_____ 1954 study of U.S trade patterns showed that U.S exports were labor-intensive compared with U.S imports, even though the United States was widely regarded as a relatively capital-abundant nation ?

by
_____ 1954 study of U.S trade patterns showed that U.S exports were labor-intensive compared with U.S imports, even though the United States was widely regarded as a relatively capital-abundant nation ?

A. Paul Samuelson’s
B. Wolfgang Stolpher’s
C. Staffan Linder’s
D. Wassily Leontief’s