Both the U.S. and the EU are an economic union: There is a single market for goods, capital, finance, and labor. That is, there is free mobility of goods and services, physical and financial capital, and labor among the member countries of the union. Nevertheless, there is much higher degree of...

We study how an optimal income tax and an optimal public-goods provision rule respond to preference and productivity shocks. A conventional Mirrleesian treatment is shown to provoke manipulations of the policy mechanism by individuals with similar interests. We therefore extend the Mirrleesian...

We analyze the optimal regional pattern of public employment in an information-constrained second-best redistribution policy showing that regionally differentiated public employment can serve as an expenditure side tagging device, bypassing or relaxing the equity-efficiency trade-off. The...

Negative perceptions about migrants in Europe, the Continent with the largest social policy programmes, are driven by concerns that foreigners are a net fiscal burden. Paradoxically instruments of social inclusion are becoming a weapon of mass exclusion. Increasing concerns of public opinion are...

We study how an optimal income tax and an optimal public-goods provision rule respond to preference and productivity shocks. A conventional Mirrleesian treatment is shown to provoke manipulations of the policy mechanism by individuals with similar interests. We therefore extend the Mirrleesian...

We analyze the optimal regional pattern of public employment in an information-constrained second-best redistribution policy showing that regionally differentiated public employment can serve as an expenditure side tagging device, bypassing or relaxing the equity-efficiency trade-off. The...