The paper presents a general equilibrium model of a pure exchange economy with stochastic endowment in which speculation is profitable and stabilizes prices, but is useless from a welfare point of view. Reconciling the Siegel paradox with the theory of incomplete markets we show that banning...

Germany is the laggard of Europe, yet the country is world champion in merchandise exports. The paper tries to solve this theoretical and empirical puzzle by diagnosing a ’pathological export boom’and a ’bazaar effect’. Excessively high wages defended by unions and the welfare state...

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...

While the old systems competition took place with closed borders, globalisation has brought about a new type of systems competition that is driven by the mobility of factors of production. The new systems competition will likely imply the erosion of the European welfare state, induce a race to...