This paper surveys the literature on the relationship between international trade in goods and the factors and the environment. Traditional approaches based on the Heckscher-Ohlin trade model and more recent models looking at non-competetive market structures are discussed. Moreover, the paper...

The traditional trade theory predicts that trade in goods perfectly substitutes for direct movement of factors. This equivalence between goods trade and factor movements, however, depends crucially on assumptions about the production. This paper establishes necessary and sufficient conditions...