The sustained rise in US current account deficits, the stubborn decline in long-run real rates, and the rise in US assets in global portfolios appear as anomalies from the perspective of conventional models. This paper rationalizes these facts as an equilibrium outcome when different regions of...

Relative cross-border retail prices, in a common currency, comove closely with the nominal exchange rate. Using product-level prices and wholesale costs from a grocery chain operating in the United States and Canada, we decompose this variation into relative costs and markup components. The high...

Speculative attacks on a pegged exchange rate must sometimes occur ifasset-price paths are to be free of abnormal profit opportunities. Suchattacks are fully rational, as they reflect the market's response to aregime breakdown that is inevitable. The authors shows that under someexpectations...

This paper develops a continuous-time stochastic model in which international risk-sharing can yield substantial welfare gains through its effect on expected consumption growth. The mechanism linking global diversification to growth is an attendant world portfolio shift from safe low-yield...

Several puzzling aspects of the behavior of United States stock prices may be explained by the presence of a specific type of rational bubble that depends exclusively on aggregate dividends. The authors call bubbles of this type "intrinsic" bubbles because they derive all of their variability...