Empirical Study On The Relationship Between Supply Chain Concentration And Enterprise Innovation Performance

With the arrival of knowledge economy,the innovation ability of enterprises becomes the key to sustainable and stable development.Suppliers and customers are important stakeholders of enterprises,which effectively affect the financial expenditure,business strategy and many other aspects of the enterprise.Supply chain concentration is one of the important characteristics of enterprise supply chain,which has a profound influence on investment decision,performance and profit distribution.Therefore,more and more scholars focus on the impact of supply chain concentration on enterprises.However,through the collection of literature,it is found that the existing research on the impact of supply chain concentration on corporate behavior mainly includes: corporate financial behavior,corporate performance,audit,market response,earnings management and so on.There are few literatures on the relationship between supply chain concentration and enterprise innovation performance.This paper discusses the relationship between supply chain concentration and innovation performance of manufacturing listed companies from 2013 to 2017.Firstly,literature review and theoretical analysis are carried out,and hypotheses are put forward.Secondly,the evaluation index is selected according to the existing research literature,the model is constructed,the correlation analysis,the multiple collinear analyses,the regression analysis and the robustness test and analysis are carried out.The results show that: supplier and customer concentration is significantly negative correlation with enterprise innovation performance,it is means that the higher the supplier and customer concentration,the less innovation performance.Finally,it summarizes the conclusions,puts forward some feasible suggestions for enterprise management practice,limitations and research direction in the future.