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Development of competition indicators in the Norwegian general practice: Constructing a postal code-specific Herfindahl-Hirschman index applying STATA software

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Author Info

  • Chen, Xing

    (Department of Health Management and Health Economics)

  • Godager, Geir

    () (Department of Health Management and Health Economics)

Abstract

The purpose of this text is to describe a procedure that can be used to construct a Herfindahl-Hirschman index of market concentration based on the following two pieces of information: a) An output measure of individual producers located in areas identified with a postal code. b) A matrix containing information about the distances between the (centers of) the areas defined by postal codes. The examples presented in this text are from the market for general practitioners’ services in Norway, but applying the suggested procedures to other output measures should be straight forward. The STATA commands necessary to construct the index are provided.

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Bibliographic Info

Paper provided by Oslo University, Health Economics Research Programme in its series HERO On line Working Paper Series with number 2011:1.

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Length: 11 pages
Date of creation: 25 Oct 2011
Date of revision:
Handle: RePEc:hhs:oslohe:2011_001

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Postal: HERO / Institute of Health Management and Health Economics P.O. Box 1089 Blindern, N-0317 Oslo, Norway
Phone: 2307 5309
Fax: 2307 5310
Email:
Web page: http://www.hero.uio.no/eng.html
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Related research

Keywords: Herfindahl-Hirschman index; General practitioner; primary health care; market concentration; Norway;

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Cited by:
  1. Godager, Geir & Iversen, Tor & Albert Ma, Ching-to, 2012. "Competition, Gatekeeping, and Health Care Access," HERO On line Working Paper Series 2012:2, Oslo University, Health Economics Research Programme.

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