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A Problem of Optimal Choice and Assignment

Author

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  • John S. Rose

    (University of Richmond, Richmond, Virginia)

Abstract

Within the conventional framework of the so-called secretary problem, we introduce two decision makers, one of whom is dominant. The objectives are to select the two best objects and immediately to assign them to the decision makers so that the dominant one obtains the best object. Optimal strategies for selection and assignment, and the maximum probability of achieving the objectives, are derived. We also investigate an important suboptimal strategy: the dominant decision maker acts to maximize the probability of obtaining the very best object while, independently, the other decision maker acts to maximize the probability of selecting the second best. Although it has intuitive appeal, this suboptimal strategy is rather poor; indeed, the two decision makers may trade with one another the objects they select without affecting their chances of obtaining the desired objects. An interesting by-product of this study is that a simple solution in closed form is obtained for the problem of selecting the second best object.

Suggested Citation

  • John S. Rose, 1982. "A Problem of Optimal Choice and Assignment," Operations Research, INFORMS, vol. 30(1), pages 172-181, February.
    • Handle: RePEc:inm:oropre:v:30:y:1982:i:1:p:172-181
    DOI: 10.1287/opre.30.1.172
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    Cited by:

    1. Fouad Ben Abdelaziz & Ray Saadaoui Mallek, 2018. "Multi-criteria optimal stopping methods applied to the portfolio optimisation problem," Annals of Operations Research, Springer, vol. 267(1), pages 29-46, August.
    2. Bruss, F. Thomas & Paindaveine, Davy, 2000. "Selecting a sequence of last successes in independent trials," MPRA Paper 21166, University Library of Munich, Germany.
    3. L. Bayón & P. Fortuny Ayuso & J. M. Grau & A. M. Oller-Marcén & M. M. Ruiz, 2018. "The Best-or-Worst and the Postdoc problems," Journal of Combinatorial Optimization, Springer, vol. 35(3), pages 703-723, April.
    4. L. Bayón & P. Fortuny & J. Grau & A. M. Oller-Marcén & M. M. Ruiz, 2019. "The Best-or-Worst and the Postdoc problems with random number of candidates," Journal of Combinatorial Optimization, Springer, vol. 38(1), pages 86-110, July.

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