【摘要】 本文在传统文献的基础上 ,引入不确定性 ,从研发的角度对企业的集群行为进行了考察。通过区分研发成果的溢出和研发努力的溢出 ,我们将企业之间的空间距离引入企业的研发决策。我们证明 ,在完全竞争的情况下 ,企业研发的风险和研发努力的溢出使得企业可以通过选择集聚来提高均衡利润 ,最后给出了我们的政策建议。更多还原

【Abstract】 This paper extends the literature on the causes of enterprises cluster. We consider the reason for enterprises agglomeration from the aspect of R&D. In our model, we introduce uncertainty, distinguish spillover of innovation from R&D effort spillover and associate spillovers with space distance among enterprises and the future of knowledge. Our model proves enterprises can increase their profit by agglomeration.更多还原