When do more patents reduce R&D?

被引：36

作者：

Hunt, Robert M. ^{[1
]}

机构：

[1] Fed Reserve Bank Philadelphia, Res Dept, Philadelphia, PA 19106 USA

来源：

关键词：

D O I：

10.1257/000282806777212035

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

引用

页码：87 / 91

页数：5

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