An epidemiologist calculating the risk of a localised epidemic becoming a global pandemic would investigate every possible channel of contagion from the infected region to the rest of the world. Focusing on, say, the incidence of close human contact would underestimate the pandemic risk if the...

In recent years, the theory of rules and discretion in monetary policy has fascinated scores of academic economists and policymakers alike. This paper asks whether it can be applied to understand the history of the world monetary system, by focusing on the setup and the experience of the Bretton...

The paper discusses the policy problems of a project aimed at substituting several national currencies with one single currency. While these problems are of general interest, the analysis is motivated by the plan for Economic and Monetary Union among the members of the European Community. The...

This paper studies the fluctuations of foreign exchange reserves under a regime of credibly fixed exchange rates. The paper considers a variety of assumptions on the determinants of money demand and currency substitution

This paper defines two competing hypotheses on the working of fixed exchange rates. The "symmetry" hypothesis states that every country is concerned with the good functioning of the system, and cannot afford to deviate from world averages. Every country is just left to follow the rules of the...

This paper studies the evidence on the conditional covariances between the German wholesale price level and the Deutsche mark exchange rate in the short run and in the long run. I rely both on an unrestricted time-series model, and on a structural Mussa-Dornbusch model. The results from...

This paper studies the welfare effects of international investment to evade domestic taxes on domestic investment income. Capital mobility for tax evasion eliminates distortions in the intertemporal allocation of consumption, but introduces distortions in domestic production. Conversely, a...