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    • 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 ...
    • 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 ...