Obesity has risen dramatically in the past few decades. However, the relative contribution of energy intake and energy expenditure to rising obesity is not known. Moreover, the extent to which social and economic factors tip the energy balance is not well understood. In this longitudinal...

Would investing to reduce stunting reap economic benefits that outweigh costs? We investigate this question by conducting a cost-benefit analysis for a large-scale integrated nutrition programme to reduce stunting in Indonesia, using actual rather than stylised data on costs. The gains are...

Summary We utilize household-level consumption expenditure data from India to examine the evolution of inequality during 1983-2004. Various measures of inequality show that inequality levels were relatively stable during 1983-93, but increased during 1993-2004. The increases in inequality have...

Health systems can primarily improve the health of individuals and populations by delivering high-quality interventions to those who may benefit from them. We propose a concept of effective coverage as the probability that individuals will receive health gain from an intervention if they need...

This article studies currency substitution in a model where domestic money suffers from lack of confidence. When agents' confidence is exogenous and constant, there is a unique but unstable dual-money steady state. However, when agents' confidence is updated endogenously, the dynamics of...