countries and 332 European regions. We find that two countries trade more with each other when they are more socially connected … and when they share social connections with a similar set of other countries. The social connections that determine trade … on trade declines substantially, and the effect of country borders disappears. Our findings suggest that social …

International trade is subject to information incompleteness. Firms must therefore engage in a costly search process to …

countries and 332 European regions. We find that two countries trade more with each other when they are more socially connected … and when they share social connections with a similar set of other countries. The social connections that determine trade … on trade declines substantially, and the effect of country borders disappears. Our findings suggest that social …