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What Is a Commody? Two Axiomatic Anwers
(Université de Montréal. Département de sciences économiques., 2001)
We identify conditions under which preferences over sets of consumption opportunities can be reduced to preferences over bundles of \"commodities\". We distinguish ordinal bundles, whose coordinates are defined up to ...
Rationalizability of Choice Functions on General Domains without Full Transitivity
(Université de Montréal. Département de sciences économiques., 2001)
The rationalizability of a choice function by means of a transitive relation has been analyzed thoroughly in the literature. However, not much seems to be known when transitivity is weakened to quasi-transitivity or ...
Non-Deteriorating Choice
(Université de Montréal. Département de sciences économiques., 2001)
We analyze an alternative to the standard rationalizability requirement for observed choices by considering non-deteriorating selections. A selection function is a generalization of a choice function where selected ...