Gravity as both fact and theory is one of the great success stories of recent research on international trade, and has featured prominently in the policy debate over Brexit. We first review the facts, noting the overwhelming evidence that trade tends to fall with distance. We then introduce some...

Gravity as both fact and theory is one of the great success stories of recent research on international trade, and has featured prominently in the policy debate over Brexit. We first review the facts, noting the overwhelming evidence that trade tends to fall with distance. We then introduce some...

A structural gravity model is used to estimate barriers to services trade across many sectors, countries, and time. Since the disaggregated output data needed to infer border barriers flexibly are often missing for services, this paper derives a novel methodology for projecting output data. The...