How Do Patents Affect Research Investments?
收藏数据链接：
官方服务：
资源简介：
While patent systems have been widely used both historically and internationally, there is nonetheless a tremendous amount of controversy over whether patent systems in practice improve the alignment between private returns and social contributions. In this paper, I describe three parameters how
提供机构：
美国国家经济研究局创建时间：
2017-01-01
