企业研发投入的增长有助于其自主创新能力的提高。本文运用我国大中型工业企业产业层面的面板数据,研究了新产品市场需求、行业竞争以及外部筹资环境这三方面的外部环境因素对企业研发投入的影响。数据分析表明,前期新产品市场需求对企业研发投入有着重要的积极影响,但这种影响还不够强大;行业中的竞争在总体上还未对企业研发投入产生显著的促进作用;而企业研发的外部筹资环境还有待进一步发展和完善。

The increase of corporate R&D input is very helpful for strengthening the corporate ability of self-innovation.In order to analyze the environmental effects of market need,industrial competition and external financial environment on R&D input of enterprises,the panel data of Chinese large and medium-sized enterprises are used.The result shows that the need of new product has a positive impact on R&D input of enterprises,but it is not strong enough;while the intensive competition in industries hasn't shown a general positive impact and the external financial environment needs further improvement.