Research on evolution of regional logistics hub in Beijing-Tianjin-Hebei based on time series

The collaborative development of Beijing-Tianjin-Hebei region is a major development strategy of the country. This paper takes the annual freight volume of 13 cities in Beijing, Tianjin and Hebei Province from 1997 to 2017 as the basis, introduces the Herfindahl index model and amend it to research the evolution process of the three logistics regions in Beijing, Tianjin and Hebei. The results show that the development trend of the dual core hub-and spoke regional network centered on Beijing-Tianjin is relatively obvious. It is proposed that making Beijing-Tianjin-Hebei collaborative management as an opportunity to focus on the construction of core hub city, within the scope of radiation driven by logistics area space restructuring form city to city logistics industry development, to provide the new development ideas for the future Beijing-Tianjin-Hebei regional logistics network construction.