One of the best established empirical results in international economics is that bi-lateral trade decreases with distance. Although well-known, these results have not been systematically analyzed before. We examine 1052 distance effects estimated in 78 papers. Information collected on each...

This chapter focuses on the estimation and interpretation of gravity equations for bilateral trade. This necessarily involves a careful consideration of the theoretical underpinnings since it has become clear that naive approaches to estimation lead to biased and frequently misinterpreted...