We consider a collective model of a household in which each member has a utility function satisfying the weak separability condition. We show that the separability at the individual level carries over to the household level and that the allocation of private goods in any Pareto-efficient...

The body of literature on vulnerability is growing. We classify studies on the concepts and measurements of vulnerability to poverty into welfarist, expected poverty, and axiomatic approaches. Empirical studies on vulnerability to poverty in Asia and elsewhere show that poverty and vulnerability...

Myopia is important in environmental and resource management problems because they often involve intertemporal decisions over a long time horizon. We present a parsimonious extension of a standard dynamic programming equation in a continuous time and continuous state setting, which enables rich...