The classical theory of rational choice is built on several important internal consistency conditions. In recent years, the reasonableness of those internal consistency conditions has been questioned and criticized, and several responses to accommodate such criticisms have been proposed in the...

The classical theory of rational choice is built on several important internal consistency conditions. In recent years, the reasonableness of those internal consistency conditions has been questioned and criticized, and several responses to accommodate such criticisms have been proposed in the...

We provide characterizations of four new rules for individual decision-making under complete uncertainty. They are what we call the min-max rule, the max-min rule, the lexicographic min-max rule and the lexicographic max-min rule. These rules provide orderings of the sets of possible outcomes...

In measuring social deprivation in a multidimensional framework, ideally one should first measure each individual's overall deprivation, and then aggregate the overall deprivation levels of all individuals. However, given only aggregate data, one is often forced to measure social deprivation in...

When measuring a society's deprivation in a multi-attribute framework, researchers often resort to what we call a 'column-first two-stage procedure'. Under such procedures one first determines the society's deprivation for each attribute separately by aggregating the individuals' deprivation...