| The Yangtze river delta is the most active and open region in China.With the development of the sports industry,the Yangtze river delta region has ushered in a new round of industrial renewal,and the degree of regional cooperation has gradually deepened,making an important contribution to the national economy.The research on the structure optimization of the sports industry in the Yangtze river delta region is the inevitable requirement of the national regional integration development strategy,the actual need of the internal development of the sports industry,and the development demand of the sports industry optimization in the Yangtze river delta region.Today,China is vigorously promoting the high-quality development of the sports industry.The structural optimization of the sports industry not only meets the requirements of the national supply-side structural reform,but also represents the development law of the sports industry.In this paper,the theoretical basis was sorted out in detail by means of literature review,expert interviews,expert questionnaires and other methods to obtain the influencing factors for the structural optimization of the sports industry in the Yangtze river delta region.Finally,the system dynamic model was used to simulate and optimize the path.First,based on the industrial structure theory,the evolution mechanism of the sports industry structure was sorted out,and the regional sports industry structure and the current situation of the industry structure were analyzed with the added value data of the sports industry in the Yangtze river delta region from 2015 to 2017.The results show that the structure of the sports industry in the Yangtze river delta region develops from the secondary industry to the tertiary industry,and the sports service industry develops well,but there is a big gap with the developed countries.The development of the inner core layer is poor,and it is still dominated by the outer layer,which is not conducive to the development of the sports industry.There are some problems such as the degree of softening of sports industry structure to be improved,the weak development of the core layer of sports industry structure,and the big difference in the distribution of regional sports industry structure.Secondly,in order to explore the path to optimize the structure of sports industry in the Yangtze river delta region,a system dynamic model and a simulation development path are established.A causal diagram was used to show the logical relationship among variables,and a structural flow diagram was established to optimize and simulate the structure of the sports industry in the Yangtze river delta.The results showed that when the investment in sports funds changed,the change rateof sports fitness,leisure,sports training and education was more obvious,while the changes of sports intermediaries and venue services were not significant.When the supply of sports innovation changes,the sensitivity of sports competition performance,sports training and education becomes stronger.The changes in sports support policies are still more sensitive to sports competition performance,sports training and education,and sports fitness and leisure,but the changes caused by the support policies are larger than the innovative supply.The changes of sports capital investment,sports innovation supply and sports support policies cause the changes of sports industry structure in the Yangtze river delta region,which further promote the GDP of the region.Under the simulation of the system dynamic model,the path of optimizing the structure of sports industry in the Yangtze river delta region is obtained,that is,accelerating the development of sports service industry and constantly optimizing the industrial structure.We will continue to tap the potential of core businesses and gradually upgrade the service sector.We will increase input into factors of production and strengthen regional cooperation and integration.Finally,based on the model results,it proposes to deepen regional cooperation and consolidate the existing development achievements.Strengthen the strength of guidance,constantly optimize the industrial structure;Give play to the policy joint force,realize the policy proposal of the structure coordinated development,and make the research prospect. |
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