When the factor endowments of two trading countries do not lie in the same diversification cone, trade in commodities may not reduce the international factor return differentials. This chapter specifies some conditions of the demand function in a two-factor, infinite-good model that guarantee...

The authors give a simple, constructive proof that the lens condition implies the factor price equalization condition when there are only two factors. Taking stock of the conditions under which the lens condition is equivalent to the factor price equalization condition, there are the conditions...