Proximité géographique et technologique au niveau intra-régional: les biotechnologies en Ile-de-France

Anne Plunket and Najoua Boufaden

Revue d'économie régionale et urbaine, 2008, vol. octobre, issue 3, 467-486

Abstract: In this paper, we propose an exploratory approach which is essentially methodological and empirical in order to explore geographic proximity at the intra-regional level. Recent works suggest that a firm has to be located in a close neighborhood in order to benefit from knowledge externalities, but these works do not control for technological proximity. In this paper we hypothesize that geographic proximity measures other phenomenon that mere spatial distance (ORLANDO, 2004) ; we suggest that specialization effects play a dominant role over the geographic proximity at the intra-regional level. We apply two separate methods to a sample of 60 biotechnology firms located in Ile-de-France region over the period 2001-2005, in order to measure and control for technological proximity when we estimate the impact of geographic proximity on the firm?s innovativeness. Our results suggest that the technological proximity is dominant over the geographic one at the intra-regional level.

Keywords: Geographic proximity; technological proximity; intra-regionalanalysis; biotechnology; knowledge externalities (search for similar items in EconPapers)
Date: 2008
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