A. Arora and A. Gambardella, Complementarities and external linkages:the strategies of the large firms in biotechnology, Journal of Industrial Economics, vol.4, pp.361-379, 1990.

J. L. Arrègle, Analyse "Resource Based" et identification des actifs strat??giques, Revue fran??aise de gestion, vol.32, issue.160, pp.25-35, 1996.
DOI : 10.3166/rfg.160.241-260

D. Audretsch and P. Stephan, Company scientist locational links: the case of biotechnology, American Economic Review, vol.86, issue.3, pp.641-652, 1996.

J. B. Barney, Firm Resources and Sustained Competitive Advantage, Journal of Management, vol.17, issue.1, pp.99-120, 1991.
DOI : 10.1177/014920639101700108

J. B. Barney, J. C. Spender, and T. Reve, Does management matter? On competencies and competitive advantage, Ed.^Eds. Crafoord Lectures, vol.6, 1994.

M. Callon and J. Vignolle, Organisation locale et enjeux sociétaux, Sociologie du travail, vol.3, issue.2, pp.233-255, 1976.

G. Eliasson and A. Eliasson, The biotechnological competence bloc, Revue d'Economie Industrielle, pp.7-26, 1996.
DOI : 10.3406/rei.1996.1641

M. Feldman, The New Economics Of Innovation, Spillovers And Agglomeration: Areview Of Empirical Studies, Economics of Innovation and New Technology, vol.87, issue.1, pp.5-25, 1999.
DOI : 10.1080/10438599900000002

R. Grant, The Resource-Based Theory of Competitive Advantage: Implications for Strategy Formulation, California Management Review, vol.38, issue.3, pp.114-135, 1991.
DOI : 10.2307/41166664

R. Greenwood and C. R. Hinings, UNDERSTANDING STRATEGIC CHANGE: THE CONTRIBUTION OF ARCHETYPES., Academy of Management Journal, vol.36, issue.5, pp.1052-1081, 1993.
DOI : 10.2307/256645

N. P. Greis, M. D. Dibner, and A. S. Bean, External partnering as a response to innovation barriers and global competition in biotechnology, Research Policy, vol.24, issue.4, 1994.
DOI : 10.1016/S0048-7333(94)00789-6

G. Hamel, Competition for competence and interpartner learning within international strategic alliances, Strategic Management Journal, vol.7, issue.S1, pp.83-103, 1991.
DOI : 10.1002/smj.4250120908

R. Henderson, L. Orsenigo, G. Pisano, R. Mowery, and . Nelson, The Pharmaceutical Industry and the Revolution in Molecular Biology: Exploring the Interactions Between Scientific, Institutional and Organizational Change The Sources of Industrial Advantages, 1999.

J. P. Liebeskind, Social networks, Learning, and Flexibility: Sourcing Scientific Knowledge in New Biotechnology Firms, Organization Science, vol.7, issue.4, pp.428-443, 1996.
DOI : 10.1287/orsc.7.4.428

J. Mahoney and J. R. Pandrian, The resource-based view within the conversation of strategic management, Strategic Management Journal, vol.3, issue.5, pp.363-380, 1992.
DOI : 10.1002/smj.4250130505

P. Monsan, Vingt ans de biotechnologie en France, Biofutur, vol.1999, issue.194, pp.23-27, 0194.
DOI : 10.1016/S0294-3506(99)90106-0

A. Nilsson, Biotechnology Firms in Sweden : The Emergence of a New Business Model, International Workshop on Comparing the Development of Biotechnology, 2000.

E. Penrose, The Theory of the Growth of the Firm, 1959.

M. Peteraf, The cornerstones of competitive advantage: A resource-based view, Strategic Management Journal, vol.9, issue.3, pp.179-191, 1993.
DOI : 10.1002/smj.4250140303

J. Pfeffer and G. R. Salancik, The external control of organizations : a resource dependence perspective, 1978.

M. Porter, COMPETITIVE STRATEGY, Measuring Business Excellence, vol.1, issue.2, 1980.
DOI : 10.1108/eb025476

W. W. Powell, Neither market nor hierarchy: networks forms of organization Research, Organizational Behavior, vol.12, pp.295-336, 1990.

W. W. Powell, K. W. Koput, and L. Smith-doerr, Interorganisational collaboration and the locus of innovation : networks of learning in biotechnology, Administrative Science Quaterly, pp.41-116, 1996.

W. W. Powell, Learning from Collaboration: Knowledge and Networks in the Biotechnology and Pharmaceutical Industries, California Management Review, vol.3, issue.3, pp.228-240, 1998.
DOI : 10.2307/2634938

S. Ranson, C. R. Hinings, and R. Greenwood, The Structuring of Organizational Structures, Administrative Science Quarterly, vol.25, issue.1, pp.1-17, 1980.
DOI : 10.2307/2392223

M. V. Russo and P. A. Fouts, A RESOURCE-BASED PERSPECTIVE ON CORPORATE ENVIRONMENTAL PERFORMANCE AND PROFITABILITY., Academy of Management Journal, vol.40, issue.3, pp.534-559, 1997.
DOI : 10.2307/257052

M. Sharp, S. J. , and I. Galimberti, Co-operative alliances and internal competences: some case studies in biotechnology, 1994.

B. L. Simonin, THE IMPORTANCE OF COLLABORATIVE KNOW-HOW: AN EMPIRICAL TEST OF THE LEARNING ORGANIZATION., Academy of Management Journal, vol.40, issue.5, pp.1150-1174, 1997.
DOI : 10.2307/256930

D. Teece, Profiting from technological innovation: Implications for integration, collaboration, licensing and public policy, Research Policy, vol.15, issue.6, pp.285-305, 1986.
DOI : 10.1016/0048-7333(86)90027-2

D. J. Teece, Firm organization, industrial structure, and technological innovation, Journal of Economic Behavior & Organization, vol.31, issue.2, pp.193-224, 1996.
DOI : 10.1016/S0167-2681(96)00895-5

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.463.3254

P. S. Tolbert, Institutional Environments and Resource Dependence: Sources of Administrative Structure in Institutions of Higher Education, Administrative Science Quarterly, vol.30, issue.1, pp.1-13, 1985.
DOI : 10.2307/2392808

A. Valette, La formation des trajectoires d'offre de soins : les interactions hopitalenvironnement, 1994.

K. Weick, A social psychology of organizing, 1979.

B. Wernerfelt, A resource-based view of the firm, Strategic Management Journal, vol.10, issue.2, pp.171-180, 1984.
DOI : 10.1002/smj.4250050207