This mixed methods study investigates why fewer than one in five impact evaluations integrates a value-for-money analysis of the development intervention being evaluated. This study distills four main insights from combined analysis of 33 semi-structured and unstructured interviews, surveys of...

Globally more than 7 million deaths a year are attributed to tobacco use, approximately 10 percent of which are among nonsmokers exposed to secondhand smoke. Most of these deaths occur in low- and middle-income countries (LMICs), and among a relatively young population. If current smoking...

This paper examines the costs, impacts, and cost-effectiveness of scaling up over five years the nutrition interventions included in Afghanistan's Basic Package of Health Services (BPHS) as a first step in investing in the early years to build human capital. The total public investment required...

Preface -- About the authors -- Abbreviations -- Introduction -- Rural nonfarm growth and poverty reduction -- Institutional growth and MFI performance -- Dynamics of microfinance benefits -- Are borrowers overindebted? -- Role of microfinance in poverty transition -- Diversification of income...

This paper presents evidence on the cost-effectiveness of early childhood education pathways in rural Indonesia. It documents the existence of substantial differences in school readiness between 6 to 9 year old children. Using detailed enrollment histories, it unpacks whether and how early...

Governments must decide how to allocate limited resources for infrastructure development, particularly since financing gaps have been projected for the coming decades. Social cost-benefit analysis provides sound project appraisal and, when systematically applied, a basis for prioritization. In...

Since 2008, when Colombia ratified the Framework Convention for Tobacco Control, available evidence of the impact of tobacco consumption, its health effects, and low tax revenues resulting from low tobacco taxation and prices had grown. By 2015, Colombia's cigarette prices stood higher than only...

At present, tobacco taxes in Armenia are among the lowest in Europe and Central Asia. Global experience has shown that increasing taxes on tobacco is one of the most cost-effective public health interventions. This is particularly relevant for Armenia, where smoking is among the leading risk...

The adoption of new clinical practice patterns by medical care providers is often challenging, even when the patterns are believed to be efficacious and profitable. This paper uses a randomized field experiment to examine the effects of temporary financial incentives paid to medical care clinics...