Water and sanitation sectors have been the 'natural' subjects of aid for several decades. However, these sectors also were among those most affected by changes in aid approaches and tools. The aim of this paper is to capture some of the complexity in assessing impact and effectiveness of aid in...

The severe conditions in Zimbabwe, which reached a nadir in 2008 and 2009, led to a collapse of basic systems including the reliability and safety of water supply and sanitation services, leading to an outbreak of cholera with more than 4,000 deaths and over 90,000 people infected. The World...

Output-Based Aid (OBA) has been used since the early 2000s to deliver basic infrastructure and social services to the poor, typically through public-private partnerships. Given the limited experience with OBA in the water and sanitation sector, Global Partnership OBA has made a concerted effort...