Effects of R&D spillovers on the profitability of firms

被引：52

作者：

Hanel, P ^{[1
]}

St-Pierre, A ^{[1
]}

机构：

[1] Univ Sherbrooke, Dept Econ, Sherbrooke, PQ J1H 1H9, Canada

来源：

REVIEW OF INDUSTRIAL ORGANIZATION | 2002年 / 20卷 / 04期

关键词：

appropriability; cross-section; manufacturing; profitability; R&D; spillovers; technological externalities;

D O I：

10.1023/A:1015677626496

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

This cross-section study of a sample of 278 firms from the COMPUSTAT II database explores the relationship between a firm's profitability and other variables, notably its own R&D capital, knowledge and market spillovers and appropriability. The proxy for knowledge spillovers is based on technological distance. Market spillovers are based on a patent input-output matrix. Both spillover proxies combine information on R&D expenditures and patent counts. The results do not reject the hypothesis that R&D has a direct, positive effect on profitability, especially in industries with effective patent protection. Information spillovers affect profits negatively, market spillovers positively.

引用

页码：305 / 322

页数：18

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