Poverty takes many forms. Using data from the U.S. Panel Study of Income Dynamics, this article (1) distinguishes different kinds of childhood poverty, defined in terms of the spacing, severity, and duration of spells; and (2) establishes the extent and distribution of childhood poverty,...

Policies directed at alleviating poverty rest on a set of assumptions regarding the demographic composition of the poor and the psychological dispositions of poor individuals. Evidence from a long-term study of a representative sample of low-income individuals shows that poverty is very...