This paper analyzes optimal fiscal, environmental and immigration policy for a single jurisdiction. In the presence of immigration quotas, taxes on the output of externality-producing industries should be higher than indicated by the standard rule for Pigovian corrective taxation. Immigration...

We examine how three sources of asymmetric information affect the supply of entrepreneurs and unemployment. In the first case, banks cannot observe entrepreneurs' risk of failure so ration credit. This increases the number of entrepreneurs and the level of unemployment. In the second case, firms...

We study the effectson tax enforcement and tax policy of unintentional complianceerrors by taxpayers and administrative errors by tax auditors.The government can impose both penalties for misreporting andrewards for honest reporting. Maximal sanctions will not be appliedbecause errors are...

This paper summarizes James Mirrlees' key contribution to the theory of tax policy. It argues that the Mirrlees approach of viewing government as being constrained by imperfect information has changed profoundly how we look at the normative public policy. In this view, asymmetric information...

A two-region economy consists of a given but different number of immobile workers in each region, and a given number of mobile firms. Firms create jobs where they locate, but there is frictional unemployment. Two sorts of agglomeration effects arise: those from economies of scale in matching,...