The eastern expansion of the EU resembles German unification in its momentousness. Whereas the latter led to a 26% increase in the population of the Federal Republic, the former will increase the population of the EU by 28% if all ten entry aspirants are accepted. A special problem will be posed...

Germany is in a dilemma. Low wage competition via product and factor markets increases the demands on the welfare state, but increased systems competition in the context of international factor mobility reduces the possibilities of maintaining it. The welfare states has important allocation...

It is shown that the net fiscal externality created by an additional member of a Pay-as-you-go-pension system that is endowed with individual accounts equals the gross contribution of this member. In Germany, this is an amount of about DM 175,000. The paper uses this information to design a...

The paper deals with the effects of migration resulting from EU Eastern enlargement on the welfare states of Western Europe. Although migration is good in principle, as it yields gains from trade and specialization for all countries involved, it does so only if it meets with flexible labour...

Germany is in a dilemma. Low wage competition via product and factor markets increases the demands on the welfare state, but increased systems competition in the context of international factor mobility reduces the possibilities of maintaining it. The welfare state has important allocative...

The paper studies the role of international implications after EU enlargement. Based on a formal model with migration costs for both capital and labor, it predicts a two-sided migration from the new to the old EU countries which is later reversed. As the migration pattern chosen by market forces...