References Abernathy, W., Clark, K.B., “Innovation: mapping the winds of creative destruction”, Research Policy, vol. 14, num.1. Acs, Z., Audretsch, D., Feldman, M. (1991), “Real effects of academic research: Comment”, American Economic Review, 81, pp. 363–367. Anselin, L., Varga, A., Acs, Z.J. (1997), “Local geographic spillovers between university research and high technology innovations”, Journal of Urban Economics, 42, pp. 422-448. Archibugi, D., Iammarino, S. (2000), “Innovación y Globalización: evidencia e implicaciones”, en J. Molero (coord.), Competencia global y cambio tecnológico. Un desafío para la economía española, Pirámide, Madrid. Archibugi, D., Michie, I. (1998), “Trade, growth and technical change: what are the issues”, en D. Archibugi, I. Michie (eds.), Trade, Growth and Technical Change, Cambridge University Press, Cambridge, pp. 1-14. Audretsch, D. (1998), “Agglomeration and the location of innovative activity”, Oxford Review of Economic Policy, vol. 14, pp. 18-29. Audretsch, D.B., Stephan, P.E. (1996), Company-scientist locational links: The case of biotechnology, American Economic Review, 86, pp. 641–652. Aydalot, P., Kleebe, D. (1998), High Technology Industry and Innovative Environments: the European Experience, Routledge, Londres. Beneito, P. (2003), “Choosing among alternative technological strategies: an empirical analysis of formal sources of innovation”, Research Policy, vol. 32, pp. 693–713. Boeker, W., Huo, Y. P. (1998), “Innovation adoption by established firms: unresolved issues”, The Journal of High Technology Management Research, vol. 9, pp. 115-130. Buesa, M., Molero, J. (1998), “Tamaño empresarial e innovación tecnológica en la economía española”, In-formación Comercial Española, num. 773, pp. 155-173. Camacho, J.A., Rodríguez, M. (2005), “Servicios intensivos en conocimiento e innovación regional. Un análisis para las regiones europeas”, Investigaciones Regionales, núm. 7, pp. 91–110. Cohen, W. M., Klepper, S. (1992), “The tradeoff between firm size and diversity in the pursuit of technological progress”, Journal of Small Business Economics, vol. 4, pp. 1-14. Cohen, W., Levin, R. C. (1989), “Empirical Studies of Innovation and Market Structure”, en R. Schmalense, R. Willig (eds.), Handbook of Industrial Organization, North Holland, Amsterdam. Cooke, P. (2001), “Sistemas de innovación regional: conceptos, análisis y tipología”, en M. Dosi, M. Gómez (eds.), Sistemas Regionales de Innovación, Servicio Editorial de la Universidad del País Vasco, Bilbao, pp. 73-91. De Castro, E. A., Rodrigues, C., Esteves, C., Da Rosa, A. (2000), “The triple helix model as a motor for the creative use of telematics”, Research Policy, num. 29, pp.193-203. Delmas, M. A. (2002), “Innovating against European rigidities: institutional environment and dynamic capa bilities”, Journal of High Technology Management Research, vol. 12, pp. 19-43. Dosi, G. (1984), Technical Change and Industrial Transformation, Macmillan, Londres. Dosi, G. (1988), “The nature of the innovative process”, en G. Dosi et al (eds.), Technical change and economic theory, Pinter Publishers, Londres, pp. 221238. Dosi, G. et al. (1988), Technical change and economic theory, Pinter Publishers, Londres. Drejer, I. (2004), “Identifying innovation in surveys of services: a Schumpeterian perspective”, Research Policy, 33, pp. 551–562. Edquist, C. (2001), “Innovation policy in the systems of innovation approach: some basic principle”, en M. Fisher, J. Fröhlich (eds.), Knowledge, Complexity and Innovation Systems, Springer-Verlag, Berlin, pp. 46-57. Etzkowitz, H., Leydesdorff, L. (eds.) (1997), Universities in the Global Economy: A Triple Helix of University Industry-Government relations, Cassell Academic, London. Etzkowitz, H., Leydesdorff, L. (2000), The dynamics of innovation: from National Systems and Mode 2 to a Triple Helix of university-industry-government relations, Research Policy, 29, pp. 109-123. Evangelista, R. (2000), “Sectoral Patterns of Technological Change in Services”, Economics of Innovation and New Technologies, vol. 9, pp. 183-221. Fraçois, J. P., Favre, F., Negassi, S. (2002), “Competence and organization: two drivers of innovation”, Economics of Innovation and New Technologies, vol. 11, pp. 249-270. Gadrey, J., Gallouj, F., Weinstein, O. (1995), “New modes of innovation. How services benefit industry”, Internaional Journal of Service Industry Management, 6 (3): 4-16. Galende, J., de la Fuente, J. M. (2003), “Internal factors determining a firm’s innovative behaviour”, Research Policy, vol. 32, pp. 715-736. Gallouj, F., Weinstein, O. (1997), “Innovation in services”, Research Policy 26, pp. 537–556. Goe, R., Lentnek, B., MacPherson, A., Phillips, D. (2000), “Toward a contact-based theory of producer service location”, Environment and Planning A, 32, pp. 131–147. Hertog, P. den, Bilderbeek (1999), “Conceptualising Service Innovation and Service Innovation Patterns”, mimeo, DIALOGIC, Utrecht. Disponible en versión electrónica en http://www.eco.rug.nl/GGDC/dseries/SIID_frontpage.shtml. Hertog, P. den, Broersma, L., Ark, B. van (2003), “On the soft side of innovation: services innovation and its policy implications”, DE Economist, 151: 433-452. Jaffe, A. (1989), “Real effects of academic research”, American Economic Review, 79: 957–970. Keilbach, M. (2000), Spatial Knowledge Spillovers and the Dynamics of Agglomeration and Regional Growth, Springer- Verlag, Berlin. Koberg, C. S., Detienne, D. R., Heppard, K. A. (2003), “An empirical test of environmental, organizational and process factors affecting incremental and radical innovations”, Journal of High Technology Management Research, vol. 14, pp. 21-45. Krugman, P. R., Venables, A. J. (1995), "Globalization and the Inequality of Nations", The Quarterly Journal of Economics, vol. 110 (4), pp. 857-80. Lee, C. Y. (2002), “Industry R&D intensity distributions: regularities and underlying determinants”, Journal of Evolutionary Economics, vol. 12, pp. 307-341. Lee, C. Y. (2003), “Firm density and industry R&D intensity: theory and evidence”, Review of Industrial Organization, vol. 22, pp. 139-158. Leydesdorff, L. (2000), “The Triple Helix: an evolutionary model of innovation”, Research Policy 29, 243-255. Lundvall, B. A. (1988), “Innovation as an interactive process: from user–producer interaction to the national system of innovation”, in G. Dosi, C. Freeman, R. Nelson, G. Silverberg, L. Soete (eds.), Technical Change and Economic Theory, Pinter, London, pp. 349–369. Mairesse, J., Mohnen, P. (2002), “Accounting for innovation and Measuring Innovativeness: An Illustrative Framework and an Application”, American Economic Review, Papers and Proceedings, 92 (2): 226–230. Makun, P., MacPherson, A. D. (1997), “Externally-assisted Product Innovation in the Manufactures Sector: The Role of Location, IN-house R&D and Outside Technical Support”, Regional Studies, vol. 31 (7): 659–668. Malerba, F., Orsenigo, L. (1990),“Technological regimes and pattern of innovation: a theoretical and empirical investigation of the Italian case”, Mimeo, Universitá Luigi Boconi. Mansfield, E. (1995), “Academic research underlying industrial innovations: Sources, characteristics and financing”, The Review of Economics and Statistics, 77, pp. 55–65. Miles, I. (2005), “Innovation in services”, en J. Fagerberg, D. Mowery, R. Nelson, The oxord handbook oinnovation, Oxford University Press. Miozzo, M., Soete, L. (2001), “Internationalization of Services: A Technological Perspective”, TechnologicaForecasting and Social Change, vol. 67, pp. 159–185. Molero, J. (2001), Innovación tecnológica y competiividad en Europa, Síntesis, Madrid. Molero, J., Buesa, M. (1996), “Innovatory activity in Spanish firms: regular versus occasional patterns”, TSER, http://meritbbs.unimaas.nl/tser/tser.html. Molero, J., Boueri, M. (2003), “Specialisation in services of European Union countries: a proposal of taxono-my”, College of Europe, SETI projet, downloadable from www.coleurop.be and www.seti.coleurop.be Muller, E., Zenker, A. (2001), “Business services as actors of knowledge transformation: the role of KIBS in regional and national innovation systems”, Research Policy, 30, pp. 1501–1516. Nelson, R. (1993), National innovation systems: A comparative analysis, Oxford University Press, New York. Oerlemans, L. A. G., Meeus, M. T. H., Boekema, F. W. M. (2001), “Firm clustering and innovation: determinants and effects”, Papers in Regional Science, vol. 80, pp. 337-356. Ong, C., Wan, D., Chng, S. (2003), “Factors affecting individual innovation: an examination within a Japanese subsidiary in Singapore”, Technovation, vol. 23, pp. 617-631. Patel, P., Pavitt, K. (1995), “Patterns of Technological Change: their Measurement and Interpretation”, en P.A. Stoneman (ed.), Handbook of the Economics of Innovation and Technological Change, Basil Blackwell, Oxford, pp. 14–51. Pavitt, K. (1984), “Sectoral patterns of technical change. Towards a taxonomy and a theory”, Research Policy, vol. 13. Quintas, P., Wield, D., Massey, D. (1992), “Academic industry links and innovation: Questioning the science park model”, Technovation, 12: 161–175. Rodriguez-Pose, A. (2001), “Is R&D investment in lagging areas of Europe worthwhile? Theory and empirical evidence”, Papers in Regional Science, num. 80, pp. 275-295. Rosenberg, N., Nelson, R. (1994), “American universities and technical advances in industry”, Research Policy, 22, pp. 323–348. Strambach, S. (1998), “Knowledge-intensive services (KIBS) as an element of learning regions – the case of Baden Württemberg”, 38th Congress of the European Regional Science Association, Vienna, 28 August - 1 September. Available at www.repec.org Sutton, J. (2002), “Rich Trades, Scarce Capabilities: Industrial Development Revisited”, Economic and Social Review. Spring, 33 (1): 1-22. Tabak, F., Barr, S. H. (1999), “Propensity to adopt technological innovations: the impact of personal characteristics and organizational context”, Journal of Engineering and Technological Management, vol. 16, pp. 247–270. Tether, B. S., Metcalfe, J. S. (2004), “Services and systems of innovation”, in F. Malerba (ed.), Sectoral Systems of Innovations. Concepts, Issues and Analyses of Six Majors Sectors in Europe, Cambridge University Press, Cambridge (UK), pp. 287–321. Vence, X., González, M. (2002), “Los servicios y la innovación. La nueva frontera regional en Europa”, Economía Industrial, 347, pp. 41–66. Vence, X., González, M. (2003), “The geography of knowledge based economy in Europe: a regional approach”, College of Europe, SETI projet, downloadable from www.coleurop.be and www.seti.coleurop.be. Waarts, E., van Everdingen, Y. M., van Hillegersberg, J. (2002), “The dynamics of factors affecting the adoption of innovations”, The Journal of Product Innovation Management, vol. 19, pp. 412-423.