We investigate the possibility that the large current account deficits of the U.S. are the outcome of optimizing behavior. We develop a simple long-run world equilibrium model in which the current account is determined by the expected discounted present value of its future share of world GDP...

We investigate the effects of higher tariffs on the current account.Tariffs may increase or decrease investment depending on the capital intensity of the sector protected. We find that ther esponse of saving to tariffs issensitive to the modelling of saving behavior. In a model in which...