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Gibrat's Law and diversification

Author

Listed:
  • 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.

Suggested Citation

  • Giulio Bottazzi & Angelo Secchi, 2006. "Gibrat's Law and diversification," Industrial and Corporate Change, Oxford University Press, vol. 15(5), pages 847-875, October.
  • Handle: RePEc:oup:indcch:v:15:y:2006:i:5:p:847-875
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    Citations

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    Cited by:

    1. Enrico Santarelli & Marco Vivarelli, 2007. "Entrepreneurship and the process of firms’ entry, survival and growth," Industrial and Corporate Change, Oxford University Press, vol. 16(3), pages 455-488, June.
    2. Thomas Brenner & Matthias Duschl, 2014. "Modelling Firm and Market Dynamics - A Flexible Model Reproducing Existing Stylized Facts," Working Papers on Innovation and Space 2014-07, Philipps University Marburg, Department of Geography.
    3. Fabio Pieri, 2015. "Vertical organization of production and firm growth behavior," Working Papers 1508, Department of Applied Economics II, Universidad de Valencia.
    4. Cristina Fernández & Roberta García & Paloma Lopez-Garcia & Benedicta Marzinotto & Roberta Serafini & Juuso Vanhala & Ladislav Wintr, 2017. "Firm growth in Europe: An overview based on the COMPNET labour module," BCL working papers 107, Central Bank of Luxembourg.
    5. Mercedes Campi & Marco Due~nas & Le Li & Huabin Wu, 2018. "Diversification, economies of scope, and exports growth of Chinese firms," Papers 1801.02681, arXiv.org, revised Jan 2018.
    6. Sven-Olov Daunfeldt & Niklas Elert, 2013. "When is Gibrat’s law a law?," Small Business Economics, Springer, vol. 41(1), pages 133-147, June.
    7. Duschl Matthias & Brenner Thomas & Schimke Antje & Luxen Dennis, 2014. "Firm Growth and the Spatial Impact of Geolocated External Factors," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), De Gruyter, vol. 234(2-3), pages 234-256, April.
    8. repec:hal:journl:hal-00642696 is not listed on IDEAS
    9. 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.
    10. 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.
    11. Fabio Pieri, 2016. "Vertical organization of production and firm growth," DEM Working Papers 2016/01, Department of Economics and Management.
    12. Giovanni Dosi & Marco Grazzi & Daniele Moschella, 2017. "What do firms know? What do they produce? A new look at the relationship between patenting profiles and patterns of product diversification," Small Business Economics, Springer, vol. 48(2), pages 413-429, February.
    13. 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.
    14. 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.
    15. Alex Coad & Christina Guenther, 2013. "Diversification patterns and survival as firms mature," Small Business Economics, Springer, vol. 41(3), pages 633-649, October.
    16. repec:ebl:ecbull:v:12:y:2008:i:9:p:1-15 is not listed on IDEAS
    17. 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.
    18. 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.
    19. 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.
    20. 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.
    21. Matthias Duschl & Thomas Brenner, 2013. "Characteristics of regional industry-specific employment growth rates' distributions," Papers in Regional Science, Wiley Blackwell, vol. 92(2), pages 249-270, June.
    22. Matthias Duschl & Shi-Shu Peng, 2013. "Chinese firm dynamics and the role of ownership type A conditional estimation approach of the Asymmetric Exponential Power (AEP) density," Papers on Economics and Evolution 2014-01, Philipps University Marburg, Department of Geography.
    23. 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.
    24. 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.

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