김상호 2018-11-15T08:27:46Z 2018-11-15T08:27:46Z 1994-11 JRD17-1-07 http://repository.krei.re.kr/handle/2018.oak/15841 KREI Factor Abundance Theory in Vertically Differentiated Products Factor Abundance Theory in Vertically Differentiated Products KREI 논문 Kim, Sangho