Geographic scope of proximity effects among small life sciences firms

Geographic scope of proximity effects among small life sciences firms A large number of studies have demonstrated that proximity effects from knowledge spillovers, network externalities and other forms of knowledge transfers among like firms are geographically bounded. However, only a few studies have measured the strength and geographic scope of such externalities and even fewer have done so for firms in very close proximity. In this study, we examine the size and geographic scope of proximity effects among all life science firms that have received Small Business Innovation Research (SBIR) grants in the US over a 23-year period while controlling for relevant regional and firm characteristics. From our empirical analysis, we conclude that proximity effects among nearby small life science firms are strong within one-tenth of a mile distance and are exhausted within a radius of 1.5 miles. By examining the location of all firms in the sample, we offer possible explanations for the narrow geographic scope of the measured proximity effects. We also explain the significance of such findings for academic research that seeks to understand the nature of spatial externalities and for public policy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Small Business Economics Springer Journals

Geographic scope of proximity effects among small life sciences firms

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Publisher
Springer US
Copyright
Copyright © 2012 by Springer Science+Business Media, LLC.
Subject
Economics / Management Science; Management/Business for Professionals; Microeconomics; Entrepreneurship; Industrial Organization
ISSN
0921-898X
eISSN
1573-0913
D.O.I.
10.1007/s11187-012-9441-0
Publisher site
See Article on Publisher Site

Abstract

A large number of studies have demonstrated that proximity effects from knowledge spillovers, network externalities and other forms of knowledge transfers among like firms are geographically bounded. However, only a few studies have measured the strength and geographic scope of such externalities and even fewer have done so for firms in very close proximity. In this study, we examine the size and geographic scope of proximity effects among all life science firms that have received Small Business Innovation Research (SBIR) grants in the US over a 23-year period while controlling for relevant regional and firm characteristics. From our empirical analysis, we conclude that proximity effects among nearby small life science firms are strong within one-tenth of a mile distance and are exhausted within a radius of 1.5 miles. By examining the location of all firms in the sample, we offer possible explanations for the narrow geographic scope of the measured proximity effects. We also explain the significance of such findings for academic research that seeks to understand the nature of spatial externalities and for public policy.

Journal

Small Business EconomicsSpringer Journals

Published: Aug 7, 2012

References

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