Bangladesh has experienced rapid fertility decline and reductions in under-five mortality over the last three decades. This impact study unravels the various factors behind these changes. Economic growth has been important, but so have major public sector interventions, notably reproductive...

This paper uses econometric estimates of the link between aid and economic growth to ask how much additional aid is required to meet the Millennium Development Goal of halving global poverty by 2015, and how this aid should be allocated across countries. It first shows that a large increase in...

Systematic reviews are currently in high demand in international development. At least 100 new reviews are ongoing or already completed on a range of topics across the board in international development, many of which were commissioned by policy-making agencies. These new reviews need to be...

This paper presents a synthetic review of impact evaluations examining effectiveness of water, sanitation, and hygiene interventions in reducing diarrhoea among children. The evaluations were conducted in 35 low- and middle-income countries during the past three decades. The paper challenges the...

The reduction of infant and child death is one of the eight millennium development goals (MDGs). In addition, one of the goal one indicators is child malnutrition. A central question for the development community is to understand the factors underlying child health and nutritional status. What...