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Rational Choice on Arbitrary Domains: A Comprehensive Treatment
(Université de Montréal. Département de sciences économiques., 2005)
The rationalizability of a choice function on arbitrary domains by means of a transitive relation has been analyzed thoroughly in the literature. Moreover, characterizations of various versions of consistent rationalizability ...
Dynamic Measures of Individual Deprivation
(Université de Montréal. Département de sciences économiques., 2005)
We introduce and axiomatize a one-parameter class of individual deprivation measures. Motivated by a suggestion of Runciman, we modify Yitzhaki’s index by multiplying it by a function that is interpreted as measuring the ...
Population Ethics and the Value of Life
(Université de Montréal. Département de sciences économiques., 2003)
Public policies often involve choices of alternatives in which the size and the composition of the population may vary. Examples are the allocation of resources to prenatal care and the design of aid packages to developing ...
Harsanyi’s Social Aggregation Theorem : A Multi-Profile Approach with Variable-Population Extensions
(Université de Montréal. Département de sciences économiques., 2003)
This paper provides new versions of Harsanyi’s social aggregation theorem that are formulated in terms of prospects rather than lotteries. Strengthening an earlier result, fixed-population ex-ante utilitarianism is ...
The Axiomatic Approach to Population Ethics
(Université de Montréal. Département de sciences économiques., 2001)
This paper examines several families of population principles in the light of a set of axioms. In addition to the critical-level utilitarian, number-sensitive critical-level utilitarian and number-dampened families and ...
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 ...
Core Retionalizability in Two-Agent Exchange Economies
(Université de Montréal. Département de sciences économiques., 2000)
We provide a characterization of selection correspondences in two-person exchange economies that can be core rationalized in the sense that there exists a preference profile with some standard properties that generates the ...