企业规模、市场结构与创新产出的关系研究——中国工业企业的实证分析

本文以32行业中年主营业务收入2000万元以上法人工业企业为研究对象，建立2008～2012年面板数据模型与2009年横截面数据模型，利用Eviews7.2软件探讨了企业规模与市场结构等因素对创新产出的影响。研究结果表明：在控制技术机会、政府资助和销售利润率等变量后，企业规模与创新产出的相关系数在0.48左右，并且企业规模与创新产出之间呈倒U型关系；市场结构（四厂商集中度CR4）与创新产出之间没有显著关系。

Study on the Relationship among the Enterprise Scale,Market Structure and Innovation Output---An Empirical Study Based on Research of Chinese Industrial Enterprises

By researching on industrial enterprises with annual income of more than 20 million RMB in major business in 32 indus-tries , and by establishing panel data model from 2008 to 2012 and cross sectional data model of 2009 , this study , by making use of E-VIEWS7.2 , focuses on influence on innovative output exerted by a series of factors like enterprise scale and market structure and etc . The result shows:with controlling a number of variables including technology opportunity , government funds and ratio of income as a percentage of sales and etc ., the relevant coefficient between enterprise scale and innovative output is around 0.48 , which is actually an “U” mod-el . There is no obvious relation between market structure (CR4 ) and innovative output .