Checchi, Daniele; Fraja, Gianni De; Verzillo, Stefano - School of Economics, University of Nottingham - 2014
We study here the problem of evaluating whether the selection from a set is close to the ranking determined by a measurable criterion. We propose a number of natural axioms and show that an index exists that satisfies all these axioms. The paper ends with an application of the index to Italian...