An important difficulty in many models of behavioral economics is that preferences are endogenous and unstable. Therefore, preferences may not provide the most desirable yardstick to evaluate social states. This paper proposes unconditional love as a candidate for such a yardstick. The concept...

A procedure to construct a social welfare function from a social choice function is suggested and it is shown that the dictatorial are the only unanimous social welfare functions that can be reconstructed from a social choice function that does not change the social choice when a defeated...