I discuss the need for trade models to incorporate endogenous trade imbalances both to more adequately capture the reality of a global economy with large imbalances and pressures from the financial crisis for countries to reduce imbalances. Conventional general equilibrium trade models...

This paper examines the persistent deterioration in the international external position of the U.S. over the past 60 years. I develop a model without Ponzi schemes and arbitrage opportunities that accounts for both the secular rise and the cyclical variations in the U.S. international debt...