Consider firms each selling a range of products, when each consumer prefers to concentrate his purchases with a single supplier because of the `shopping costs' of using additional suppliers. If the firms offer different product ranges, some consumers will nevertheless use multiple suppliers to...

The constraints imposed upon the growth of LDC exports by international demand have been the subject of a long-standing controversy. In this paper we present estimates of manufactures export-demand functions for 23 LDCs. We focus first on the constraints that the international environment...

This paper studies the exchange rate between the East and West German mark in the period before German monetary union. We show that standard exchange rate theory contains strong predictions about the dynamics of the exchange rate under these circumstances, and we use state-space methods to...

In late 1979 Turkey found itself in the throes of a foreign exchange crisis, with widespread shortages, negative growth and three-digit inflation. A decade later, Turkey has a comfortable balance-of-payments situation, and holds considerable foreign exchange reserves. The economy has achieved a...

This paper studies the likely consequences of monetary unification among the EC members for the conduct of fiscal policy in the EC countries (and by an emerging Federal European Fiscal Authority). Among the conclusions are the following. If the Eurofed is to be independent, the external exchange...

The purpose of this paper is twofold: it analyses how far the external opening-up process of the Spanish economy that started with its integration into the EEC in 1986 has led to a higher effective degree of capital mobility; and it examines what kind of capital flows, exchange-rate pressures...

In a continuous time model of two symmetric open economies, with a floating exchange rate, we find that the pay-off to the policy coordination depends systematically on the heterogeneity of their inflation experience. While monetary policy coordination improves welfare when there is a common...

Widespread concern has been expressed that the costs of reducing environmental pollution in Eastern Europe will divert resources that would otherwise be available for industrial modernization. In fact, apart from a number of severely damaged areas, the general level of exposure to major...

This paper studies the effects of prohibiting individuals from holding foreign assets, and of allowing firms to trade in foreign assets only up to what is needed to finance export and import activities. Although firms can perform arbitrage between domestic and foreign financial markets, this...

This paper shows how in theory, if the contingencies in response to which it is imposed are fully anticipated, independently verifiable and not under government control, then saving and investment should not fall following the imposition of a capital levy. Nor should the government find it more...