研究了风险投资机构的网络位置对IPO期限的影响作用与影响机理。运用清科数据库2000年1月1日至2010年12月31日的数据,研究发现风险投资机构的网络位置对IPO期限有显著影响——风险投资机构的网络中心性越高,IPO速度越快。为进一步揭示影响机理,以Heckman模型为基础构建了一个两步回归模型。回归结果表明:网络中心性高的风险投资机构既可以选择到高质量的风险项目,也可以为所投资的风险项目提供高质量的增值服务,因而可以实现更快的IPO。
Influence of venture capital firms' network position on IPO duration and the mechanism of this influence are investigated in this paper. With the data of Zero2IPO Database from January 1,2000 to December 31,2010, by using Cox proportional hazard model,it can be found that venture capital firms' network position has a significant influence on IPO duration the higher the venture capital firms' network centrality, the faster they exit via IPO. To further reveal the mechanism of this influence, a two-step mod- el is then constructed based on Heckman model. The regression results show that venture capital firms with higher network centrality not only can select high-quality ventures, but also can provide high-quality value-added services to them, so they can exit faster via IPO.