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Reducing Bias in a Personnel Assignment Process via Multiplicative Utility Solution

Author

Listed:
  • Yufei Yuan

    (Faculty of Business, McMaster University, Hamilton, Ontario, Canada)

  • Abraham Mehrez

    (Department of Industrial Engineering and Management, Ben-Gurion University of the Negev, Beer Sheva, Israel)

  • Amiram Gafni

    (Centre for Health Economics and Policy Analysis, Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada)

Abstract

In this paper we consider a type of bias which stems from the mathematical algorithm often used to determine an optimal match between two groups. We compare two different solution concepts for the matching assignment problem: the traditionally stable solution vs. a multiplicative utility approach that should avoid the bias. Simulation modeling leads us to conclude that: (1) With respect to all sizes compared in our experiment, applicants and employers groups were always treated far more equally under the multiplicative utility approach than the stable approach. (2) When using the stable algorithm, the size of the bias is affected by the size of the problem (i.e., the larger the problem size is the larger the performance discrepancy between two groups of participants). Further analyses of the sensitivity of the finding to different assumptions (e.g., correlation in the preference orderings of the two groups, or use of nonlinear conversion from ranks to utilities) also resulted in a superior performance of the multiplicative utility algorithm in terms of a more equitable outcome.

Suggested Citation

  • Yufei Yuan & Abraham Mehrez & Amiram Gafni, 1992. "Reducing Bias in a Personnel Assignment Process via Multiplicative Utility Solution," Management Science, INFORMS, vol. 38(2), pages 227-239, February.
    • Handle: RePEc:inm:ormnsc:v:38:y:1992:i:2:p:227-239
    DOI: 10.1287/mnsc.38.2.227
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    Citations

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    Cited by:

    1. Yuan, Yufei, 1996. "Residence exchange wanted: A stable residence exchange problem," European Journal of Operational Research, Elsevier, vol. 90(3), pages 536-546, May.
    2. Talmor, Irit, 2022. "Solving the problem of maximizing diversity in public sector teams," Socio-Economic Planning Sciences, Elsevier, vol. 81(C).
    3. Pentico, David W., 2007. "Assignment problems: A golden anniversary survey," European Journal of Operational Research, Elsevier, vol. 176(2), pages 774-793, January.

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