Leontief paradox CoP Labor content in U.S. exports LiE=l′*B*E Capital content in U.S. exports: KinE=kbe Labor content in U.S. imports LinM=1′兴BM Capital content in U.S. imports: KinM=kB*M where I and k' show labor and capital input per unit of output in each U.S. industry LinE P arado. for the us in 1947 Kine Kin Leontief, wassily(1953),"Domestic Production and Foreign Trade; The american Capital Position Re-Examined", Proceedings of the American Philosophical Society, 97(4): 332-499 CoPS Leontief paradox Labor content in U.S. exports: L E *B*E in = l Capital content in U.S. exports: K E B*E in k * =  Labor content in U.S. imports: L M *B*M in = l Capital content in U.S. imports: K M B*M in k * =  where l  and k show labor and capital input per unit of output in each U.S. industry Paradox: L E L M K E K M  in in in in Leontief, Wassily (1953), “Domestic Production and Foreign Trade; The American Capital Position Re-Examined”, Proceedings of the American Philosophical Society, 97 (4): 332–49. for the US in 1947