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- Ricardo Arlegi, Jorge Nieto
- Mathematical Social Sciences
- 2001

- Ricardo Arlegi, Jorge Nieto
- Social Choice and Welfare
- 2001

- Ricardo Arlegi, M. Besada, Jorge Nieto, C. Vázquez
- Mathematical Social Sciences
- 2005

Many recent works have investigated the problem of extending a preference over a set of alternatives to its power set, in an attempt to provide a formal representation of the notion of freedom of choice. In general, results are limited to the finite case, which excludes, for instance, the case of economic environments. This paper deals with the possibility… (More)

- Ricardo Arlegi
- J. Economic Theory
- 2007

- Jorge Alcalde-Unzu, Ricardo Arlegi, Miguel A. Ballester
- Social Choice and Welfare
- 2013

This paper proposes a new framework of choice under uncertainty, where the only information available to the decision maker is about the the ordinal likelihood of the different outcomes each action generates. This contrasts both with the classical models where the potential outcomes of each action have an associated probability distribution, and with the… (More)

- Ricardo Arlegi, Miguel A. Ballester, M. Besada, Juan R. de Miguel, Jorge Nieto, C. Vázquez
- Mathematical Social Sciences
- 2007

Using a common framework, we consider the two existing extensions of the leximax criterion to infinite environments [Arlegi, R., Besada, M., Nieto, J., Vázquez, C., 2005. Freedom of choice: the leximax criterion in the infinite case. Mathematical Social Sciences 49, 1–15; Ballester, M., De Miguel, J.R., 2003. Extending an order to the power set: the leximax… (More)

Ranking finite subsets of a given set X of elements is the formal object of analysis in this paper. This problem has found a wide range of economic interpretations in the literature. The focus of the paper is on the family of rankings that are additively representable. Existing characterizations are too complex and hard to grasp in decisional contexts.… (More)

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