世界银行：变革的种子：印度引进Bt棉花的影响（英文版）

Although many studies have examined the factors affecting structural transformation, the role of relative factor endowments has not been extensively explored. This paper examines the effects of the introduction of Bt cotton in India and finds substantial increases in cotton output and the land allocated to growing it. The effects diminish as the ratio of labor-to-land increases. This suggests that when inputs are complementary and technological change is labor augmenting, the relative scarcit