"South African households live in an environment characterized by risks, and many face a significant probability of experiencing economic losses that threaten their daily subsistence. Using household panel data that include directly solicited information on economic shocks and employing...

Longitudinal household data can have considerable advantages over much more widely used cross-sectional data. The collection of longitudinal data, however, may be difficult and expensive. One problem that has concerned many analysts is that sample attrition may make the interpretation of...

"This paper proposes and implements a methodology for a detailed, comparative analysis of the level and structure of costs for three similar poverty alleviation programs in Latin America: the Programa Nacional de Educación, Salud y Alimentación (PROGRESA) in Mexico, the Programa de Asignación...

This paper explores the relationship between group membership and trust. Specifically, the authors examine (1) the importance of trust in the decision to join groups, (2) the subsequent ability of groups to generate trust, and (3) the influence of group membership and trust on a measure of...

"Studies have shown that malnourished children in developing countries score lower on tests of cognitive function and fail to acquire fine motor skills at the normal rate. Do the effects of nourishment—good or bad—in early childhood linger into adolescence and adulthood, or do they fade away...

This paper examines attrition in the KwaZulu-Natal Income Dynamics Study (1993–1998) and assesses the extent of attrition bias for a specific empirical example. The analysis shows that 1993 first round nonresponse is largely unrelated to observable characteristics of the communities other than...

The paper reviews recent theory and empirical evidence testing unitary versus collective models of the household. In contrast to the unitary model, the collective model posits that individuals within households have different preferences and do not pool their income. Moreover, the collective...