We develop a stylized EU-type model of a union consisting of rich, capital-abundant and high productivity countries, and poor, capital-scarce and low productivity countries. We address two main issues: the efficiency of tax competition and the effect of factor mobility on the size of the welfare...

The behavior of taxes on capital income in the recent decades points to the notion that international tax competition that follows globalization of capital markets put strong downward pressures on the taxation of capital income; a race to the bottom. This behavior has been perhaps most pronounced...

We develop a political-economy model of economic union and compare the competion regime to the coordination regime. Key policy differences emerge between the two regimes: concerning the generosity of the welfare state and the skill composition of migration. We argue that the differences between...