Dimitrov, Dinko; Hendrickx, Ruud; Borm, Peter - In: Economics Bulletin 4 (2004) 11, pp. 1-7
We consider the problem of ranking sets of objects, the members of which are mutually compatible. Assuming that each object is either good or bad, we axiomatically characterize a cardinality-based rule which arises naturally in this dichotomous setting.