I discuss the measurement of world poverty and inequality, with particular attention to the role of purchasing power parity (PPP) price indexes from the International Comparison Project. Global inequality increased with the latest revision of the ICP, and this reduced the global poverty line...

The share of household resources devoted to children is hard to identify because consumption is measured at the household level and goods can be shared. Using semiparametric restrictions on individual preferences within a collective model, we identify how total household resources are divided up...

We investigate well-being changes for single mother headed families targeted by recent tax and welfare reforms. Measured income changes sharply differ from consumption changes. We examine disaggregated consumption, time use, and health insurance coverage. Increases in housing and transportation...

This paper reviews the evidence on the efficacy of neighborhood and school interventions in improving the long-run outcomes of children growing up in poor families. We focus on studies exploiting exogenous sources of variation in neighborhoods and schools and which examine at least medium-term...

Elderly individuals exhibit wide disparities in their sources of income. For those in the bottom half of the income distribution, Social Security is the most important source of support; program changes would directly affect their well-being. Income from private pensions, assets, and earnings...

We examine changes in consumption and income inequality between 2000 and 2011. During the most recent recession, unemployment rose and asset values declined sharply. We investigate how the recession affected inequality while addressing concerns about underreporting in consumption data. Income...

Do the repayment requirements of the classic microfinance contract inhibit investment in high-return but illiquid business opportunities among the poor? Using a field experiment, we compare the classic contract which requires that repayment begin immediately after loan disbursement to a contract...