Consistency of a binary relation requires any preference cycle to involve indifference only. It has been shown that consistency is necessary and sufficient for the existence of an ordering extension of a binary relation. It is therefore of interest to examine the rationalizability of choice...

Since Amartya Sen's contribution on the impossibility of a Paretian liberal, his formulation of libertarian rights has been under debate. In this paper, the authors highlight some important strands in this debate, and achieve some conceptual clarification of the different and often incompatible...

A reference-dependent choice function is a generalization of a standard choice function where chosen alternatives may depend on a reference alternative in addition to the set of feasible options. Such a function is non-deteriorating if there exists an ordering over the universal set of...

Social exclusion manifests itself in the persistent relative lack of an individual's access to functionings compared with other members of society, and we model it as being in a state of deprivation over time. We view deprivation as having two basic determinants: the lack of identification with...