The dependency on imported soybeans has become a serious problem in maintaining food security in Indonesia. The specific objectives of this study are: To determine factors that affect the import demand for soybeans, to analyze the effects of import tariff on the soybean industry, to estimate the producers' surplus, and to analyze the productivity of soybean farming. In this study, the world market model of soybean industry is estimated by utilizing the two stages least squares method. Total Factor... Mehr