PCCA and k-dominance in MCDM

This article reviews some features of binary dominance and strict dominance relations and introduces the concept of k-dominance, with the purpose of specifying the different ‘degrees’ of dominance of one action over another in a A.A.E. decisional model. It demonstrates a way of deriving, from traditional binary preference indices, specific binary k-dominance indices which, aggregated according to the peculiar PCCA (Pairwise Criterion Comparison Approach) methodology, make it possible to obtain k-dominance credibility indices.