Endogenous growth of open collaborative innovation communities: a supply-side perspective
构建模型分析开放协作创新社区在何种条件下能内生增长，发现增长取决于开发者社会动机和互动等供给侧机制，且社区创新绩效受自身特征和外部知识产权制度影响。
This article analyzes the conditions under which open collaborative innovation communities can be \ngenerated and are able to grow and prosper in the long run. We build a formal model of the interaction between such communities and the alternative institutional setting based on intellectual property rights that we call Technology. The model accounts for both the communitarian social process \ntaking place inside the community and for the presence of spillovers both across and within each institution. We prove that communities grow endogenously above a certain size threshold, and that such \ngrowth depends on supply-side mechanisms centered on the developers’ social motivations and \ninteractions. In a comparative statics analysis, we show that the community’s innovative performance \nrests not only on its own characteristics (strength of social motivations and/or of protection of the \ncommunity-produced knowledge) but also on factors outside its scope, namely, the institutional characteristics of Technology. We discuss the managerial and policy implications of our findings.