The global financial crisis which erupted in the United States instantaneously swept across Europe. Like the United States, the European Monetary Union (EMU) was ripe for a crash. It had its own real estate bubble, specifically in Ireland and Spain, indulged in excessive deficit spending,...

In recent years the world economy has been subject to large and unsyncronized changes in fiscal policies, high and volatile real rates of tnterest, large fluctuations in real exchange rates, and significant variations in private-sector spending. This paper reviews some of the key facts...

It is often argued that tax competition may lead to a "race to the bottom". Such a race may hold indeed in the case of the pure case of factor mobility (such as capital mobility). However, in this paper we emphasize the unique feature of labor migration, that may nullify the "race to the bottom"...

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...

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...

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...