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The Possibility of Ordering Infinite Utility Streams
(Université de Montréal. Département de sciences économiques., 2004)
This paper revisits Diamond’s classical impossibility result regarding the ordering of infinite utility streams. We show that if no representability condition is imposed, there do exist strongly Paretian and finitely ...
Reference Groups and Individual Deprivation
(Université de Montréal. Département de sciences économiques., 2004)
We provide an axiomatization of Yitzhaki’s index of individual deprivation. Our result differs from an earlier characterization due to Ebert and Moyes in the way the reference group of an individual is represented in the ...
Intertemporal Social Evaluation
(Université de Montréal. Département de sciences économiques., 2005)
Intertemporal social-evaluation rules provide us with social criteria that can be used to assess the relative desirability of utility distributions across generations. The trade-offs between the well-being of different ...
Relative Uncertainty and Additively Representable Set Rankings
(Université de Montréal. Département de sciences économiques., 2004)
This paper proposes a definition of relative uncertainty aversion for decision models under complete uncertainty. It is shown that, for a large class of decision rules characterized by a set of plausible axioms, the new ...
Deprivation and Social Exclusion
(Université de Montréal. Département de sciences économiques., 2004)
Social exclusion manifests itself in the lack of an individual’s access to functionings as compared to other members of society. Thus, the concept is closely related to deprivation. We view deprivation as having two basic ...
Maximal-Element Rationalizability
(Université de Montréal. Département de sciences économiques., 2002)
We examine the maximal-element rationalizability of choice functions with arbitrary do-mains. While rationality formulated in terms of the choice of greatest elements according to a rationalizing relation has been analyzed ...
Critical-Level Population Principles and the Repugnant Conclusion
(Université de Montréal. Département de sciences économiques., 2002)
Critical-level generalized-utilitarian population principles with positive critical levels pro-vide an ethically attractive way of avoiding the repugnant conclusion. We discuss the axiomatic foundations of critical-level ...
A Representation Theorem for Domains with Discrete and Continuous Variables
(Université de Montréal. Département de sciences économiques., 2001)
This paper proves a new representation theorem for domains with both discrete and continuous variables. The result generalizes Debreu's well-known representation theorem on connected domains. A strengthening of the standard ...
Efficiency in Uncertain Cooperative Games
(Université de Montréal. Département de sciences économiques., 2001)
A contingent contract in a transferable utility game under uncertainty specifies an outcome for each possible state. It is assumed that coalitions evaluate these contracts by considering the minimal possible excesses. A ...
Ranking Sets of Objects
(Université de Montréal. Département de sciences économiques., 2001)
We provide a survey of the literature on ranking sets of objects. The interpretations of those set rankings include those employed in the theory of choice under complete uncertainty, rankings of opportunity sets, set ...