ECONOMETRIC-MODELS FOR COUNT DATA WITH AN APPLICATION TO THE PATENTS R AND D RELATIONSHIP

被引：2197

作者：

HAUSMAN, J

HALL, BH

GRILICHES, Z

机构：

[1] NATL BUR ECON RES,PALO ALTO,CA

[2] HARVARD UNIV,CAMBRIDGE,MA 02138

来源：

关键词：

D O I：

10.2307/1911191

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

引用

页码：909 / 938

页数：30

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