This paper demonstrates gender differences in risk aversion and ambiguity aversion. It also contributes to a growing literature relating economic preference parameters to psychological measures by asking whether variations in preference parameters among persons, and in particular across genders,...

This paper presents an integrated economic approach that organizes and interprets the evidence on child development. It also discusses the indicators of child well-being that are used in international comparisons. Recent evidence on child development is summarized, and policies to promote child...

This paper discusses and illustrates identification problems in personality psychology. The measures used by psychologists to infer traits are based on behaviors, broadly defined. These behaviors are produced from multiple traits interacting with incentives in situations. In general, measures...

We analyze the rationalizability of variable-population social-choice functions in a welfaristframework. It is shown that xed-population rationalizability and a weakening ofcongruence together are necessary and suffcient for rational choice, given a plausible dominanceproperty that prevents the...

Discounting the utilities of future people or giving smaller weights to groups other thanone's own is often criticized on the grounds that the resulting objective function diers fromthe ethically appropriate one...

This note investigates the extension of Roberts' price-independent welfare prescriptions toalternatives in which population size and composition can vary. We show that ethicallyunsatisfactory orderings result. Suppose that a single person is to be added to a populationthat is unaected in utility...

In pure population problems, a single resource is to be distributed equally among theagents in a society, and the social planner chooses population size(s) and per-capita consumption(s) for each resource constraint and set of feasible population sizes within thedomain of the solution...