This paper analyses the relative effects of national and international, intra-sectoral and intersectoral spillovers on innovative activity in six large, industrialized countries (France, Germany, Italy, Japan, UK and US) over the period 1981-1995. We use patent applications at the European Patent Office to measure innovation and their citations to trace knowledge flows within and across 135 narrowly defined technological fields. We find that, in addition to international ones, intra-sectoral spillovers are an important determinant of innovation.
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Paper provided by CESPRI, Centre for Research on Innovation and Internationalisation, Universita' Bocconi, Milano, Italy in its series CESPRI Working Papers with number
204.
Length: pages 35 Date of creation: Oct 2007 Date of revision:
Oct 2007 Handle: RePEc:cri:cespri:wp204
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Gene M. Grossman & Elhanan Helpman, 1994.
"Technology and Trade,"
NBER Working Papers
4926, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)
Grossman, G.M. & Helpman, E., 1994.
"Technology and Trade,"
Papers
175, Princeton, Woodrow Wilson School - Public and International Affairs.
Grossman, Gene M. & Helpman, Elhanan, 1995.
"Technology and trade,"
Handbook of International Economics,
in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 25, pages 1279-1337
Elsevier.
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