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在二战后的国际贸易中,工业化国家之间的制造业产品的交易量巨大,这种产业内贸易现象的出现,在一定程度上对传统的赫克歇尔-俄林-萨缪尔逊贸易模型产生了冲击和质疑。经济学家从多个角度寻求对这种现象的理论解释,并开始注意产品差别化及其对规模经济的影响,但是,这些研究对贸易理论的影响很小,并且解释现实的能力也很弱。因此,把差别化的生产资料作为研究的重点,在国际收益的框架下,建立模型以推出国际规模收益,并且运用这一模型得出了国际规模收益、传统的国内规模收益和要素禀赋论之间的关系。
In the post-World War II international trade, the volume of manufacturing products traded between industrialized nations was huge, and the emergence of intra-industry trade, to some extent, to the traditional Heckscher-Ohlin-Samuelson trade The model produced shocks and questions. Economists seek theoretical explanations of this phenomenon from multiple perspectives and begin to pay attention to product differentiation and its impact on economies of scale. However, these studies have had little effect on trade theory and have weak ability to explain reality . Therefore, taking the differentiated means of production as the focus of research, we set up a model to launch the international scale returns under the framework of international returns. Using this model, we can draw the conclusions that international scale returns, traditional domestic returns and factor endowments Relationship between.