• An axiomatic analysis of ranking sets under simple categorization 

      Alcantud, José C. R.; Arlegi Pérez, Ricardo Upna (Springer, 2012)   Artículo / Artikulua  OpenAccess
      This paper contributes to the axiomatization of additive rules for ranking sets of objects under the psychological principle of categorization. Firstly we proceed with the case where the elements in the sets are categorized ...
    • Equality of opportunities: cardinality-based criteria 

      Arlegi Pérez, Ricardo Upna; Nieto Vázquez, Jorge Upna (1998)   Documento de trabajo / Lan gaiak  OpenAccess
      In this paper we study possible rankings of opportunity profiles. An opportunity profile is a list of sets of alternative opportunities, one set for each agent in the society. We compare such opportunity profiles on the ...
    • Freedom of choice and conflict resolution 

      Arlegi Pérez, Ricardo Upna (2005)   Documento de trabajo / Lan gaiak  OpenAccess
      This work is an output of my participation in the project 'Procedural Approaches to Conflict Resolution', coordinated by Professor Matthias Raith. The main goal of the project was making an interdisciplinary approach to ...
    • Freedom of choice: the leximax criterion in economic environments 

      Arlegi Pérez, Ricardo Upna; Besada, M.; Nieto Vázquez, Jorge Upna; Vázquez, C. (2000)   Documento de trabajo / Lan gaiak  OpenAccess
      Many recent works have investigated the question of extending a preference over a set of alternatives to its power set, as a way to provide a formal representation of the notion of freedom of choice. In general, the results ...
    • Freedom of choice: the leximax criterion in the infinite case 

      Arlegi Pérez, Ricardo Upna; Besada, M.; Nieto Vázquez, Jorge Upna; Vázquez, C. (2006)   Documento de trabajo / Lan gaiak  OpenAccess
      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 ...
    • Incomplete preferences and the preference for flexibility 

      Arlegi Pérez, Ricardo Upna (1998)   Documento de trabajo / Lan gaiak  OpenAccess
      Sometimes individual agents display in their decisions a preference for having more opportunities to choose from. In this paper this fact is interpreted from a preference for flexibility approach, which links with the ...
    • Note on Bossert, Pattanaik and Xu’s “Choice under complete uncertainty: axiomatic characterization of some decision rules” 

      Arlegi Pérez, Ricardo Upna (2002)   Documento de trabajo / Lan gaiak  OpenAccess
      Recent work by Bossert, Pattanaik and Xu provides axiomatic characterizations of some decision rules for individual decision making under complete uncertainty. This note shows that, in the case of two of these rules, they ...
    • On freedom of choice, ambiguity, and the preference for easy choices 

      Arlegi Pérez, Ricardo Upna; Dimitrov, Dinko (2006)   Documento de trabajo / Lan gaiak  OpenAccess
      This paper is devoted to the study of opportunity set comparisons when the characteristics of the options within the sets in question may be ambiguous. We assume that agents display a preference for freedom of choice, but ...
    • On procedural freedom of choice 

      Arlegi Pérez, Ricardo Upna; Dimitrov, Dinko (2004)   Documento de trabajo / Lan gaiak  OpenAccess
      Numerous works in the last decade have analyzed the question of how to compare opportunity sets as a way to measure and evaluate individual freedom of choice. This paper defends that, in many contexts, external procedural ...
    • On the equivalence of the two existing extensions of the leximax criterion to the infinite case 

      Arlegi Pérez, Ricardo Upna; Ballester Oyarzun, Miguel Ángel Upna; Besada, M.; Miguel, J. R. de; Nieto Vázquez, Jorge Upna; Vázquez, C. (2006)   Documento de trabajo / Lan gaiak  OpenAccess
      Using a common framework, we consider the two existing extensions of the leximax criterion to infinite environments (Arlegi et al. (2005) and Ballester and De Miguel (2003), and show that, though the respective definitions ...
    • Power set extensions of dichotomous preferences 

      Arlegi Pérez, Ricardo Upna; Dimitrov, Dinko (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      This paper is devoted to the study of how to extend a dichotomous partition of a universal set X into good and bad objects to an ordering on the power set of X. We introduce a family of rules that naturally take into ...
    • Ranking sets additively in decisional contexts: an axiomatic characterization 

      Arlegi Pérez, Ricardo Upna; Rodríguez Alcantud, José Carlos (2006)   Documento de trabajo / Lan gaiak  OpenAccess
      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 ...
    • Rational evaluation of actions under complete uncertainty 

      Arlegi Pérez, Ricardo Upna (2001)   Documento de trabajo / Lan gaiak  OpenAccess
      This work analyzes the problem of individual choice of actions under complete uncertainty. In this context, each action consists of a set of different possible outcomes with no probability distribution associated with them. ...
    • Uncertainty with ordinal likelihood information 

      Alcalde Unzu, Jorge Upna; Arlegi Pérez, Ricardo Upna; Ballester Oyarzun, Miguel Ángel Upna (Springer-Verlag, 2013)   Artículo / Artikulua  OpenAccess
      We present a model that is closely related to the so-called models of choice under complete uncertainty, in which the agent has no information about the probability of the outcomes. There are two approaches within the said ...
    • Uncertainty with ordinal likelihood information 

      Alcalde Unzu, Jorge Upna; Arlegi Pérez, Ricardo Upna (2007)   Documento de trabajo / Lan gaiak  OpenAccess
      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 ...
    • Variable population egalitarian ethics and the critical-level: a note 

      Arlegi Pérez, Ricardo Upna; Ballester Oyarzun, Miguel Ángel Upna; Nieto Vázquez, Jorge Upna (2000)   Documento de trabajo / Lan gaiak  OpenAccess
      This paper explores the introduction of a variable critical-level in a variable population context. We focus the attention on the “Critical-Level Egalitarian Rule”, a social evaluation procedure which compares two social ...