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 aging of the population shakes the confidence in the economic viability of pay-as-you-go social security systems. We demonstrate how in a political-economy framework the shaken cofidence leads to the downsizing of the social security-system, and to the emergence of supplemental individual...

The paper highlights key considerations necessary for the analysis of international tax competition and the desirability of international tax harmonization. The analysis of a Nash-Cournot international tax competition is carried out for (1) competing countries that cannot exercise significant...

Skilled migrants typically contribute to the welfare state more than they draw in benefits from it. The opposite holds for unskilled migrants. This suggests that a host country is likely to boost (respectively, curtail) its welfare system when absorbing high-skill (respectively, low-skill)...

Over the years, there emerged two key policy differences between Europe and America, both welfare and migration-states. The former has more generous welfare state and more liberal migration policies than the latter. In this paper we attempt to provide a political-economy explanation for these...