The authors use Morocco's national survey of living standards to measure the short-term welfare impacts of prior estimates of the price changes attributed to various trade policy reforms for cereals-the country's main food staple. They find small impacts on mean consumption and inequality in the...

Recent literature and new data help determine plausible bounds to some key demographic differences between the poor and non-poor in the developing world. The author estimates that selective mortality-whereby poorer people tend to have higher death rates-accounts for 10-30 percent of the...

Knowledge about development effectiveness is constrained by two factors. First, the project staff in governments and international agencies who decide how much to invest in research on specific interventions are often not well informed about the returns to rigorous evaluation and (even when they...

Does "empowerment" come hand-in-hand with higher economic welfare? In theory, higher income is likely to raise both power and welfare, but heterogeneity in other characteristics and household formation can either strengthen or weaken the relationship. Survey data on Russian adults indicate that...

The immediate welfare costs of an economywide crisis can be high, but are there also lasting impacts? And are they greater in some geographic areas than others? The authors study Indonesia s severe financial crisis of 1998. They use 10 national surveys spanning 1993 2002, each covering 200,000...

The author critically reviews the methods available for the ex-post counterfactual analysis of programs that are assigned exclusively to individuals, households, or locations. The discussion covers both experimental and non-experimental methods (including propensity-score matching, discontinuity...

Prevailing practices in evaluating workfare programs have ignored the disutility of the type of work done, with theoretically ambiguous implications for the impacts on poverty. In the case of India's National Rural Employment Guarantee Scheme, past assessments have relied solely on household...

While the 2008 financial crisis is global in nature, it is likely to have heterogeneous welfare impacts within the developing world, with some countries, and some people, more vulnerable than others. It also threatens to have lasting impacts for some of those affected, notably through the...

The paper presents a major overhaul to the World Bank's past estimates of global poverty, incorporating new and better data. Extreme poverty-as judged by what "poverty" means in the world's poorest countries-is found to be more pervasive than we thought. Yet the data also provide robust evidence...

The authors report new estimates of measures of absolute poverty for the developing world over 1981-2004. A clear trend decline in the percentage of people who are absolutely poor is evident, although with uneven progress across regions. They find more mixed success in reducing the total number...