When central banks are about to relinquish control over their exchange rate and enter into a currency union, the reptutational costs to devaluation are very low. As with any finite-horizon game, the endpoint affects the earlier expectations of private agents, here causing them to demand higher...

This paper presents a simple general equilibrium model of two countries using a common currency. The goal is to study how the monetary arrangement influences the optimum financing of a public good. If the two countries are allowed to print the common currency autonomously, they will finance...