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Ranking sets of objects: The task-performing model

Author

Listed:
  • Asier Estevan

    (Public University of Navarre. Pamplona, Spain)

  • Esteban Induráin

    (Public University of Navarre. Pamplona, Spain)

  • Sergio Sara

    (Public University of Navarre. Pamplona, Spain)

Abstract

In the framework of the study of ranking sets of objects from an individual ranking of elements, we analyze a very specific model of preference extensions from a finite set to the family of its non-empty subsets, known as the task-performing model. This model constitutes a often used tool when a firm wants to hire more than one person based on an individual ranking on the set of candidates. We characterize its intrinsic mathematical nature as a special kind of positive natural-valued outer measure. We discuss some aspects of its use in practice.

Suggested Citation

  • Asier Estevan & Esteban Induráin & Sergio Sara, 2026. "Ranking sets of objects: The task-performing model," Economics Bulletin, AccessEcon, vol. 46(3), pages 934-948.
    • Handle: RePEc:ebl:ecbull:eb-26-00837
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    JEL classification:

    • C6 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling
    • D7 - Microeconomics - - Analysis of Collective Decision-Making

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