Past empirical failures of the basic Heckscher-Ohlin-Vanek (HOV) model related to the inability of data to meet its restrictive assumptions, particularly identical international technologies and factor price equalization. Trefler (1993) tried to resuscitate HOV by introducing a simple...

This paper examines how production techniques differ across countries, factors, and industries and considers its implications for previous empirical evidence on the Vanek prediction. I find that production techniques differ substantially across countries and factors, but differ much less across...