郭研;张皓辰;

• 1:北京大学经济学院
• 2:北京大学新结构经济学研究院

摘要(Abstract)：

政府给予企业的创新补贴通过正向的溢出效应作用于经济增长。基于我国科技型中小企业技术创新基金(Innofund)的项目数据,从行业内溢出和行业间溢出两个维度检验了创新补贴对行业增长的溢出效应。研究发现,创新补贴通过水平溢出效应显著促进了区域内受资助行业的增长。利用投入产出表构造行业之间的生产网络关联,发现创新补贴还能够通过前向和后向的垂直溢出效应促进区域内上下游行业的增长。异质性分析的结果表明,在市场化程度更高的地区行业内和行业间的溢出效应都更强,2005年项目筛选机制由集权到分权的变化显著提升了创新补贴的溢出效应。这些结果印证了市场机制和政策实施机制对产业政策效果的影响。此外,尽管创新补贴能够促进行业规模增长,但研究并没有发现创新补贴对行业效率的显著改善作用,这为创新驱动产业政策的制定提供了重要的政策启示。

关键词(KeyWords)： 创新补贴;溢出效应;垂直关联;产业政策;政策实施机制;经济增长

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 郭研;张皓辰;

Email:

DOI: 10.13269/j.cnki.ier.2020.04.001

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• ①关于创新基金的更多具体信息参见项目网站:http://innofund.chinatorch.gov.cn/。
• ②本文也按照立项数目进行了描述统计,反映出来的趋势和资助金额的趋势基本相同,限于篇幅,文中不再展示。
• ③具体地,1999—2003年的数据对应2002年的投入产出表,2004年的数据对应2005年的投入产出表,2006—2008年的数据对应2007年的投入产出表,2009—2011年的数据对应2010年的投入产出表,2012—2014年的数据对应2012年的投入产出表。
• ④这里我们汇报的是面板固定效应的线性回归结果,考虑到动态面板模型的特殊性,我们也使用系统GMM方法对这些回归模型进行了估计,所得结果在系数符号和显著性上与现有结果相似,限于篇幅,文中不再展示。
• ⑤其他指标包括政府与企业的关系、私营部门的发展、产品市场的发展、要素市场的发展、工商业服务中介和法律机构的发展,受篇幅所限,这些回归结果不在文章中展示。
• ⑥受篇幅所限,被解释变量为资本产出比和TFP的回归结果不在文中展示,感兴趣的读者可以向作者索取。