| 供给侧改革视阈下中国制造业的知识溢出效应 |
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| 引用本文： | 杨丽君.供给侧改革视阈下中国制造业的知识溢出效应[J].科研管理,2019,40(10):161-168. |
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| 作者姓名： | 杨丽君 |
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| 作者单位： | 西南政法大学经济学院,重庆,401120 |
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| 基金项目： | 国家社科基金重大项目;国家社科基金青年项目 |
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| 摘 要： | 经济理论服务于经济实践，目前需要理论上为中国的供给侧改革提供更多的经验借鉴。本文对三个知识溢出效应指标，结合制造业进行了新的概念界定。把一些经典的经济学理论应用到本文的研究主题上，构建了全新的适合“中国本土”的理论研究框架。实证分析采用三维动态模型，摒弃了传统的二维静态模型。通过定量分析，找出问题的症结所在，进而有针对性地提出解决之策，以指导实践。政策建议中提出了以下主要观点：制造业空间“热点”和“冷点”的集聚，在更大空间范围上，正是“热冷”的空间异质性表现；为区域经济增长的锁定效应解锁，需要依靠政府更有力的制度供给；时间性制度滞后变量影响不显著，需要更为关注人为因素的制度滞后所导致的制度供需结构性矛盾；制造业的专业化、市场化和区域之间的合作有利于知识溢出；发挥内在经济与外在经济效应，加快制造业向创新驱动型转变；制造业垂直纵深升级发展等。供给侧改革中产业结构调整出现的失业问题，政府不应缺位，提出“予千金”，不如“授一技”的观点，来避免失业率的大幅上升。
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| 关 键 词： | 供给侧改革 制造业升级 知识溢出效应 空间相关性 制度供给 |
| 收稿时间： | 2016-10-18 |
Knowledge spillover effect of China’s manufacturing industry from the perspective of supply-side reform |
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| Yang Lijun.Knowledge spillover effect of China’s manufacturing industry from the perspective of supply-side reform[J].Science Research Management,2019,40(10):161-168. |
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| Authors: | Yang Lijun |
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| Institution: | School of Economics, Southwest University of Political Science and Law, Chongqing 401120, China |
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| Abstract: | China’s supply-side reform will promote the optimization of industrial structure from production, and thus its manufacturing industry is facing transformation and upgrading. It needs to be supported by more advanced production elements for the sake of its transformation from “Made in China” to “Mind in China”, therefore that can not be separated from the accumulation of knowledge accordingly. Knowledge spillover effect refers to the diffusion and recreation of knowledge, which is closely related to growth. The knowledge spillover effect makes an internal connection with the upgrading of manufacturing industry, and there are different sources of knowledge spillover effect in various types of manufacturing upgrading. Because the knowledge spillover effect of manufacturing industry is produced in the process of production, this paper builds the dynamic spatial econometric model based on the revised logarithmic Cobb Douglas production function, considering differences between the eastern, central and western China as well as institutional supply factors.
This paper inclines innovatively to the view that the upgrading of manufacturing industry can be divided into two ways on the basis of the smile curve, and together with these, the results of theoretical analysis have indicated that: First of all, the supply side of manufacturing industry includes not only the supply of institution but also essential productive factors, and as a result of the interaction between governmental behavior and market mechanism, dynamic effects in light of time are produced ultimately. What’s more, different proportion or quantity of the essential productive factors decide on different modes or scale of production. That, in turn, product output and upgrading of manufacturing will be affected too. Furthermore, knowledge spillover effect is becoming indispensable to the process of production. If there is a virtuous circle between knowledge spillover effect and technological innovation, it will help to promote the upgrading of manufacturing industry. Last but not least, as far as the space is concerned, the upgrading process of manufacturing industry involves the adjustment within the same industry along with the linkage between different industries, and then, the sources of knowledge spillover in manufacturing industry are also different. Where time is concerned, then, in the light of the importance of specialization in improving early efficiency, both MAR spillover and Poter spillover play more important roles than Jacobs spillover in the early stage of industrial development. In case the industry makes development gradually until grows up, at this point Jacobs spillover will play a more prominent role.
The results of the empirical analysis from 2010 to 2014 have shown that: Above all, there was a positive auto correlation in the progress of the manufacturing growth, that is, so called agglomeration of “hot spots” and “cold spots”. In the mean time, there were very significant positive effects of institutional supply, labor and capital of the traditional production factors made on the growth of manufacturing industry. However, the knowledge spillover effect was not significant in the eastern China.What’s more, the significant positive MAR spillover was greater than that of the Poter spillover in the central China, therefore a conclusion was drawn that it’s influence of the specialization of knowledge spillover effect was greater than that of competition. Many manufacturing enterprises in the eastern China have transferred to the central and the western China, nevertheless, it is common knowledge that most of these manufacturing enterprises are limited in the technical level as well as their technology is easy to be imitated, so that it is conducive to the development of MAR spillover in the central and the western China and it will promote the growth of manufacturing industry in the short term as well. Furthermore, the coefficients of Jacobs spillover were the smallest and the least significant among the three indicators of knowledge spillover effect, consequently the more specialized production was more favorable than the more diversified environment. Moreover, the significant positive Jacobs spillover originated from the western China. In spite of the poor level of specialization of manufacturing industry in the western China, which is not as good as that of in the central China, the knowledge spillover effect caused by the diversification and competition of environment taking a prominent effect on its manufacturing industry in the western China. Finally, the significant positive Poter spillover originated from the central China. As is well known that although many manufacturing enterprises in the central China lie in the low-end position of global production chain, and the ability of independent innovation is very weak still, in addition their ability to resist risks is very poor. Yet the knowledge spillover effect will be enhanced ultimately by means of opening up and fierce competition, which will also be conducive to the growth of manufacturing industry.
In the light of the results of empirical analysis, the following policy recommendations are put forward: First of all, if the government’s institutional supply can promote effectively the matching supply with demand in the market, the economic rent of enterprises can be increased naturally. Just owing to the low quality of essential productive factors in many central and western provinces of China, the requirements of modern high-end manufacturing cannot be met, thus it is necessary to improve the quality of essential productive factors in order to speed up the upgrading of manufacturing industry. The next, due to the high cost and high risk of independent innovation, the protection of intellectual property rights should be strengthened in line with different areas together with various stages of development. It should be planned by the government as a whole so as to promote cooperation among the provinces in the eastern, central and western China, and to internalize the externalizations of knowledge spillover effect, in addition, the eastern China should supply the capital, talents, knowledge and technology to the central and the western China. Once more, for the knowledge spillover effect of China’s central and western regions was more significant than that of China’s eastern regions, in the mean while, the former played a greater role in promoting the manufacturing industry than the latter. For these reason, technical cooperation with developed countries or regions should be further enhanced. In conclusion, the upgrading of manufacturing industry should give a full play to the internal and external economic effects. In consideration of the significance of the knowledge spillover effect of manufacturing industry in the central China, enterprises can achieve higher production standards by the aid of intra-industry specialization in the central China, which in favor of the internal economic effects. |
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