for...