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What Turns Knowledge into Innovative Products? The Role of Entrepreneurship and Knowledge Spillovers

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  • Block, J.H.
  • Thurik, A.R.
  • Zhou, H.

Abstract

The knowledge spillover theory of entrepreneurship seeks to explain the fundamentals and consequences of entrepreneurship with respect to economic performance. This paper uses the knowledge spillover theory to explain different innovation outcomes. We hypothesize that a high rate of entrepreneurship facilitates the process of turning knowledge into new-to-the-market innovation but has no effect on the relationship between knowledge and new-to-the-firm innovation. Our results using European country-level and pooled OLS, fixed- and random-effects regressions show that a high rate of entrepreneurship increases the chances that knowledge will become new-to-the-market innovation. The findings highlight the importance of Schumpeterian entrepreneurship in the process of the commercialization of knowledge. We discuss the implications for entrepreneurship and innovation policy.

Suggested Citation

  • Block, J.H. & Thurik, A.R. & Zhou, H., 2009. "What Turns Knowledge into Innovative Products? The Role of Entrepreneurship and Knowledge Spillovers," ERIM Report Series Research in Management ERS-2009-049-ORG, Erasmus Research Institute of Management (ERIM), ERIM is the joint research institute of the Rotterdam School of Management, Erasmus University and the Erasmus School of Economics (ESE) at Erasmus University Rotterdam.
  • Handle: RePEc:ems:eureri:16769
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    1. Romer, Paul M, 1986. "Increasing Returns and Long-run Growth," Journal of Political Economy, University of Chicago Press, vol. 94(5), pages 1002-1037, October.
    2. Zoltan Acs & Catherine Armington, 2004. "Employment Growth and Entrepreneurial Activity in Cities," Regional Studies, Taylor & Francis Journals, vol. 38(8), pages 911-927.
    3. Paul Reynolds & Niels Bosma & Erkko Autio & Steve Hunt & Natalie De Bono & Isabel Servais & Paloma Lopez-Garcia & Nancy Chin, 2005. "Global Entrepreneurship Monitor: Data Collection Design and Implementation 1998–2003," Small Business Economics, Springer, vol. 24(3), pages 205-231, February.
    4. Hobday, Mike, 1998. "Product complexity, innovation and industrial organisation," Research Policy, Elsevier, vol. 26(6), pages 689-710, February.
    5. David Audretsch & Max Keilbach, 2004. "Entrepreneurship Capital and Economic Performance," Regional Studies, Taylor & Francis Journals, vol. 38(8), pages 949-959.
    6. Zoltan J. Acs & Attila Varga, 2008. "Entrepreneurship, Agglomeration and Technological Change," Chapters, in: Entrepreneurship, Growth and Public Policy, chapter 24, pages 341-352, Edward Elgar Publishing.
    7. Joern Block & Philipp Koellinger, 2009. "I Can't Get No Satisfaction—Necessity Entrepreneurship and Procedural Utility," Kyklos, Wiley Blackwell, vol. 62(2), pages 191-209, April.
    8. Jacques Mairesse & Pierre Mohnen, 2005. "The Importance of R&D for Innovation: A Reassessment Using French Survey Data," The Journal of Technology Transfer, Springer, vol. 30(2_2), pages 183-197, January.
    9. Adam B. Jaffe & Manuel Trajtenberg & Rebecca Henderson, 1993. "Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations," The Quarterly Journal of Economics, Oxford University Press, vol. 108(3), pages 577-598.
    10. Zoltán J. Ács & Pontus Braunerhjelm & David B. Audretsch & Bo Carlsson, 2015. "The knowledge spillover theory of entrepreneurship," Chapters, in: Global Entrepreneurship, Institutions and Incentives, chapter 7, pages 129-144, Edward Elgar Publishing.
    11. Wolfgang Keller, 2002. "Geographic Localization of International Technology Diffusion," American Economic Review, American Economic Association, vol. 92(1), pages 120-142, March.
    12. David B. Audretsch & A. Roy Thurik, 2000. "Capitalism and democracy in the 21st Century: from the managed to the entrepreneurial economy," Journal of Evolutionary Economics, Springer, vol. 10(1), pages 17-34.
    13. Franco Malerba, 2006. "Innovation and the evolution of industries," Journal of Evolutionary Economics, Springer, vol. 16(1), pages 3-23, April.
    14. Raquel Ortega-Argilés & Marco Vivarelli & Peter Voigt, 2009. "R&D in SMEs: a paradox?," Small Business Economics, Springer, vol. 33(1), pages 3-11, June.
    15. Joern H. Block & Marcus Wagner, 2010. "Necessity and Opportunity Entrepreneurs in Germany: Characteristics and Earning s Differentials," Schmalenbach Business Review (sbr), LMU Munich School of Management, vol. 62(2), pages 154-174, April.
    16. T. S. Breusch & A. R. Pagan, 1980. "The Lagrange Multiplier Test and its Applications to Model Specification in Econometrics," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 47(1), pages 239-253.
    17. Bo Carlsson & Zoltán J. Ács & David B. Audretsch & Pontus Braunerhjelm, 2015. "Knowledge creation, entrepreneurship, and economic growth: a historical review," Chapters, in: Global Entrepreneurship, Institutions and Incentives, chapter 5, pages 71-107, Edward Elgar Publishing.
    18. Kenneth Arrow, 1962. "Economic Welfare and the Allocation of Resources for Invention," NBER Chapters, in: The Rate and Direction of Inventive Activity: Economic and Social Factors, pages 609-626, National Bureau of Economic Research, Inc.
    19. Parker,Simon C., 2009. "The Economics of Entrepreneurship," Cambridge Books, Cambridge University Press, number 9780521728355, March.
    20. Hausman, Jerry, 2015. "Specification tests in econometrics," Applied Econometrics, Russian Presidential Academy of National Economy and Public Administration (RANEPA), vol. 38(2), pages 112-134.
    21. C. Praag & Peter Versloot, 2007. "What is the value of entrepreneurship? A review of recent research," Small Business Economics, Springer, vol. 29(4), pages 351-382, December.
    22. Zvi Griliches, 1998. "R&D and Productivity: The Econometric Evidence," NBER Books, National Bureau of Economic Research, Inc, number gril98-1, March.
    23. Sjoerd Beugelsdijk, 2010. "Entrepreneurial Culture, Regional Innovativeness and Economic Growth," Springer Books, in: Andreas Freytag & Roy Thurik (ed.), Entrepreneurship and Culture, chapter 0, pages 129-154, Springer.
    24. Kihlstrom, Richard E & Laffont, Jean-Jacques, 1979. "A General Equilibrium Entrepreneurial Theory of Firm Formation Based on Risk Aversion," Journal of Political Economy, University of Chicago Press, vol. 87(4), pages 719-748, August.
    25. F. M. Scherer & Dietmar Harhoff & J, rg Kukies, 2000. "Uncertainty and the size distribution of rewards from innovation," Journal of Evolutionary Economics, Springer, vol. 10(1), pages 175-200.
    26. Uwe Cantner & Jean-Luc Gaffard & Lionel Nesta, 2008. "Schumpeterian perspectives on innovation, competition and growth," Journal of Evolutionary Economics, Springer, vol. 18(3), pages 291-293, August.
    27. Breschi, Stefano & Lissoni, Francesco, 2001. "Knowledge Spillovers and Local Innovation Systems: A Critical Survey," Industrial and Corporate Change, Oxford University Press, vol. 10(4), pages 975-1005, December.
    28. Wolfgang Keller, 2004. "International Technology Diffusion," Journal of Economic Literature, American Economic Association, vol. 42(3), pages 752-782, September.
    29. Audretsch, David B & Feldman, Maryann P, 1996. "R&D Spillovers and the Geography of Innovation and Production," American Economic Review, American Economic Association, vol. 86(3), pages 630-640, June.
    30. Luc Anselin & Attila Varga & Zoltan Acs, 2008. "Local Geographic Spillovers Between University Research and High Technology Innovations," Chapters, in: Entrepreneurship, Growth and Public Policy, chapter 9, pages 95-121, Edward Elgar Publishing.
    31. Zoltan J. Acs & Luc Anselin & Attila Varga, 2008. "Patents and Innovation Counts as Measures of Regional Production of New Knowledge," Chapters, in: Entrepreneurship, Growth and Public Policy, chapter 11, pages 135-151, Edward Elgar Publishing.
    32. Glaeser, Edward L & Hedi D. Kallal & Jose A. Scheinkman & Andrei Shleifer, 1992. "Growth in Cities," Journal of Political Economy, University of Chicago Press, vol. 100(6), pages 1126-1152, December.
      • Edward L. Glaeser & Hedi D. Kallal & Jose A. Scheinkman & Andrei Shleifer, 1991. "Growth in Cities," NBER Working Papers 3787, National Bureau of Economic Research, Inc.
      • Glaeser, Edward Ludwig & Kallal, Hedi D. & Scheinkman, Jose A. & Shleifer, Andrei, 1992. "Growth in Cities," Scholarly Articles 3451309, Harvard University Department of Economics.
    33. Arundel, Anthony, 2001. "The relative effectiveness of patents and secrecy for appropriation," Research Policy, Elsevier, vol. 30(4), pages 611-624, April.
    34. Jérôme Vandenbussche & Philippe Aghion & Costas Meghir, 2006. "Growth, distance to frontier and composition of human capital," Journal of Economic Growth, Springer, vol. 11(2), pages 97-127, June.
    35. Samuel Kortum & Josh Lerner, 2000. "Assessing the Contribution of Venture Capital to Innovation," RAND Journal of Economics, The RAND Corporation, vol. 31(4), pages 674-692, Winter.
    36. Claudia Werker & Suma Athreye, 2004. "Marshall’s disciples: knowledge and innovation driving regional economic development and growth," Journal of Evolutionary Economics, Springer, vol. 14(5), pages 505-523, December.
    37. Jovanovic, Boyan, 1982. "Selection and the Evolution of Industry," Econometrica, Econometric Society, vol. 50(3), pages 649-670, May.
    38. Matthias Benz & Bruno S. Frey, 2008. "Being Independent is a Great Thing: Subjective Evaluations of Self‐Employment and Hierarchy," Economica, London School of Economics and Political Science, vol. 75(298), pages 362-383, May.
    39. Philipp Koellinger, 2008. "Why are some entrepreneurs more innovative than others?," Small Business Economics, Springer, vol. 31(1), pages 21-37, June.
    40. Bottazzi, Laura & Peri, Giovanni, 2003. "Innovation and spillovers in regions: Evidence from European patent data," European Economic Review, Elsevier, vol. 47(4), pages 687-710, August.
    41. Pontus Braunerhjelm & Roger Svensson, 2010. "The inventor’s role: was Schumpeter right?," Journal of Evolutionary Economics, Springer, vol. 20(3), pages 413-444, June.
    42. Jörn Block & Philipp Sandner, 2009. "Necessity and Opportunity Entrepreneurs and Their Duration in Self-employment: Evidence from German Micro Data," Journal of Industry, Competition and Trade, Springer, vol. 9(2), pages 117-137, June.
    43. Braunerhjelm, Pontus, 2008. "Entrepreneurship, Knowledge and Economic Growth," Foundations and Trends(R) in Entrepreneurship, now publishers, vol. 4(5), pages 451-533, April.
    44. Breschi, Stefano & Malerba, Franco & Orsenigo, Luigi, 2000. "Technological Regimes and Schumpeterian Patterns of Innovation," Economic Journal, Royal Economic Society, vol. 110(463), pages 388-410, April.
    45. Scott Shane, 2009. "Why encouraging more people to become entrepreneurs is bad public policy," Small Business Economics, Springer, vol. 33(2), pages 141-149, August.
    46. Audretsch, David B., 2009. "Entrepreneurship capital and economic growth," INVESTIGACIONES REGIONALES - Journal of REGIONAL RESEARCH, Asociación Española de Ciencia Regional, issue 15, pages 27-45.
    47. Furman, Jeffrey L. & Porter, Michael E. & Stern, Scott, 2002. "The determinants of national innovative capacity," Research Policy, Elsevier, vol. 31(6), pages 899-933, August.
    48. Oliver Alexy & Joern Block & Philipp Sandner & Anne Ter Wal, 2012. "Social capital of venture capitalists and start-up funding," Small Business Economics, Springer, vol. 39(4), pages 835-851, November.
    49. Jacques Mairesse & Pierre Mohnen, 2002. "Accounting for Innovation and Measuring Innovativeness: An Illustrative Framework and an Application," American Economic Review, American Economic Association, vol. 92(2), pages 226-230, May.
    50. Uwe Cantner & Jean-Luc Gaffard & Lionel Nesta, 2008. "Schumpeterian perspectives on innovation, competition and growth," Post-Print hal-03415793, HAL.
    51. Attila Varga, 2000. "Local Academic Knowledge Transfers and the Concentration of Economic Activity," Journal of Regional Science, Wiley Blackwell, vol. 40(2), pages 289-309, May.
    52. Audretsch, David B. & Lehmann, Erik E., 2005. "Does the Knowledge Spillover Theory of Entrepreneurship hold for regions?," Research Policy, Elsevier, vol. 34(8), pages 1191-1202, October.
    53. Malerba, Franco & Orsenigo, Luigi, 1995. "Schumpeterian Patterns of Innovation," Cambridge Journal of Economics, Oxford University Press, vol. 19(1), pages 47-65, February.
    54. Raquel Ortega-Argilés & Peter Voigt, 2009. "Business R&D in SMEs," JRC Working Papers on Corporate R&D and Innovation 2009-7, Joint Research Centre.
    55. Zoltán J. Ács & László Szerb, 2011. "Global Entrepreneurship and Development Index 2012," Books, Edward Elgar Publishing, number 14235.
    56. Hugo Erken & Piet Donselaar & Roy Thurik, 2018. "Total factor productivity and the role of entrepreneurship," The Journal of Technology Transfer, Springer, vol. 43(6), pages 1493-1521, December.
    57. Rebecca Henderson, 1993. "Underinvestment and Incompetence as Responses to Radical Innovation: Evidence from the Photolithographic Alignment Equipment Industry," RAND Journal of Economics, The RAND Corporation, vol. 24(2), pages 248-270, Summer.
    58. Pontus Braunerhjelm & Zoltán J. Ács & David B. Audretsch & Bo Carlsson, 2015. "The missing link: knowledge diffusion and entrepreneurship in endogenous growth," Chapters, in: Global Entrepreneurship, Institutions and Incentives, chapter 6, pages 108-128, Edward Elgar Publishing.
    59. Cohen, Wesley M & Levinthal, Daniel A, 1989. "Innovation and Learning: The Two Faces of R&D," Economic Journal, Royal Economic Society, vol. 99(397), pages 569-596, September.
    60. Werner Hölzl, 2009. "Is the R&D behaviour of fast-growing SMEs different? Evidence from CIS III data for 16 countries," Small Business Economics, Springer, vol. 33(1), pages 59-75, June.
    61. David B. Audretsch, 1995. "Innovation and Industry Evolution," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262011468, December.
    62. Audretsch, David & Braunerhjelm, Pontus & Acs, Zoltán J & Carlsson, Bo, 2004. "The Missing Link: The Knowledge Filter and Entrepreneurship in Endogenous Growth," CEPR Discussion Papers 4783, C.E.P.R. Discussion Papers.
    63. Manuel Trajtenberg & Adam B. Jaffe & Michael S. Fogarty, 2000. "Knowledge Spillovers and Patent Citations: Evidence from a Survey of Inventors," American Economic Review, American Economic Association, vol. 90(2), pages 215-218, May.
    64. Parker,Simon C., 2009. "The Economics of Entrepreneurship," Cambridge Books, Cambridge University Press, number 9780521899604, March.
    65. Wiggins, Steven N, 1995. "Entrepreneurial Enterprises, Endogenous Ownership, and the Limits to Firm Size," Economic Inquiry, Western Economic Association International, vol. 33(1), pages 54-69, January.
    66. Audretsch, David B. & Bönte, Werner & Keilbach, Max, 2008. "Entrepreneurship capital and its impact on knowledge diffusion and economic performance," Journal of Business Venturing, Elsevier, vol. 23(6), pages 687-698, November.
    67. Griliches, Zvi, 1998. "R&D and Productivity," National Bureau of Economic Research Books, University of Chicago Press, edition 1, number 9780226308869, December.
    68. Attila Varga, 1998. "Local academic knowledge spillovers and the concentration of economic activity," ERSA conference papers ersa98p493, European Regional Science Association.
    69. Block, J.H. & Thurik, A.R. & van der Zwan, P.W. & Walter, S., 2010. "Business Takeover or New Venture? Individual and Environmental Determinants from a Cross-Country Study," ERIM Report Series Research in Management ERS-2010-042-ORG, Erasmus Research Institute of Management (ERIM), ERIM is the joint research institute of the Rotterdam School of Management, Erasmus University and the Erasmus School of Economics (ESE) at Erasmus University Rotterdam.
    70. Ejermo, Olof & Kander, Astrid, 2006. "The Swedish Paradox," Papers in Innovation Studies 2006/1, Lund University, CIRCLE - Centre for Innovation Research.
    71. Lucas, Robert Jr., 1988. "On the mechanics of economic development," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 3-42, July.
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    More about this item

    Keywords

    commercialization of knowledge; community innovation survey; economic growth; entrepreneurship; innovation; knowledge; knowledge spillovers; patents; technology policy;
    All these keywords.

    JEL classification:

    • M - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics
    • M13 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Business Administration - - - New Firms; Startups
    • O10 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - General
    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O32 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Management of Technological Innovation and R&D
    • O4 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity

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