A large body of empirical research finds that a pair of regions within a country tends to trade 10 to 20 times as much as an otherwise identical pair of regions across countries. In the context of the standard trade models, the large "border effect" is problematic, because it is consistent only...

Recent empirical research finds that pairs of countries with stronger trade linkages tend to have more highly correlated business cycles. The authors assess whether the standard international business cycle framework can replicate this intuitive result. They employ a three-country model with...