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Non-Deteriorating Choice without Full Transitivity
(Université de Montréal. Département de sciences économiques., 2006-08)
Although the theory of greatest-element rationalizability and maximal-element rationalizability under general domains and without full transitivity of rationalizing relations is well-developed in the literature, these ...
Infinite-Horizon Choice Functions
(Université de Montréal. Département de sciences économiques., 2006)
We analyze infinite-horizon choice functions within the setting of a simple linear technology. Time consistency and efficiency are characterized by stationary consumption and inheritance functions, as well as a transversality ...
Social Norms and Rationality of Choice
(Université de Montréal. Département de sciences économiques., 2007)
Ever since Sen (1993) criticized the notion of internal consistency of choice, there exists a wide spread perception that the standard rationalizability approach to the theory of choice has difficulties coping with the ...
Multi-Profile Intertemporal Social Choice
(Université de Montréal. Département de sciences économiques., 2012-08)
We provide a brief survey of some literature on intertemporal social choice theory in a multi-profile setting. As is well-known, Arrow’s impossibility result hinges on
the assumption that the population is finite. For ...
Revealed Preference and Choice under Uncertainty
(Université de Montréal. Département de sciences économiques., 2010-11-06)
We employ the theory of rational choice to examine whether observable choices from feasible sets of prospects can be generated by the optimization of some underlying
decision criterion under uncertainty. Rather than ...
Product Filters, Acyclicity and Suzumura Consistency
(Université de Montréal. Département de sciences économiques., 2010-11-25)
In a seminal contribution, Hansson (1976) demonstrates that the collection of
decisive coalitions associated with an Arrovian social welfare function forms an ultrafilter. He goes on to show that if transitivity is weakened ...
Expected utility without full transitivity
(Université de Montréal. Département de sciences économiques., 2014-05)
We generalize the classical expected-utility criterion by weakening transitivity to Suzumura consistency. In the absence of full transitivity, reflexivity and completeness no longer follow as a consequence of the system ...
Multi-Profile Intergenerational Social Choice
(Université de Montréal. Département de sciences économiques., 2008-06)
Ferejohn and Page transplanted a stationarity axiom from Koopmans’ theory of impatience into Arrow’s social choice theory with an infinite horizon and showed that the Arrow axioms and stationarity lead to a dictatorship ...
Rationality, External Norms and the Epistemic Value of Menus
(Université de Montréal. Département de sciences économiques., 2008-06)
Ever since Sen’s (1993; 1997) criticism on the notion of internal consistency or menu independence of choice, there exists a widespread perception that the standard revealed preference approach to the theory of rational ...
A Characterization of Consistent Collective Choice Rules
(Université de Montréal. Département de sciences économiques., 2006-08)
We characterize a class of collective choice rules such that collective preference relations are consistent. Consistency is a weakening of transitivity and a strengthening of acyclicity requiring that there be no cycles ...