• Exchange of indivisible goods and indifferences: The Top Trading Absorbing Sets mechanisms 

      Alcalde Unzu, Jorge Upna; Molis Bañales, Elena (Elsevier, 2011)   Artículo / Artikulua  OpenAccess
      There is a wide range of economic problems that involve the exchange of indivisible goods with no monetary transfers, starting from the housing market model of the seminal paper by Shapley and Scarf (1974) to problems such ...
    • Freedom of choice: John Stuart Mill and the tree of life 

      Alcalde Unzu, Jorge Upna; Ballester Oyarzun, Miguel Ángel Upna; Nieto Vázquez, Jorge Upna (Springer-Verlag, 2012)   Artículo / Artikulua  OpenAccess
      This essay deals with the notion and content of freedom of choice proposing a new set up and a new family of measures for this concept which is, indeed, an ethical value of paramount importance in a well ordered and open ...
    • Measuring the cohesiveness of preferences: an axiomatic analysis 

      Alcalde Unzu, Jorge Upna; Vorsatz, Marc (Springer Berlin Heidelberg, 2013)   Artículo / Artikulua  OpenAccess
      In this paper, we axiomatically study how to measure the similarity of preferences in a group of individuals. For simplicity, we refer to this as the cohesiveness. First, we provide axioms that characterize a family of ...
    • Non anonymous ballot aggregation: an axiomatic generalization of Approval Voting 

      Alcalde Unzu, Jorge Upna; Vorsatz, Marc (2011)   Documento de trabajo / Lan gaiak  OpenAccess
      We study axiomatically situations in which the society agrees to treat voters with different characteristics distinctly. In this setting, we propose a set of six intuitive axioms and show that they jointly characterize a ...
    • Non-anonymous ballot aggregation: an axiomatic generalization of Approval Voting 

      Alcalde Unzu, Jorge Upna; Vorsatz, Marc (Elsevier, 2013)   Artículo / Artikulua  OpenAccess
      We study axiomatically situations in which the society agrees to treat voters with different characteristics distinctly. In this setting, we propose a set of intuitive axioms and show that they jointly characterize a new ...
    • Ranking opportunity profiles through dependent evaluation of policies 

      Alcalde Unzu, Jorge Upna; Ballester Oyarzun, Miguel Ángel Upna (Springer US, 2012)   Artículo / Artikulua  OpenAccess
      Rankings to evaluate opportunity distributions present in most of the literature judge a policy (change from one distribution of opportunities to another) on the basis of the changes created and, thus, independently ...
    • Sharing the costs of cleaning a river: the Upstream Responsibility rule 

      Alcalde Unzu, Jorge Upna; Gómez Rúa, María; Molis Bañales, Elena (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      The cleaning up of waste present in transboundary rivers, which requires the cooperation of different authorities, is a problematic issue, especially when responsibility for the discharge of the waste is not well-defined. ...
    • Sharing the costs of cleaning a river: the upstream responsibility rule 

      Alcalde Unzu, Jorge Upna; Gómez Rúa, María; Molis Bañales, Elena (2013)   Documento de trabajo / Lan gaiak  OpenAccess
      The cleaning up of waste present in transboundary rivers, which requires the cooperation of different authorities, is a problematic issue, especially when responsibility for the discharge of the waste is not well-defined. ...
    • Size approval voting 

      Alcalde Unzu, Jorge Upna; Vorsatz, Marc (2007)   Documento de trabajo / Lan gaiak  OpenAccess
      We propose a new class of voting rules, called Size Approval Voting. According to this rule, the effective weight of a vote from a given individual depends on how many other alternatives the very same individual votes for. ...
    • Strategy-proof location of public facilities 

      Alcalde Unzu, Jorge Upna; Vorsatz, Marc (2015)   Documento de trabajo / Lan gaiak  OpenAccess
      Agents frequently have different opinions on where to locate a public facility. While some agents consider the facility a good and prefer to have it nearby, others dislike it and would like to see it built far away from ...
    • 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 ...