Kemp, Murray C.; Van Long, Ngo - In: Handbook of international economics : volume 1, (pp. 367-417). 1984
Much of the modern long-run theory of international trade derives from what has come to be called the 2 x 2 or HeckscherOhlin model of production; and the rest of the theory derives from straightforward extensions of that model achieved by the accommodation of additional factors and products and...