The promoting effect of the construction of maritime power on the high quality economic development of coastal cities:an empirical analysis based on the Difference-in-Difference method
In order to explore the impact of the construction of a maritime power on the high quality economic development of China's coastal cities,the Difference-in-Difference method is used to analyze the economic development quality of China's coastal cities from 2005 to 2020,and its effect is obtained.The results show that:(1)The construction of a maritime power can promote the economic development quality of coastal cities.(2)The promotion effect of the construction of maritime power on the economic development quality of coastal cities is the largest in the southern region,followed by the northern region,while the promotion effect in the eastern region is not significant.Based on the above analysis,the following suggestions are put forward for the construction of a maritime power and high quality economic development:(1)Deepen the construction of a maritime power and promote the high quality development of cities.(2)Optimize the industrial structure and differentiate the strategy of maritime power.(3)Reasonably allocate resources and promote the coordinated development of urban quality.(4)Increase investment in the construction of a maritime power.
maritime powerhigh quality developmentDifference-in-Difference methodcoastal citiescoastal city