[go: up one dir, main page]

IDEAS home Printed from https://ideas.repec.org/p/hhs/lucirc/2021_002.html
   My bibliography  Save this paper

Entrepreneurship in Cities

Author

Listed:
  • Tavassoli, Sam

    (RMIT University)

  • Obchonka, Martin

    (Australian Center for Entrepreneurship Research)

  • Audretsch, David B.

    (Indiana University)

Abstract
Impactful, growth-oriented entrepreneurship is a major research and policy focus. Building on arguments put forward by Jane Jacobs more than 50 years ago, we propose that local knowledge spillovers in a city are enhanced by human agency in that city (e.g. local psychological openness). This effect is critically amplified by the catalyst function of a favorable structural city environment that not only connects these agentic people (via urban density), but also facilitates the production and flow of new knowledge for these connected agentic people (via a diverse industry mix). This three-way interaction effect was confirmed in our empirical investigation of quality entrepreneurship across the MSAs (cities) in the US, using a large-scale dataset of the psychological profiles of millions of people. Local openness shows a robust positive effect on the level of quality entrepreneurship. This effect is further strengthened by a favorable structural city environment (i.e. high density and diversity) by up to 35%. Reviving Jacobs’ people focus, the results indicate that the best performing cities in terms of knowledge spillovers and economic performance are those that are not only home to, and attract, agentic people, but also empower these people by means of a physical and industrial city landscape that enables them to act in more innovative and entrepreneurial ways, as envisioned by Jacobs. We discuss the policy implications of our findings and an agenda for future research.

Suggested Citation

  • Tavassoli, Sam & Obchonka, Martin & Audretsch, David B., 2021. "Entrepreneurship in Cities," Papers in Innovation Studies 2021/2, Lund University, CIRCLE - Centre for Innovation Research.
  • Handle: RePEc:hhs:lucirc:2021_002
    as

    Download full text from publisher

    File URL: http://wp.circle.lu.se/upload/CIRCLE/workingpapers/202102_tavassoli.pdf
    File Function: Full text
    Download Restriction: no
    ---><---

    Other versions of this item:

    References listed on IDEAS

    as
    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. Bettencourt, Luis M.A. & Lobo, Jose & Strumsky, Deborah, 2007. "Invention in the city: Increasing returns to patenting as a scaling function of metropolitan size," Research Policy, Elsevier, vol. 36(1), pages 107-120, February.
    3. Fritsch, Michael & Wyrwich, Michael, 2021. "Is innovation (increasingly) concentrated in large cities? An international comparison," Research Policy, Elsevier, vol. 50(6).
    4. Sam Tavassoli & Lars Bengtsson & Charlie Karlsson, 2017. "Strategic entrepreneurship and knowledge spillovers: spatial and aspatial perspectives," International Entrepreneurship and Management Journal, Springer, vol. 13(1), pages 233-249, March.
    5. Michael Porter, 2003. "The Economic Performance of Regions," Regional Studies, Taylor & Francis Journals, vol. 37(6-7), pages 549-578.
    6. Martin Obschonka & Neil Lee & Andrés Rodríguez-Pose & Johannes C. Eichstaedt & Tobias Ebert, 0. "Big data methods, social media, and the psychology of entrepreneurial regions: capturing cross-county personality traits and their impact on entrepreneurship in the USA," Small Business Economics, Springer, vol. 0, pages 1-22.
    7. Gilles Duranton & Diego Puga, 2000. "Diversity and Specialisation in Cities: Why, Where and When Does it Matter?," Urban Studies, Urban Studies Journal Limited, vol. 37(3), pages 533-555, March.
    8. Michael Storper & Anthony J. Venables, 2004. "Buzz: face-to-face contact and the urban economy," Journal of Economic Geography, Oxford University Press, vol. 4(4), pages 351-370, August.
    9. Andersson, Martin & Larsson, Johan P & Wernberg, Joakim, 2019. "The economic microgeography of diversity and specialization externalities – firm-level evidence from Swedish cities," Research Policy, Elsevier, vol. 48(6), pages 1385-1398.
    10. Gilles Duranton & Diego Puga, 2001. "Nursery Cities: Urban Diversity, Process Innovation, and the Life Cycle of Products," American Economic Review, American Economic Association, vol. 91(5), pages 1454-1477, December.
    11. Davidsson, Per & Wiklund, Johan, 1997. "Values, beliefs and regional variations in new firm formation rates," Journal of Economic Psychology, Elsevier, vol. 18(2-3), pages 179-199, April.
    12. Beaudry, Catherine & Schiffauerova, Andrea, 2009. "Who's right, Marshall or Jacobs? The localization versus urbanization debate," Research Policy, Elsevier, vol. 38(2), pages 318-337, March.
    13. Lewis Dijkstra & Hugo Poelman & Andrés Rodríguez-Pose, 2020. "The geography of EU discontent," Regional Studies, Taylor & Francis Journals, vol. 54(6), pages 737-753, June.
    14. David B. Audretsch (ed.), 2006. "Entrepreneurship, Innovation and Economic Growth," Books, Edward Elgar Publishing, number 4130.
    15. Mercedes Delgado & Michael E. Porter & Scott Stern, 2016. "Defining clusters of related industries," Journal of Economic Geography, Oxford University Press, vol. 16(1), pages 1-38.
    16. John M. Quigley, 1998. "Urban Diversity and Economic Growth," Journal of Economic Perspectives, American Economic Association, vol. 12(2), pages 127-138, Spring.
    17. Feldman, Maryann P. & Audretsch, David B., 1999. "Innovation in cities:: Science-based diversity, specialization and localized competition," European Economic Review, Elsevier, vol. 43(2), pages 409-429, February.
    18. 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.
    19. Carolina Castaldi & Koen Frenken & Bart Los, 2015. "Related Variety, Unrelated Variety and Technological Breakthroughs: An analysis of US State-Level Patenting," Regional Studies, Taylor & Francis Journals, vol. 49(5), pages 767-781, May.
    20. Adriaan Van Stel & Henry Nieuwenhuijsen, 2004. "Knowledge Spillovers and Economic Growth: An Analysis Using Data of Dutch Regions in the Period 1987-1995," Regional Studies, Taylor & Francis Journals, vol. 38(4), pages 393-407.
    21. Robert Huggins & Piers Thompson, 2019. "The behavioural foundations of urban and regional development: culture, psychology and agency," Journal of Economic Geography, Oxford University Press, vol. 19(1), pages 121-146.
    22. Rita Almeida, 2007. "Local Economic Structure and Growth," Spatial Economic Analysis, Taylor & Francis Journals, vol. 2(1), pages 65-90.
    23. Michael Stuetzer & David B. Audretsch & Martin Obschonka & Samuel D. Gosling & Peter J. Rentfrow & Jeff Potter, 2018. "Entrepreneurship culture, knowledge spillovers and the growth of regions," Regional Studies, Taylor & Francis Journals, vol. 52(5), pages 608-618, May.
    24. Decker, Ryan A. & Haltiwanger, John & Jarmin, Ron S. & Miranda, Javier, 2016. "Where has all the skewness gone? The decline in high-growth (young) firms in the U.S," European Economic Review, Elsevier, vol. 86(C), pages 4-23.
    25. Sam Tavassoli & Viroj Jienwatcharamongkhol, 2016. "Survival of entrepreneurial firms: the role of agglomeration externalities," Entrepreneurship & Regional Development, Taylor & Francis Journals, vol. 28(9-10), pages 746-767, October.
    26. Almlund, Mathilde & Duckworth, Angela Lee & Heckman, James & Kautz, Tim, 2011. "Personality Psychology and Economics," Handbook of the Economics of Education, in: Erik Hanushek & Stephen Machin & Ludger Woessmann (ed.), Handbook of the Economics of Education, edition 1, volume 4, chapter 0, pages 1-181, Elsevier.
    27. 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.
    28. 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.
    29. Diego Puga, 2010. "The Magnitude And Causes Of Agglomeration Economies," Journal of Regional Science, Wiley Blackwell, vol. 50(1), pages 203-219, February.
    30. Sam Tavassoli & Nunzia Carbonara, 2014. "The role of knowledge variety and intensity for regional innovation," Small Business Economics, Springer, vol. 43(2), pages 493-509, August.
    31. Haifeng Qian & Zoltán J. Ács, 2015. "An absorptive capacity theory of knowledge spillover entrepreneurship," Chapters, in: Global Entrepreneurship, Institutions and Incentives, chapter 9, pages 161-173, Edward Elgar Publishing.
    32. Neil Lee, 2017. "Psychology and the Geography of Innovation," Economic Geography, Taylor & Francis Journals, vol. 93(2), pages 106-130, March.
    33. Agrawal, Ajay & Cockburn, Iain & Galasso, Alberto & Oettl, Alexander, 2014. "Why are some regions more innovative than others? The role of small firms in the presence of large labs," Journal of Urban Economics, Elsevier, vol. 81(C), pages 149-165.
    34. Kaiser, Ulrich, 2002. "Measuring knowledge spillovers in manufacturing and services: an empirical assessment of alternative approaches," Research Policy, Elsevier, vol. 31(1), pages 125-144, January.
    35. Henderson, J. Vernon, 2003. "Marshall's scale economies," Journal of Urban Economics, Elsevier, vol. 53(1), pages 1-28, January.
    36. Pierre Desrochers & Samuli Leppälä, 2011. "Opening up the 'Jacobs Spillovers' black box: local diversity, creativity and the processes underlying new combinations," Journal of Economic Geography, Oxford University Press, vol. 11(5), pages 843-863, September.
    37. Lucas, Robert Jr., 1988. "On the mechanics of economic development," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 3-42, July.
    38. Andrea Caragliu & Laura de Dominicis & Henri L.F. de Groot, 2016. "Both Marshall and Jacobs were Right!," Economic Geography, Taylor & Francis Journals, vol. 92(1), pages 87-111, January.
    39. Catherine Fazio & Jorge Guzman & Scott Stern, 2020. "The Impact of State-Level Research and Development Tax Credits on the Quantity and Quality of Entrepreneurship," Economic Development Quarterly, , vol. 34(2), pages 188-208, May.
    40. Edwards, Jeffrey R., 1994. "The Study of Congruence in Organizational Behavior Research: Critique and a Proposed Alternative," Organizational Behavior and Human Decision Processes, Elsevier, vol. 58(1), pages 51-100, April.
    41. Rupasingha, Anil & Goetz, Stephan J. & Freshwater, David, 2006. "The production of social capital in US counties," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 35(1), pages 83-101, February.
    42. Heckman, James J., 2011. "Integrating Personality Psychology into Economics," IZA Discussion Papers 5950, Institute of Labor Economics (IZA).
    43. Martin Obschonka & Michael Stuetzer & Samuel D Gosling & Peter J Rentfrow & Michael E Lamb & Jeff Potter & David B Audretsch, 2015. "Entrepreneurial Regions: Do Macro-Psychological Cultural Characteristics of Regions Help Solve the “Knowledge Paradox” of Economics?," PLOS ONE, Public Library of Science, vol. 10(6), pages 1-21, June.
    44. Haifeng Qian & Zoltán J. Ács & Roger R. Stough, 2015. "Regional systems of entrepreneurship: the nexus of human capital, knowledge and new firm formation," Chapters, in: Global Entrepreneurship, Institutions and Incentives, chapter 14, pages 257-285, Edward Elgar Publishing.
    45. Delgado, Mercedes & Mills, Karen G., 2020. "The supply chain economy: A new industry categorization for understanding innovation in services," Research Policy, Elsevier, vol. 49(8).
    46. Magnus Henrekson & Tino Sanandaji, 2020. "Measuring Entrepreneurship: Do Established Metrics Capture Schumpeterian Entrepreneurship?," Entrepreneurship Theory and Practice, , vol. 44(4), pages 733-760, July.
    47. César Hidalgo & Pierre-Alexandre Balland & Ron Boschma & Mercedes Delgado & Maryann Feldma & Koen Frenken & Edward Glaeser & Canfei He & Dieter F. Kogler & Andrea Morrison & Frank Neffke & David Rigby, 2018. "The Principle of Relatedness," Papers in Evolutionary Economic Geography (PEEG) 1830, Utrecht University, Department of Human Geography and Spatial Planning, Group Economic Geography, revised Jul 2018.
    48. Audretsch, David B. & Keilbach, Max C. & Lehmann, Erik E., 2006. "Entrepreneurship and Economic Growth," OUP Catalogue, Oxford University Press, number 9780195183511.
    49. Kejun Song & Gerald Simons & Wei Sun, 2019. "Knowledge Spillovers and Local Industry Growth: A Patent Citation Approach," The American Economist, Sage Publications, vol. 64(1), pages 60-72, March.
    50. Obschonka, Martin & Stuetzer, Michael & Gosling, Samuel D. & Rentfrow, Peter J. & Lamb, Michael E. & Potter, Jeff & Audretsch, David B., 2015. "Entrepreneurial Regions: Do Macro-psychological Cultural Characteristics of Regions help solve the “Knowledge Paradox” of Economics?," MPRA Paper 65323, University Library of Munich, Germany.
    51. Koen Frenken & Frank Van Oort & Thijs Verburg, 2007. "Related Variety, Unrelated Variety and Regional Economic Growth," Regional Studies, Taylor & Francis Journals, vol. 41(5), pages 685-697.
    52. Jorge Guzman & Scott Stern, 2016. "The State of American Entrepreneurship: New Estimates of the Quality and Quantity of Entrepreneurship for 32 US States, 1988-2014," NBER Working Papers 22095, National Bureau of Economic Research, Inc.
    53. Henri L.F. Groot & Jacques Poot & Martijn J. Smit, 2016. "Which Agglomeration Externalities Matter Most And Why?," Journal of Economic Surveys, Wiley Blackwell, vol. 30(4), pages 756-782, September.
    54. Liang, Jiaochen & Goetz, Stephan J., 2018. "Technology intensity and agglomeration economies," Research Policy, Elsevier, vol. 47(10), pages 1990-1995.
    55. Ron Johnston & David Manley & Kelvyn Jones, 2016. "Spatial Polarization of Presidential Voting in the United States, 1992–2012: The “Big Sort” Revisited," Annals of the American Association of Geographers, Taylor & Francis Journals, vol. 106(5), pages 1047-1062, September.
    56. Richard Florida & Patrick Adler & Charlotta Mellander, 2017. "The city as innovation machine," Regional Studies, Taylor & Francis Journals, vol. 51(1), pages 86-96, January.
    57. Yong Suk Lee, 2017. "Entrepreneurship, small businesses and economic growth in cities," Journal of Economic Geography, Oxford University Press, vol. 17(2), pages 311-343.
    58. Obschonka, Martin & Stuetzer, Michael & Rentfrow, Peter J. & Shaw-Taylor, Leigh & Satchell, Max & Silbereisen, Rainer K. & Potter, Jeff & Gosling, Samuel D., 2018. "In the shadow of coal: How large-scale industries contributed to present-day regional differences in personality and well-being," MPRA Paper 89645, University Library of Munich, Germany.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Cheng, Ruiqi & Yuan, Peng & Jiang, Gongxiong, 2023. "Growth, agglomeration externalities, and survival: Evidence from Chinese manufacturing start-ups," Journal of Business Research, Elsevier, vol. 154(C).
    2. Tai-Shan Hu & Ssu-Chi Pan & Hai-Ping Lin, 2021. "Development, Innovation, and Circular Stimulation for a Knowledge-Based City: Key Thoughts," Energies, MDPI, vol. 14(23), pages 1-17, November.
    3. Michael Fritsch & Martin Obschonka & Fabian Wahl & Michael Wyrwich, 2021. "Cultural Imprinting: Ancient Origins of Entrepreneurship and Innovation in Germany," Jena Economics Research Papers 2021-012, Friedrich-Schiller-University Jena.
    4. Sam Tavassoli & Viroj Jienwatcharamongkhol & Pia Arenius, 2023. "Colocation of Entrepreneurs and New Firm Survival: Role of New Firm Founder’s Experiential Relatedness to Local Entrepreneurs," Entrepreneurship Theory and Practice, , vol. 47(4), pages 1421-1459, July.
    5. Jan & Aleksandra & Windham, 2021. "City policies to promote entrepreneurship: A cross-country comparison of Poland and Germany," Journal of Entrepreneurship, Management and Innovation, Fundacja Upowszechniająca Wiedzę i Naukę "Cognitione", vol. 17(2), pages 159-185.
    6. Colleen Casey & Timothy Bates & Joseph Farhat, 2023. "Linkages between regional characteristics and small businesses viability," Small Business Economics, Springer, vol. 61(2), pages 617-629, August.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Haifeng Qian, 2018. "Knowledge-Based Regional Economic Development: A Synthetic Review of Knowledge Spillovers, Entrepreneurship, and Entrepreneurial Ecosystems," Economic Development Quarterly, , vol. 32(2), pages 163-176, May.
    2. Robert Huggins & Piers Thompson, 2015. "Entrepreneurship, innovation and regional growth: a network theory," Small Business Economics, Springer, vol. 45(1), pages 103-128, June.
    3. Ejdemo, Thomas & Örtqvist, Daniel, 2020. "Related variety as a driver of regional innovation and entrepreneurship: A moderated and mediated model with non-linear effects," Research Policy, Elsevier, vol. 49(7).
    4. Thomas Ejdemo & Daniel Örtqvist, 2021. "Exploring a leading and lagging regions dichotomy: does entrepreneurship and diversity explain it?," Journal of Innovation and Entrepreneurship, Springer, vol. 10(1), pages 1-26, December.
    5. Andersson, Martin & Larsson, Johan P & Wernberg, Joakim, 2019. "The economic microgeography of diversity and specialization externalities – firm-level evidence from Swedish cities," Research Policy, Elsevier, vol. 48(6), pages 1385-1398.
    6. Obschonka, Martin & Tavassoli, Sam & Rentfrow, P. Jason & Potter, Jeff & Gosling, Samuel D., 2023. "Innovation and inter-city knowledge spillovers: Social, geographical, and technological connectedness and psychological openness," Research Policy, Elsevier, vol. 52(8).
    7. Matthias Firgo & Peter Mayerhofer, 2015. "Wissens-Spillovers und regionale Entwicklung - welche strukturpolitische Ausrichtung optimiert des Wachstum?," Working Paper Reihe der AK Wien - Materialien zu Wirtschaft und Gesellschaft 144, Kammer für Arbeiter und Angestellte für Wien, Abteilung Wirtschaftswissenschaft und Statistik.
    8. Park, Jeong-Il, 2020. "Industrial diversity in building units and factors associated with diversity: A case study of the Seoul Metropolitan Area," Research Policy, Elsevier, vol. 49(5).
    9. Matthias Firgo & Peter Mayerhofer, 2015. "Wissensintensive Unternehmensdienste, Wissens-Spillovers und regionales Wachstum. Teilprojekt 1: Wissens-Spillovers und regionale Entwicklung – Welche strukturpolitische Ausrichtung optimiert das Wach," WIFO Studies, WIFO, number 58342, March.
    10. Frank G. van Oort & Martijn J. Burger & Joris Knoben & Otto Raspe, 2012. "Multilevel Approaches And The Firm-Agglomeration Ambiguity In Economic Growth Studies," Journal of Economic Surveys, Wiley Blackwell, vol. 26(3), pages 468-491, July.
    11. Javier Changoluisa, 2021. "The early development of new establishments: An evaluation of the role of spatial selection and agglomeration," Jena Economics Research Papers 2021-009, Friedrich-Schiller-University Jena.
    12. Andersson, Martin & Larsson, Johan P. & Wernberg, Joakim, 2017. "The Economic Microgeography of Diversity and Specialization," Working Paper Series 1167, Research Institute of Industrial Economics.
    13. Kim, Jungho & Kollmann, Trevor & Palangkaraya, Alfons & Webster, Elizabeth, 2022. "Does local technological specialisation, diversity and dynamic competition enhance firm creation?," Research Policy, Elsevier, vol. 51(7).
    14. Katiuscia Lavoratori & Davide Castellani, 2021. "Too close for comfort? Microgeography of agglomeration economies in the United Kingdom," Journal of Regional Science, Wiley Blackwell, vol. 61(5), pages 1002-1028, November.
    15. Carlos Carreira & Luís Lopes, 2016. "Collecting new pieces to the regional knowledge spillovers puzzle: high-tech versus low-tech industries," GEMF Working Papers 2016-06, GEMF, Faculty of Economics, University of Coimbra.
    16. Balázs Páger & Éva Komlósi, 2015. "Agglomeration effects on countries' competitiveness and entrepreneurial performance," ERSA conference papers ersa15p503, European Regional Science Association.
    17. Vasilios Kanellopoulos & Georgios Fotopoulos, 2019. "The effect of knowledge spillovers on regional new firm formation: The Greek manufacturing case," Environment and Planning A, , vol. 51(4), pages 1005-1030, June.
    18. Duranton, Gilles & Puga, Diego, 2014. "The Growth of Cities," Handbook of Economic Growth, in: Philippe Aghion & Steven Durlauf (ed.), Handbook of Economic Growth, edition 1, volume 2, chapter 5, pages 781-853, Elsevier.
    19. Michael Fritsch & Sandra Kublina, 2018. "Related variety, unrelated variety and regional growth: the role of absorptive capacity and entrepreneurship," Regional Studies, Taylor & Francis Journals, vol. 52(10), pages 1360-1371, October.
    20. Aurélie LALANNE & Guillaume POUYANNE, 2012. "Ten years of metropolization in economics: a bibliometric approach (In French)," Cahiers du GREThA (2007-2019) 2012-11, Groupe de Recherche en Economie Théorique et Appliquée (GREThA).

    More about this item

    Keywords

    Entrepreneurship; Cities; Jacobs externalities; Knowledge Spillovers; Diversity; Density; Personality traits; Openness; Geographical psychology;
    All these keywords.

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • L26 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Entrepreneurship
    • O18 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Urban, Rural, Regional, and Transportation Analysis; Housing; Infrastructure

    NEP fields

    This paper has been announced in the following NEP Reports:

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:hhs:lucirc:2021_002. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Torben Schubert (email available below). General contact details of provider: https://edirc.repec.org/data/circlse.html .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.