标准贸易模型
IntroductionPrevious trade theories have emphasized specific sources of comparative advantage which give rise to international trade: (先前的贸易理论强调了贸易的起比较优势的特定来源) 因——比较优势的特定来源) 比较优势的特定来源Differences in labor productivity (Ricardian model) Differences in resources (specific factors model and Heckscher-Ohlin model)
The standard trade model is a general model of trade that admits these models as special cases.(标准贸易模型是一个一般性的模型，而上述模型是标准 标准贸易模型是一个一般性的模型， 贸易模型的特例) 贸易模型的特例)5