Wang, N.N., 2020. Analysis of influence factors of China-ASEAN economic cooperation: A perspective of economic coupling. In: Qiu, Y.; Zhu, H., and Fang, X. (eds.), Current Advancements in Marine and Coastal Research for Technological and Sociological Applications. Journal of Coastal Research, Special Issue No. 107, pp. 388-392. Coconut Creek (Florida), ISSN 0749-0208.

The study of economic coupling between two regions is a hot topic in regional economics, and also a hot topic in the field of international trade. The evaluation index of economic coupling between the two places is the core and key to study this problem, and is also the major indicator related to the scientific of the evaluation results. This paper takes the economic coupling between Beihai of China and Haiphong of Vietnam as the research object, constructs the multiple regression equation of the economic coupling between the two places by using the multiple linear regression method, and gives the correlation coefficient analysis and the statistical test of the regression model based on SPSS software. Empirical research finds that the coordination degree of per capita GDP, output value of the third industry and per capita green space area are the important indicators that affect the economic coupling of the two places.