To disqualify or not to qualify: this is the other question

Jose Carlos R. Alcantud and Annick Laruelle
Ikerlanak Discussion Paper IL102/16


In this paper we study ternary trichotomous rules, that allows for three levels of input, positive, neutral and negative and three levels of output, positive, undetermined and negative. We illustrate the interest of such rules on collective identity functions that deal with formation of clubs. Usually the question addressed is whether the individual qualifies or does not, and the answer is either positive or not. In some situations it may be relevant to distinguish between unqualification and disqualification.


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