By 1989 the Michigan Panel Study on Income Dynamics (PSID) had experienced approximately 50 percent sample loss from cumulative attrition from its initial 1968 membership. We study the effect of this attrition on the unconditional distributions of several socioeconomic variables and on the...

We propose a new measure of the rate of poverty we call the Supplemental Expenditure Poverty Measure (SEPM) based on expenditure in the Consumer Expenditure survey. It treats household expenditure as a measure of resources available to purchase the minimum bundle necessary to meet basic needs....

Most poverty calculations use income-based or consumption-based measures. We introduce a new, third measure of poverty status which is based on household expenditure. Expenditure is the theoretically correct measure of resources actually transferred into a given period in the life cycle. But the...