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A Decomposition of the Herfindahl Index of Concentration

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  • de Gioia, Giacomo

Abstract

The Herfindahl index is one of the most known indices used to measure the concentration of a variable distributed over a certain number of units, and tipically to measure the degree of concentration of business in a market. Its worth is the sensitivity both to the dimensional variability of these units and to their numerical consistency. In the this note a decomposition of the H-index into these two terms is offered.

Suggested Citation

  • de Gioia, Giacomo, 2017. "A Decomposition of the Herfindahl Index of Concentration," MPRA Paper 80360, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:80360
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    File URL: https://mpra.ub.uni-muenchen.de/107233/1/MPRA_paper_107233.pdf
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    References listed on IDEAS

    as
    1. Cracau, Daniel & Lima, José E. Durán, 2016. "On the Normalized Herfindahl-Hirschman Index: A Technical Note," International Journal on Food System Dynamics, International Center for Management, Communication, and Research, vol. 7(4), pages 1-5, August.
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    Cited by:

    1. Agnieszka Kurdyś-Kujawska & Agnieszka Strzelecka & Danuta Zawadzka, 2021. "The Impact of Crop Diversification on the Economic Efficiency of Small Farms in Poland," Agriculture, MDPI, vol. 11(3), pages 1-21, March.

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    More about this item

    Keywords

    Herfindahl; Decomposition of the Herfindahl index; Industrial concentration; Metric index of concentration.;
    All these keywords.

    JEL classification:

    • C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation
    • C49 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Other
    • D40 - Microeconomics - - Market Structure, Pricing, and Design - - - General
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms

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