Decision on allocation of scarce resources constitute one of the elements that define the nature of Economy. These decisions related to the scarcity problem, appear in individual and social contexts and generate rationing problems which are faced by the modern economic analysis from two...

This paper refers to some social evaluation problems when equity matters. We propose here a way of assessing the equality of opportunity that is applicable to categorical data. It consists of dividing society into groups with similar characteristics and to measure the dispersion of outcomes...