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Uniqueness of concentration index

Author

Listed:
  • Yimin Yang

    (Protiviti Inc., 1290 6th Ave, New York, NY 10104, USA)

Abstract

This paper establishes axioms for concentration index (CI) and its allocation function. It proves that the Herfindahl index (HI) and the square allocation function are the only one that satisfies these rules.

Suggested Citation

  • Yimin Yang, 2014. "Uniqueness of concentration index," Journal of Financial Engineering (JFE), World Scientific Publishing Co. Pte. Ltd., vol. 1(02), pages 1-9.
    • Handle: RePEc:wsi:jfexxx:v:01:y:2014:i:02:n:s2345768614500202
    DOI: 10.1142/S2345768614500202
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    References listed on IDEAS

    as
    1. Plata-Pérez, L. & Sánchez-Pérez, J. & Sánchez-Sánchez, F., 2015. "An elementary characterization of the Gini index," Mathematical Social Sciences, Elsevier, vol. 74(C), pages 79-83.
    2. George J. Stigler, Chairman, Universities-National Bureau Committee for Economic Research, 1955. "Business Concentration and Price Policy," NBER Books, National Bureau of Economic Research, Inc, number univ55-1.
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