High levels of trade costs persist in the world trading system, despite recent progress in tariff reduction, trade facilitation, and logistics. At least some of these costs can be attributed to non-tariff measures (NTMs), policies imposed by governments other than ordinary customs duties which...

This paper identifies the effect of trade policy on market power through new data and a new identification strategy. It uses a large data set containing export values and quantities by product and destination for all exporting firms in 12 developing and emerging countries over several years,...