Bernard, Andrew B.; Jensen, J. Bradford; Schott, Peter K. - 2021
-Ohlin trade model, we ask whether all the regions in the US face the same relative factor prices. Using the production side of the … HO model, we derive a general test of relative factor price equality that is robust to unobserved regional productivity … differences, unobserved regional factor quality differences, and variations in production technology across industries. Using data …