A group of agents voluntarily participates in a joint project, in which efforts are not perfectly substitutable. The output is divided according to some given vector of shares. A share vector is "unimprovable" if no other share vector yields a higher sum of payoffs. When the elasticity of...

This paper explores the policy implications that are obtained once it is recognized that at low nutrition intakes a person's "productivity" is an increasing function of intake. In the context of a fully general equilibrium model it is shown that if aggregate assets in an economy are neither...