The paper provides a general-equilibrium model where incomplete international financial markets lead to insufficient industrial specialization and low international trade. As international portfolio diversification is limited and productivity is uncertain, investors wish to maintain a...

The paper investigates whether deviations from the law of one price can attributed to real factors, such as transportation and distribution costs. Even if trade is costly, the prices of a good at di.erent locations will be linked as long as the good is traded. Instead of the usual iceberg...

Exporters are few-less than one-fifth among U.S. manufacturing firms-and are larger than non-exporting firms-about 4-5 times more total sales per firm. These facts are often cited as support for models with economies of scale and firm heterogeneity as in Melitz (2003). The authors find that the...

The theory of geographical markets is based on the notion that economic activity is not evenly spread and regional inequalities have an impact on the decisions of economic agents. Retail gasoline markets are almost perfect examples of geographical markets. The gasoline sold by the stations is a...