We uncover conditions on the initial income and net foreign assets of potential union members such that forming a union is welfare-improving over standing alone in the world economy. Our model predicts that economic unions (i) occur relatively infrequently, and are more likely to emerge (ii)...

Which countries find it optimal to form an economic union? We emphasize the risk-sharing benefits of economic integration. Consider an endowment world economy model, where international financial markets are incomplete and contracts not enforceable. A union solves both frictions among member...

Which countries find it optimal to form an economic union? We emphasize the risk-sharing benefits of economic integration. Consider an endowment world economy model, where international financial markets are incomplete and contracts not enforceable. A union solves both frictions among member...

Which countries find it optimal to form an economic union? We emphasize the risk-sharing benefits of economic integration. Consider an endowment world economy model, where international financial markets are incomplete and contracts not enforceable. A union solves both frictions among member...

Which countries find it optimal to form an economic union? We emphasize the risk-sharing benefits of economic integration. We consider an endowment world economy model, where international financial markets are incomplete and contracts not enforceable. A union solves both frictions among member...

Which countries find it optimal to form an economic union? We emphasize the risk-sharing benefits of economic integration. We consider an endowment world economy model, where international financial markets are incomplete and contracts not enforceable. A union solves both frictions among member...

In this paper we provide a thorough characterization of the asset return implied by a simple general equilibrium production economy with convex investment adjustment costs. When households have Epstein-Zin preferences, there exist plausible parameter values such that the model generates...