This paper investigates whether it is possible to find Pareto-improving commodity tax reforms that harmonize taxes between two countries when governments supply public goods and thus have revenue requirements. To focus on the basic issues, we consider a Ricardian model of trade with elastic...

How do foreign interests influence the policy determination process? What are the welfare implications of such foreign influence? In this paper we develop a model of foreign influence and apply it to the study of optimal tariffs. We develop a two-country voting model of electoral competition,...

This Paper deals with collective decision making within a group of independent jurisdictions. The right to choose the public policy is delegated from the central authority of one of the jurisdictions through a bidding procedure among the group members. We identify the following trade-off:...

We study how norms can solve distributional conflict inside a clan and the efficient coordination of collective action in a conflict with an external enemy. We characterize a fully non-cooperative equilibrium in a finite game in which a self-enforcing norm coordinates the members on efficient...

The EMS's robustness in the face of stochastic shocks is studied, using the Liverpool World Model and the optimal strategy algorithm of Brandsma and Hughes Hallett. The EMS began life in 1979 with a system design permitting regular parity changes; we find this design to be relatively unstable,...

A fundamentals-based monetary policy rule, which would be the optimal monetary policy without commitment when private agents have perfectly rational expectations, is unstable if in fact these agents follow standard adaptive learning rules. This problem can be overcome if private expectations are...