We analyze the equity properties of insurance premium schemes where agents are partitioned into groups with different average accident probabilities and each individual has to pay a premium according to the average probability of the group to which it belongs. In particular, we examine the...

In a model where individual incomes depend on the agents' characteristics, we provide characterizations of several redistribution mechanisms. These mechanisms are designed to eliminate the effects of characteristics that are to be considered "irrelevant", while preserving the influence of...

This paper examines how the first-best models of compensation based on the agents' talents and responsibilities analyzed in some recent contributions can be extended to a second-best context. A few social criteria are proposed and compared to alternative approaches by Roemer and Van de gaer.