This paper introduces the Granular Trade and Production Activities (GRANTPA) database, which covers international trade flows for 3,124 products and 247 countries over the period 1995-2019 as well as domestic trade flows and production data for the same number of products and years for a subset...

We quantify the partial and general equilibrium effects of GATT/WTO membership on trade and welfare. Using an extensive database covering manufacturing trade for 186 countries over the period 1980-2016, we find that the average impact of GATT/WTO membership on trade among member counties is...