Con el objetivo de determinar los cambios hematológicos en búfalas mestizas pre y postparto, se realizó un ensayo en una finca comercial ubicada en el municipio Catatumbo, estado Zulia, Venezuela. Se obtuvieron ciento doce muestras de sangre en tubos estériles…

We analyze an alternative to the standard rationalizability requirement for observed choices by considering non-deteriorating selections. A selection function is a generalization of a choice function where selected alternatives may depend on a reference (or status quo) alternative in addition…

We identify conditions under which preferences over sets of consumption opportunities can be reduced to preferences over bundles of \"commodities\". We distinguish ordinal bundles, whose coordinates are defined up to monotone transformations, from cardinal bundles, whose coordinates are defined up…

We provide a survey of the literature on ranking sets of objects. The interpretations of those set rankings include those employed in the theory of choice under complete uncertainty, rankings of opportunity sets, set rankings that appear in matching theory,…