Recent work in international economics provides insights into the measurement of product variety change - i.e., the change at the extensive margin of trade - and its consequences for a country's welfare. In such work, the measurement of product variety change is typically taken as given. There...

Recent work in international economics provides insights into the measurement of product variety change - i.e., the change at the extensive margin of trade - and its consequences for a country's welfare. In such work, the measurement of product variety change is typically taken as given. There...