Is more diverse always the better? External knowledge source clusters and innovation performance in Germany

References

• Abdul Basit, S., and K. Medase. 2019. “The Diversity of Knowledge Sources and its Impact on Firm-Level Innovation.” European Journal of Innovation Management 22 (4): 681–714.
   Web of Science ®Google Scholar
• Amara, N., and R. Landry. 2005. “Sources of Information as Determinants of Novelty of Innovation in Manufacturing Firms: Evidence from the 1999 Statistics Canada Innovation Survey.” Technovation 25 (3): 245–259.
   Web of Science ®Google Scholar
• Bai, J., and S. Ng. 2005. “Tests for Skewness, Kurtosis, and Normality for Time Series Data.” Journal of Business & Economic Statistics 23 (1): 49–60.
   Web of Science ®Google Scholar
• Barney, J. B. 1986. “Strategic Factor Markets: Expectations, Luck and Business Strategy.” Management Science 32 (1986): 1231–1241.
   Google Scholar
• Bathelt, H., and N. Schuldt. 2008. “Between Luminaires and Meat Grinders: International Trade Fairs as Temporary Clusters.” Regional Studies 42 (6): 853–868.
   Web of Science ®Google Scholar
• Becheikh, N., R. Landry, and N. Amara. 2006. “Strategic Determinants of Technological Innovation in Manufacturing SMEs.” Canadian Journal of Administrative Sciences/Revue Canadienne Des Sciences de L Administration 23 (4): 275–300.
   Web of Science ®Google Scholar
• Berchicci, L. 2013. “Towards an Open R&D System: Internal R&D Investment, External Knowledge Acquisition and Innovative Performance.” Research Policy 42 (1): 117–127.
   Web of Science ®Google Scholar
• Brockhoff, K. 1992. “R&D Cooperation Between Firms — A Perceived Transaction Cost Perspective.” Management Science 38 (4): 514–524.
   Web of Science ®Google Scholar
• Bruce, M., F. Leverick, D. Littler, and D. Wilson. 1995. “Success Factors for Collaborative Product Development: A Study of Suppliers of Information and Communication Technology.” R&D Management 25 (1): 33–44.
   Web of Science ®Google Scholar
• Burt, R. S. 1992. Structural Holes: The Social Structure of Competition. Cambridge, MA: Harvard University Press.
   Google Scholar
• Cassiman, B., and R. Veugelers. 2002. “R&D Cooperation and Spillovers: Some Empirical Evidence from Belgium.” American Economic Review 92 (4): 1169–1184.
   Web of Science ®Google Scholar
• Cattani, G., and J. H. Kim. 2017. “Knowledge Diversity, Organizational Learning and Performance.” Academy of Management Proceedings 2017 (1): 15774.
   Google Scholar
• Chen, J., Y. Chen, and W. Vanhaverbeke. 2011. “The Influence of Scope, Depth and Orientation of External Technology Sources on the Innovative Performance of Chinese Firms.” Technovation 31 (8): 362–373.
   Web of Science ®Google Scholar
• Chesbrough, H. 2003. Open Innovation. Cambridge, MA: Harvard University Press.
   Google Scholar
• Chesbrough, H., and A. K. Crowther. 2006. “Beyond High Tech: Early Adopters of Open Innovation in Other Industries.” R&D Management 36 (3): 229–236.
   Web of Science ®Google Scholar
• Chiang, Y. H., and K. P. Hung. 2010. “Exploring Search and Perceived Innovation Performance from the Perspective of Inter-Organizational Knowledge Flows.” R&D Management 40 (3): 292–299.
   Web of Science ®Google Scholar
• Cohen, W. M., and D. A. Levinthal. 1989. “Innovation and Learning: The two Faces of R&D.” The Economic Journal 99 (397): 569–596.
   Web of Science ®Google Scholar
• Cohen, W. M., and D. A. Levinthal. 1990. “Absorptive Capacity: A new Perspective on Learning and Innovation.” Administrative Science Quarterly 35 (1): 128–152.
   Web of Science ®Google Scholar
• Cohen, W. M., and D. A. Levinthal. 1994. “Fortune Favours the Prepared Firm.” Management Science 40 (2): 227–251.
   Web of Science ®Google Scholar
• Cohen, W. M., R. R. Nelson, and J. P. Walsh. 2002. “Links and Impacts: The Influence of Public Research on Industrial R&D.” Management Science 48 (1): 1–23.
   Web of Science ®Google Scholar
• Criscuolo, P., K. Laursen, T. Reichstein, and A. Salter. 2018. “Winning Combinations: Search Strategies and Innovativeness in the UK.” Industry and Innovation 25 (2): 115–143.
   Web of Science ®Google Scholar
• Dahlander, L., and D. M. Gann. 2010. “How Open is Innovation?” Research Policy 39 (6): 699–709.
   Web of Science ®Google Scholar
• Day, G. S., and R. Wensle. 1988. “Assessing Advantage: A Framework for Diagnosing Competitive Superiority.” Journal of Marketing 52 (2): 1–20.
   Web of Science ®Google Scholar
• Dickson, P. R. 1992. “Toward a General Theory of Competitive Rationality.” Journal of Marketing 56 (1): 69–83.
   Web of Science ®Google Scholar
• Dominici, G., and G. Levanti. 2011. “The Complex System Theory for the Analysis of Inter-Firm Network: A Literature Overview and Theoretic Framework.” International Business Research 4 (2): 31–37.
   Google Scholar
• Dong, J. Q., and J. Netten. 2017. “Information Technology and External Search in the Open Innovation age: New Findings from Germany.” Journal of Technological Forecasting & Social Change 120 (2017): 223–231.
   Google Scholar
• Dosi, G. 1995. The contribution of economic theory to the understanding of a knowledge-based economy”, IIASA, Laxenburg, Austria, Working Paper, WP 95-56.
   Google Scholar
• Ebersberger, B., and S. J. Herstad. 2013. “The Relationship Between International Innovation Collaboration, Instrumental R&D and SMEs` Innovation Performance: A Quantile Regression Approach.” Applied Econometric Letters 20 (7): 626–630.
   Web of Science ®Google Scholar
• Enkel, E., O. Gassmann, and H. Chesbrough. 2009. “Open R&D and Open Innovation: Exploring the Phenomenon.” R&D Management 39 (4): 311–316.
   Web of Science ®Google Scholar
• Escribano, A., A. Fosfuri, and J. A. Tribo. 2009. “Managing External Knowledge Flows: The Moderating Role of Absorptive Capacity.” Research Policy 38 (1): 96–105.
   Web of Science ®Google Scholar
• Felin, T., and T. R. Zenger. 2016. “Strategy, Problems, and Theory for the Firm.” Organization Science 27 (1): 222–231.
   Web of Science ®Google Scholar
• Felin, T., and T. R. Zenger. 2017. “The Theory-Based View: Economic Actors as Theorists.” Strategy Science 2 (4): 258–271.
   Web of Science ®Google Scholar
• Felin, T., and T. R. Zenger. 2020. “Open Innovation: A Theory-Based View.” Strategic Management Review 1 (2): 223–232.
   Google Scholar
• Ferreras-Mendez, J. L., S. Newell, A. Fernandez-Mesa, and J. Alegre. 2015. “Depth and Breadth of External Search and Performance: The Mediating Role of Absorptive Capacity.” Industrial Marketing Management 47 (2015): 86–97.
   Google Scholar
• Fey, C., and J. Birkinshaw. 2005. “External Sources of Knowledge, Governance Mode and R&D Performance.” Journal of Management 31 (4): 597–621.
   Web of Science ®Google Scholar
• Flor, M. L., S. Y. Cooper, and M. J. Oltra-Mestre. 2018. “External Knowledge Search, Absorptive Capacity and Radical Innovation in High-Technology Firms.” European Management Journal 36 (2): 183–194.
   Web of Science ®Google Scholar
• Frey, K., C. Luethje, and S. Haag. 2011. “Whom Should Firms Attract to Open Innovation Platforms? The Role of Knowledge Diversity and Motivation.” Journal of Long-Range Planning 44 (2011): 397–420.
   Google Scholar
• Galende, J., and J. M. De la Fuente. 2003. “Internal Factors Determining a Firm's Innovative Behavior.” Research Policy 32 (5): 715–736.
   Web of Science ®Google Scholar
• Garcia, L. M., A. A. Oliveira, R. A. Grupen, D. S. Wheeler, and A. H. Fagg. 2000. “Tracing Patterns and Attention: Humanoid Robot Cognition.” IEEE Intelligent Systems 15 (4): 70–77.
   Web of Science ®Google Scholar
• Gassmann, O., and E. Enkel. 2004. “Towards a Theory of Open Innovation: Three Core Process Archetypes.” Proceedings of R&D Management Conference, Lisbon.
   Google Scholar
• Gassmann, O., E. Enkel, and H. Chesbrough. 2010. “The Future of Open Innovation.” R&D Management 40 (3): 213–221.
   Web of Science ®Google Scholar
• Gkypali, A., D. Filiou, and K. Tsekouras. 2017. “R&D Collaborations: Is Diversity Enhancing Innovation Performance?” Technological Forecasting and Social Change 118 (2017): 143–152.
   Google Scholar
• Gómez, J., I. Salazar, and P. Vargas. 2016. “Sources of Information as Determinants of Product and Process Innovation.” Journals.PloS One 11 (4): e0152743.
   PubMed Web of Science ®Google Scholar
• Granovetter, M. 1973. “The Strength of Weak Ties.” The American Journal of Sociology 78 (1973): 1360–1380.
   Google Scholar
• Grant, R. M. 1996. “Toward a Knowledge-Based Theory of the Firm.” Strategic Management Journal 17 (1996): 109–122.
   Google Scholar
• Hansen, M. T. 1999. “The Search-Transfer Problem: The Role of Weak Ties in Sharing Knowledge Across Organization Subunits.” Administrative Science Quarterly 44 (1): 82–111.
   Web of Science ®Google Scholar
• Hargadon, A., and R. I. Sutton. 1997. “Technology Brokering and Innovation in a Product Development Firm.” Administrative Science Quarterly 42 (4): 716–749.
   Web of Science ®Google Scholar
• Herfindahl, O. C. 1950. “Concentration in the Steel Industry.” (PhD diss). Columbia University. OCLC 5732189.
   Google Scholar
• Hirschman, A. O. 1946. “National Power and the Structure of Foreign Trade.” American Political Science Review 40 (1): 146–147.
   Web of Science ®Google Scholar
• Hoffman, K., M. Parejo, J. Besana, and L. Perren. 1998. “Small Firms, R&D, Technology and Innovation in the UK: a Literature Review.” Technovation 18 (1): 39–55.
   Web of Science ®Google Scholar
• Hwang, J., and Y. Lee. 2010. “External Knowledge Search, Innovative Performance and Productivity in the Korean ICT Sector.” Telecommunications Policy 34 (10): 562–571.
   Web of Science ®Google Scholar
• Kang, K. H., and J. Kang. 2009. “How do Firms Source External Knowledge for Innovation: Analyzing Effects of Different Knowledge Sourcing Methods.” International Journal of Innovative Management 13 (1): 1–17.
   Google Scholar
• Katila, R. 2002. “New Product Search Over Time: Past Ideas in Their Prime?” The Academy of Management Journal 45 (5): 995–1010.
   Web of Science ®Google Scholar
• Katila, R., and G. Ahuja. 2002. “Something old, Something new: A Longitudinal Study of Search Behavior and new Product Introduction.” The Academy of Management Journal 45 (6): 1183–1194.
   Web of Science ®Google Scholar
• Kline, S., and N. Rosenberg. 1986. “An Overview of Innovation.” In The Positive Sum Strategy: Harnessing Technology for Economic Growth, edited by R. Landau, and N. Rosenberg, 275–306. Washington, DC: National Academy of Sciences.
   Google Scholar
• Laursen, K., and A. Salter. 2006. “Open for Innovation: the Role of Openness in Explaining Innovation Performance among U.K. Manufacturing Firms.” Strategic Management Journal 43 (5): 867–878.
   Google Scholar
• Laursen, K., and A. Salter. 2014. “The Paradox of Openness: Appropriability, External Search and Collaboration.” Research Policy 33 (8): 1201–1215.
   Google Scholar
• Lee, A. H., W. M. Wang, and T. Y. Lin. 2010. “An Evaluation Framework for Technology Transfer of new Equipment in the High Technology Industry.” Technological Forecasting and Social Change 77 (1): 135–150.
   Web of Science ®Google Scholar
• Leiponen, A., and C. E. Helfat. 2010. “Innovation Objectives, Knowledge Sources, and the Benefits of Breadth.” Strategic Management 31 (2): 224–236.
   Web of Science ®Google Scholar
• Leiponen, A., and C. E. Helfat. 2011. “Location, Decentralization, and Knowledge Sources for Innovation.” Organization Science 22 (3): 641–658.
   Web of Science ®Google Scholar
• Lin, B. W., and C. H. Wu. 2010. “How Does Knowledge Depth Moderate the Performance of Internal and External Knowledge Sourcing Strategies?” Technovation 30 (11-12): 582–589.
   Web of Science ®Google Scholar
• Lind, J. T., and H. Mehlum. 2010. “With or Without U? The Appropriate Test for a U-Shaped Relationship.” Oxford Bulletin of Economics and Statistics 72 (1): 109–118.
   Web of Science ®Google Scholar
• Love, J. H., and M. A. Mansury. 2007. “External Linkages, R&D and Innovation Performance in US Business Services.” Industry and Innovation 14 (5): 477–496.
   Google Scholar
• Lukas, B. A., and O. C. Ferrell. 2000. “The Effect of Market Orientation on Product Innovation.” Journal of the Academy of Marketing Science 28 (2): 239–247.
   Web of Science ®Google Scholar
• Lundvall, B. A. 2007. “National Innovation Systems – Analytical Concept and Development Tool.” Industry and Innovation 14 (1): 95–119.
   Google Scholar
• Mannheim Innovation Panel. https://www.zew.de/en/publications/zew-expertises-research-reports/research- reports/innovations/mannheim-innovation-panel-the-annual-german-innovation-survey.
   Google Scholar
• March, J. G. 1991. “Exploration and Exploitation in Organizational Learning.” Organization Science 2 (1): 1–13.
   Web of Science ®Google Scholar
• Maskell, P., H. Bathelt, and A. Malmberg. 2006. “Building Global Knowledge Pipelines: The Role of Temporary Clusters.” European Planning Studies 14 (8): 997–1013.
   Web of Science ®Google Scholar
• Medase, S. K., and S. Abdul-Basit. 2020. “External Knowledge Modes and Firm-Level Innovation Performance: Empirical Evidence from sub-Saharan Africa.” Journal of Innovation & Knowledge 5 (2020): 81–95.
   Google Scholar
• Miotti, L., and F. Sachwald. 2003. “Co-operative R&D: Why and with Whom? An Integrated Framework of Analysis.” Research Policy 32 (8): 1481–1499.
   Web of Science ®Google Scholar
• Ocasio, W. 1997. “Towards an Attention-Based View of the Firm.” Strategic Management Journal 18 (SI): 187–206.
   Google Scholar
• Ocasio, W. 2011. “Attention to Attention.” Organization Science 22 (5): 1286–1296.
   Web of Science ®Google Scholar
• OECD. 2005. “The Measurement of Scientific and Technological Activities.” In Oslo Manual. Guidelines for Collecting and Interpreting Innovation Data. (3rd ed.) Paris: OECD EUROSTAT.
   Google Scholar
• Poot, T., D. Faems, and W. Vanhaverbeke. 2009. “Toward a Dynamic Perspective on Open Innovation: a Longitudinal Assessment of the Adoption of Internal and External Innovation Strategies in the Netherlands.” International Journal of Innovation Management 13 (2): 177–200.
   Google Scholar
• Radicic, D. 2020. “Breadth of External Knowledge Search in Service Sector.” Business Process Management Journal 27 (1): 230–252.
   Web of Science ®Google Scholar
• Romero, I., and J. A. Martinez-Roman. 2012. “Self-employment and Innovation. Exploring the Determinants of Innovative Behavior in Small Businesses.” Research Policy 41 (1): 178–189.
   Web of Science ®Google Scholar
• Romijn, H., and M. Albaladejo. 2002. “Determinants of Innovation Capability in Small Electronics and Software Firms in Southeast England.” Research Policy 31 (7): 1053–1067.
   Web of Science ®Google Scholar
• Rosenkopf, L., and A. Nerkar. 2001. “Beyond Local Search: Boundary-Spanning, Exploration, and Impact in the Optical Disk Industry.” Strategic Management Journal 22 (4): 287–306.
   Web of Science ®Google Scholar
• Segarra-Cipres, M., and J. C. Bou-LIusar. 2018. “External Knowledge Search for Innovation: The Role of Firms Innovation Strategy and Industry Context.” Journal of Knowledge Management 22 (2): 280–298.
   Web of Science ®Google Scholar
• Simon, H. A. 1947. Administrative Behavior. Chicago, IL: Macmillan.
   Google Scholar
• Simpson, E. 1949. “Measurement of Diversity.” Nature 163 (1949): 688.
   Google Scholar
• Teece, D. J. 1986. “Profiting from Technological Innovation: Implications for Integration, Collaboration, Licensing and Public Policy.” Research Policy 15 (6): 285–305.
   Web of Science ®Google Scholar
• Teece, D. J. 2000. “Strategies for Managing Knowledge Assets: The Role of Firm Structure and Industrial Context.” Long Range Planning 33 (1): 35–54.
   Web of Science ®Google Scholar
• Terjesen, S., and P. C. Patel. 2015. “In Search of Process Innovations: the Role of Search Depth, Search Breadth and the Industry Environment.” Journal of Management 43 (5): 1421–1446.
   Web of Science ®Google Scholar
• Tether, B. S., and A. Tajar. 2008. “Beyond Industry-University Links: Sourcing Knowledge for Innovation from Consultants, Private Research Organizations and the Public Science-Based.” Research Policy 37 (6-7): 1079–1095.
   Web of Science ®Google Scholar
• Tortoriello, M., B. McEvily, and D. Krackhardt. 2014. “Being a Catalyst of Innovation: The Role of Knowledge Diversity and Network Closure.” Organization Science 26 (2): 311–631.
   Web of Science ®Google Scholar
• Trantopoulos, K., G. von-Krough, M. W. Wallin, and M. Woerter. 2017. “External Knowledge and Information Technology: Implications for Process Innovation Performance.” MIS Quarterly 41 (1): 287–300.
   Web of Science ®Google Scholar
• Varga, A., D. Pontikakis, and G. Chorafakis. 2014. “Metropolitan Edison and Cosmopolitan Pasteur? Agglomeration and Interregional Research Network Effects on European R&D Productivity.” Journal of Economic Geography 14 (2): 229–263.
   Web of Science ®Google Scholar
• von Hippel, E., and G. von Krogh. 2016. “Crossroads—Identifying Viable Need–Solution Pairs: Problem Solving Without Problem Formulation.” Organization Science 27 (1): 207–221.
   Web of Science ®Google Scholar
• Zahra, S. A., and G. George. 2002. “Absorptive Capacity: A Review, Reconceptualization and Extension.” Academy of Management Review 27 (2): 185–202.
   Web of Science ®Google Scholar
• Zhou, K. Z., and C. B. Li. 2012. “How Knowledge Affects Radical Innovation: Knowledge Base, Market Knowledge Acquisition, and Internal Knowledge Sharing.” Strategic Management Journal 33 (9): 1090–1102.
   Web of Science ®Google Scholar