| "Collaborative Development Strategy of Beijing-Tianjin-Hebei", putting forward by the Party Central Committee, is a significant policy for the future as well as a practical activity of the "Five Development Concept". Under the background of this strategy, coordinated development of human capital in Beijing-Tianjin-Hebei region has a positive meaning in that it is not only the direction and result but also the foundation and guarantee for this region.This paper constructs, using the concept of "coupling" in physics for reference and based on the characteristics of interdependence and mutual influence between human capital agglomeration effect and overflow effect, the theoretical framework of coupling mechanism covering the two effects. Meanwhile, with the help of panel data from 1996 to 2013, we calculate the total amount and growth rate of human capital from four dimensions -- education capital, technology capital, cultural capital and health capital -- in this region. Besides, we can show the space dynamic evolution with MapInfo software. Then, we estimate human capital agglomeration and overflow effect index as well as discuss its dynamic change. After that, from the two aspects development degree and coordination degree, we analyze the coupling effect on the basis of theoretical model. Finally, through adding the variable of comprehensive human capital into C-D production function and using fixed effect and panel threshold model, we analyze the change situation of human capital economic utility under the influence of agglomeration-overflow effect.Research results indicate that, after 18 years of dynamic evolution, the region had formed spatial distribution pattern that is the north and south area in low and the central area in high and low mixed in terms of human capital overall amount, and Beijing, Tianjin and Shijiazhuang had formed "human capital highland" gradually in this region. Also, the growth rate of human capital is in unbalanced development situation -- the higher level of economic development, the higher growth rate of human capital, and "Matthew effect" resulted in widening regional gap. In development level of agglomeration-overflow effect, the region formed geographic space pattern "strong in the center and weak in the north and south areas" gradually; and in coordination level, the city were divided into three types --agglomeration type, coordination type and overflow type. Finally, we find that human capital investment had, instead of other factors like capital and labor, become the most important cause of economic growth when researching into the economic effect of human capital in this region. In addition, the impact of human capital on economic growth had a complex nonlinear relationship, and also existed threshold effect and optimum interval, namely the role of human capital investment for the national economic growth presented an inverted U-shaped under the influence of human capital agglomeration-overflow effect.Based on the above research, this paper puts forward four countermeasures to promote the coordinated development level of human capital in Beijing-Tianjin-Hebei region. First, to make different human capital plannings on the basis of urban function orientation and industry layout. Second, to improve talent policies of gold content as well as optimize the soft environment for human capital agglomeration. Third, to bring knowledge spillovers into full play and introduce talent and intelligence with both rigid and soft strategy. At last, to realize the rational allocation of human capital in the region and avoid waste of talent resources and unordered competition as well. |
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