风险投资对促进创新活动具有重要作用,然而风险投资的健康发展需要政府公共政策的干预。为此从公共政策、风险投资与创新三者之间的关系入手,从创新的需求和供给角度建立模型,分别研究了创新产品市场和风险投资市场,并运用均衡分析方法研究了整个市场的均衡状态,根据社会效用最大化目标,分析政府最优公共政策组合及其对社会福利的影响。因此,这种最优政策工具组合可供政府制定相关政策时参考。
Venture investment has great impact on the innovation and must be interfered in by the government through some public policies. The relation among public policies, venture investment and innovation were analyzed. On the basis of the demand and supply of innovation, a model was built to study the innovative product and venture investment markets. The equilibrium of the whole market was analyzed with the help of equilibrium method. According to maximum social utility, the optimal combination of public policies and its influences on social welfare were studied to direct venture investment.