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Herfindahl–Hirschman index level of concentration values modification and analysis of their change

Author

Listed:
  • I. Brezina
  • J. Pekár
  • Z. Čičková
  • M. Reiff

    ()

Abstract

The Herfindahl–Hirschman Index (HHI) that measures the level of concentration in a given industry is a well-known and commonly accepted one indicator of market competition. On the basis of European Union Commission guidelines and HHI values, the given industry can be characterized as unconcentrated, moderately concentrated or concentrated. The paper is given over to a sensitivity analysis of HHI values, which allows simulations of concentration changes in relevant markets in order to assess new entries to the market. This paper derives relationships that allow the setting of boundaries in which the characteristic of industry concentration remains the same. Derived relations of HHI sensitivity analyses can be successfully used as a tool in assessing the entry of new subjects into any industry. In the case of economies with a smaller number of operating undertakings, it may be difficult to use the analysis based on the methodology of the European Commission. Therefore, the authors propose an approach of setting boundary ranges to characterize the concentration of the industry. Also, empirical analysis of the Slovak insurance industry, in which 23 insurance companies currently operate, was conducted on the basis of the European Commission methodology. Copyright Springer-Verlag Berlin Heidelberg 2016

Suggested Citation

  • I. Brezina & J. Pekár & Z. Čičková & M. Reiff, 2016. "Herfindahl–Hirschman index level of concentration values modification and analysis of their change," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 24(1), pages 49-72, March.
  • Handle: RePEc:spr:cejnor:v:24:y:2016:i:1:p:49-72
    DOI: 10.1007/s10100-014-0350-y
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    References listed on IDEAS

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    1. D.F. Leach, 1992. "Absolute vs. Relative Concentration in Manufacturing Industry, 1972–1985," South African Journal of Economics, Economic Society of South Africa, vol. 60(4), pages 229-238, December.
    2. Golan, Amos & Judge, George & Perloff, Jeffrey M, 1996. "Estimating the Size Distribution of Firms Using Government Summary Statistics," Journal of Industrial Economics, Wiley Blackwell, vol. 44(1), pages 69-80, March.
    3. Kwoka, John E, Jr, 1977. "Pricing under Federal Milk Market Regulation," Economic Inquiry, Western Economic Association International, vol. 15(3), pages 367-384, July.
    4. Oscar Bajo & Rafael Salas, 2002. "Inequality foundations of concentration measures: An application to the Hannah-Kay indices," Spanish Economic Review, Springer;Spanish Economic Association, vol. 4(4), pages 311-316.
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    Cited by:

    1. Maurizio Naldi & Marta Flamini, 2018. "Dynamics of the Hirschman–Herfindahl Index under New Market Entries," Economic Papers, The Economic Society of Australia, vol. 37(3), pages 344-362, September.
    2. Martin Bod’a, 2017. "Stochastic sensitivity analysis of concentration measures," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 25(2), pages 441-471, June.

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