Choice Functions and Hard Choices

Journal of Mathematical Economics 95 (0304-4068):102479 (2021)
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A hard choice is a situation in which an agent is unable to make a justifiable choice from a given menu of alternatives. Our objective is to present a systematic treatment of the axiomatic structure of such situations. To do so, we draw on and contribute to the study of choice functions that can be indecisive, i.e., that may fail to select a non-empty set for some menus. In this more general framework, we present new characterizations of two well-known choice rules, the maximally dominant choice rule and the top-cycle choice rule. Together with existing results, this yields an understanding of the circumstances in which hard choices arise.



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Author Profiles

Martin Van Hees
VU University Amsterdam
Akshath Jitendranath
Paris School of Economics

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References found in this work

The morality of freedom.J. Raz - 1988 - Revue Philosophique de la France Et de l'Etranger 178 (1):108-109.
Hard Choices: Decision Making Under Unresolved Conflict.Isaac Levi - 1986 - New York: Cambridge University Press.
What to do when you don’t know what to do.Andrew Sepielli - 2009 - Oxford Studies in Metaethics 4:5-28.
Are hard choices cases of incomparability?Ruth Chang - 2012 - Philosophical Issues 22 (1):106-126.

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