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Gibrat's Law and diversification

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  • Giulio Bottazzi
  • Angelo Secchi

Abstract

This article presents an analysis of the growth patterns of the worldwide top 200 firms in the pharmaceutical industry. A test of the Gibrat's Law of Proportionate Effect is performed and we find, in line with previous literature, a violation concerning the variance of growth. Using disaggregated data on sub-markets, we are however able to show that this violation can be completely accounted for by a diversification effect, namely a scale relation between the number of sub-markets in which a firm is active and its size. To interpret these findings, we propose a stochastic branching model of firm diversification consistent with a notion of cumulative corporate competences. Copyright 2006, Oxford University Press.

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Bibliographic Info

Article provided by Oxford University Press in its journal Industrial and Corporate Change.

Volume (Year): 15 (2006)
Issue (Month): 5 (October)
Pages: 847-875

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Handle: RePEc:oup:indcch:v:15:y:2006:i:5:p:847-875

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Cited by:
  1. Matthias Duschl & Antje Schimke & Thomas Brenner & Dennis Luxen, 2011. "Firm Growth and the Spatial Impact of Geolocated External Factors – Empirical Evidence for German Manufacturing Firms," Working Papers on Innovation and Space 2011-03, Philipps University Marburg, Department of Geography.
  2. Marco Vivarelli, 2013. "Is entrepreneurship necessarily good? Microeconomic evidence from developed and developing countries," Industrial and Corporate Change, Oxford University Press, vol. 22(6), pages 1453-1495, December.
  3. Carolina Castaldi & Giovanni Dosi, 2007. "The patterns of output growth of firms and countries: new evidence on scale invariances and scale specificities," LEM Papers Series 2007/14, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
  4. Daunfeldt, Sven-Olov & Elert, Niklas, 2010. "When is Gibrat's Law a Law?," Ratio Working Papers 158, The Ratio Institute.
  5. Alex Coad & Christina Guenther, 2013. "Diversification patterns and survival as firms mature," Small Business Economics, Springer, vol. 41(3), pages 633-649, October.
  6. Carolina Castaldi & Giovanni Dosi, 2009. "The patterns of output growth of firms and countries: Scale invariances and scale specificities," Empirical Economics, Springer, vol. 37(3), pages 475-495, December.
  7. repec:ebl:ecbull:v:12:y:2008:i:9:p:1-15 is not listed on IDEAS
  8. Belso-Martinez, Jose A. & Molina-Morales, F. Xavier & Mas-Verdu, Francisco, 2013. "Combining effects of internal resources, entrepreneur characteristics and KIS on new firms," Journal of Business Research, Elsevier, vol. 66(10), pages 2079-2089.
  9. Alex Coad & Christina Guenther, 2012. "Age, diversification and survival in the German machine tool industry, 1953-2002," Papers on Economics and Evolution 2011-23, Philipps University Marburg, Department of Geography.
  10. Matthias Duschl & Thomas Brenner, 2011. "Characteristics of Regional Industry-specific Employment Growth – Empirical Evidence for Germany," Working Papers on Innovation and Space 2011-07, Philipps University Marburg, Department of Geography.
  11. Marco Capasso & Elena Cefis & Alessandro Sapio, 2013. "Reconciling quantile autoregressions of firm size and variance–size scaling," Small Business Economics, Springer, vol. 41(3), pages 609-632, October.
  12. Santarelli, Enrico & Vivarelli, Marco, 2006. "Entrepreneurship and the Process of Firms’ Entry, Survival and Growth," IZA Discussion Papers 2475, Institute for the Study of Labor (IZA).
  13. Duschl, Matthias & Schimke, Antje & Brenner, Thomas & Luxen, Dennis, 2011. "Firm growth and the spatial impact of geolocated external factors: Empirical evidence for German manufacturing firms," Working Paper Series in Economics 36, Karlsruhe Institute of Technology (KIT), Department of Economics and Business Engineering.
  14. Wagner, Friedrich & Milaković, Mishael & Alfarano, Simone, 2010. "Firm profitability and the network of organizational capabilities," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(21), pages 4769-4775.
  15. Matthias Duschl & Antje Schimke & Thomas Brenner & Dennis Luxen, 2014. "Firm Growth and the Spatial Impact of Geolocated External Factors," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), Justus-Liebig University Giessen, Department of Statistics and Economics, vol. 234(2-3), pages 234-256, April.

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