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Oaxaca-Blinder meets Kitagawa: What is the link?

Author

Listed:
  • Ronald L Oaxaca
  • Eva Sierminska

Abstract

Recently, papers have started combining the naming of two popular decomposition methods: the Oaxaca-Blinder (OB) method and the Kitagawa method, a popular method in demographics and sociology. Although the two approaches have the same objective in terms of decomposing outcome differences in some variable of interest between two populations, they are framed quite differently and do not overlap except in a special set of circumstances. In the light of Kitigawa’s early precedence, its more recent association with OB, and the seeming lack of any detailed analysis of the exact relationship between Kitigawa’s methodology in the literature, in this paper we show the precise relationship between Kitagawa’s approach and that of OB. The paper also provides a citation history of the papers.

Suggested Citation

  • Ronald L Oaxaca & Eva Sierminska, 2025. "Oaxaca-Blinder meets Kitagawa: What is the link?," PLOS ONE, Public Library of Science, vol. 20(5), pages 1-8, May.
    • Handle: RePEc:plo:pone00:0321874
    DOI: 10.1371/journal.pone.0321874
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    Cited by:

    1. Åslund, Olof & Larsson, Fredrik & Laun, Lisa, 2024. "Joining late, leaving early? Immigrant-native disparities in labor market exit," Labour Economics, Elsevier, vol. 89(C).
    2. Emmanuel Flachaire & Bertille Picard, 2025. "Decomposing Inequalities using Machine Learning and Overcoming Common Support Issues," Papers 2511.13433, arXiv.org.
    3. Thaning, Max & Nieuwenhuis, Rense, 2025. "mKBO: Multigroup Kitagawa-Blinder-Oaxaca Decomposition," SocArXiv 6twvj_v1, Center for Open Science.

    More about this item

    JEL classification:

    • A10 - General Economics and Teaching - - General Economics - - - General
    • B41 - Schools of Economic Thought and Methodology - - Economic Methodology - - - Economic Methodology
    • J0 - Labor and Demographic Economics - - General

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