This paper describes a particular perspective on the causes of poverty: a memberships based theory. The idea of this theory is that an individual's socioeconomic prospects are strongly influenced by the groups to which he is attached over the course of his life. Such groups may be endogenous;...

With emphasis on the role of economic incentives, we explore the determinants of a woman’s choice of whether or not to give birth as an unmarried teenager. Our data are taken from the Panel Study of Income Dynamics. Guided by a simple utility-maximization model, we represent the income...