Spillovers in Space: Does Geography Matter?
Spillovers in Space: Does Geography Matter?
复制标题
太空溢出：地理因素重要吗？
DOI：
10.1111/joie.12103
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
J. Van Reenen
中科院分区：
文献类型：
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作者：
Sergey Lychagin;J. Pinkse;M. Slade;J. Van Reenen
我们同时评估了研发溢出的三个来源对生产率的贡献：地理、技术和产品市场邻近性。为此，我们构建了一种新的地理邻近度度量方法，该方法基于公司发明人所在地的分布，而不是其总部，我们报告了地理距离函数的参数估计和半参数估计。研究发现：1)在横向溢出效应和技术溢出效应的影响下，地理空间的影响依然存在；ii)技术接近事项；iii)产品市场邻近性不那么重要；研究人员的地点比总部更重要，但两者都有解释力；5)地理市场非常本地化。
We simultaneously assess the contributions to productivity of three sources of research and development spillovers: geographic, technology and product-market proximity. To do this, we construct a new measure of geographic proximity that is based on the distribution of a firm's inventor locations rather than its headquarters, and we report both parametric and semiparametric estimates of our geographic- distance functions. We find that: i) Geographic space matters even after conditioning on horizontal and technological spillovers; ii) Technological proximity matters; iii) Product-market proximity is less important; iv) Locations of researchers are more important than headquarters but both have explanatory power; and v) Geographic markets are very local.
DOI：
10.3386/w13338
发表时间：
--
期刊：
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影响因子：
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作者：
Griffith R
通讯作者：
Griffith R