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本文基于新贸易理论的研究框架,围绕动态规模经济这一核心概念,结合技术溢出水平和市场结构的不同特征,构建了一个动态规模经济、技术溢出、市场结构和产业国际竞争力相互作用的模型,试图解释相关要素对产业国际竞争力产生影响的机制和动态过程。模型显示,动态规模经济、技术溢出水平和市场结构相互作用决定一国的产业国际竞争力;扩大技术引进规模并不一定提高产业国际竞争力;一个国家的劳动力供给越充裕,相对工资越低,暂时的保护有利于更快地培育一个产业的竞争优势。作者利用中国21个产业1998～2006年的面板数据对理论模型进行了经验检验,回归结果支持模型结论。
Based on the research framework of the new trade theory and focusing on the core concept of dynamic economies of scale, this paper constructs a model of the interaction between dynamic economies of scale, technology spillovers, market structures and international competitiveness of industries by combining the different features of technology spillovers and market structures. , Trying to explain the mechanism and dynamic process that the relevant factors have impact on the international competitiveness of the industry. The model shows that the dynamic economies of scale, the level of technological spillovers and the interaction of market structure determine the international competitiveness of a country’s industries. Expanding the scale of technology introduction does not necessarily increase the international competitiveness of industries. The more a country’s labor supply is, the lower the relative wage, Temporary protection helps to foster an industry’s competitive advantage faster. The author uses the panel data of 21 industries in China from 1998 to 2006 to test the theoretical model, and the regression results support the conclusion of the model.