| With the development of world economy,the vertical division of labor of world trade has been deeply carried out in the global scope.Especially since the 21st century,the process of global industrialization has been further accelerated,and the reconstruction of global value chain has taken place.In this context,the economic and trade competition of regional integration is becoming increasingly fierce between developed countries and emerging economies.Since the reform and opening up,along with the domestic economic system reform and the pace of opening up,China’s economy has also been rapid development.By 2022,China has been the world’s largest trading nation for six years,with trade in goods worth more than RMB 4 billion.However,the large scale of trade does not fully explain the superior quality of China’s external economy.The main way of China’s foreign trade is processing trade.However,although processing trade generates large export scale,the benefits are weak.In the long run,China is easy to be fixed in the middle and low end of the value chain.Therefore,the need to upgrade the status of global value chain from "Made in China" to "created in China" is particularly urgent in this situation.The 20th National Congress of the Communist Party of China held in 2022 made it clear that the development of China’s foreign economy cannot be achieved without the optimization of trade structure,and only by strengthening general trade can we steadily increase the added value of export.In addition,the path to optimize foreign trade will focus on the improvement of processing trade,and on this basis,improve the position of enterprises and industries in the global value chain,build a reasonable trade system,so as to further deepen the country’s participation in the global value chain,optimize the trade structure and strategic layout in the domestic and foreign markets.In today’s global value chain restructuring,it is very necessary to study and analyze the current situation of China’s export and its influence mechanism from the micro-perspective of enterprise heterogeneity,so as to improve the added value of China’s export and optimize the export structure.This study follows the basic idea of "theoretical research--current situation analysis--empirical test--countermeasures and suggestions".The whole paper is divided into five chapters: Chapter one,the research background,significance,definition of related concepts,literature review,research ideas,research methods,innovation and shortcomings of this paper are summarized and summarized;In Chapter 2,based on the theoretical basis,on the basis of the theory of enterprise heterogeneity and the micro-theory of measuring enterprise export added value,the influence and theoretical mechanism between it and the added value of export trade are analyzed,so as to provide a powerful theory for the subsequent empirical study.Chapter three,through the analysis of the change trend of China’s export trade,export added value overall and sub-industries in this period,and through the analysis of the change trend,roughly analyze the problems of China’s foreign trade in this period;The fourth chapter selects relevant data,puts forward variable selection and measurement,and selects the method of calculating the added value of China’s exports required in this paper according to relevant variables and China’s national conditions,defines the data sources and selection methods,and then builds the econometric model and conducts empirical analysis to ensure the reliability of the research results.Chapter five summarizes the main conclusions of this paper,and puts forward targeted countermeasures and suggestions from the perspective of further optimizing the structure of Chinese enterprises and export value-added structure.In this paper,based on the background of global value chain restructuring,under the framework of new trade theories and from the perspective of firm heterogeneity theory,the influence mechanism and mutual relationship of the added value of Chinese export enterprises will be discussed.At the same time,on this basis,this paper will also analyze the development process and new trend of global value chain,as well as the current situation of China’s export trade and export added value,and analyze the added value of different industries,so as to explore the improvement of China’s export added value and the feasible path of China’s status in the global value chain.From the perspective of firm heterogeneity,this paper studies the overall export structure and internal input composition of export products in multiple dimensions and studies its influence on the added value of export trade,which is conducive to longitudinal analysis of export products from the perspective of international division of labor and participation degree,so as to show the actual economic effect of China’s trade more appreciably and accurately.At the same time,for a developing country like China,it is of certain practical significance to study the relationship between enterprise heterogeneity and export added value structure,explore ways for China to improve export added value and optimize foreign trade structure,so as to provide new ideas and beneficial references for the optimization and upgrading of Chinese enterprise type structure and export structure. |
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