This paper studies the intangible costs of international trade by extending the basic gravity equation with measures of cultural and institutional distance, and institutional quality. Analyzing a sample of bilateral trade flows between 92 countries in 1999, we find that institutional distance...

World trade evolves at two margins. Where a bilateral trading relationship already exists it may increase through time (intensive margin). But trade may also increase if a trading bilateral relationship is newly established between countries that have not traded with each other in the past...