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基于制度观IBV理论,采用2006—2013年6 854家沪深A股和中小板上市公司混合截面数据实证分析国家创新体系对企业研发投入的影响,OLS模型回归的结果显示:国家创新体系与下一期企业研发投入显著正相关,资本密度与企业研发投入显著负相关,而且资本密度会显著调节国家创新体系对企业研发投入的促进作用。
Based on the IBV theory of institutional view, this paper uses the empirical analysis of 6 854 cross-section data of Shanghai and Shenzhen A-shares and small-cap listed companies from 2006 to 2013 to analyze the impact of national innovation system on R & D investment. The results of OLS regression show that: There was a significant and positive correlation between the first-phase R & D investment, the negative correlation between the capital density and the R & D investment, and the capital density would significantly adjust the promotion effect of the national innovation system on R & D investment.