This volume is a product of the staff of the World Bank. The findings, interpretations, and conclusions expressed herein are those of the author(s) and do not necessarily reflect the views of the Executive Directors of the International Bank for Reconstruction and Development / The World Bank or the governments they represent. The World Bank does not guarantee the accuracy of the data included in this work. The boundaries, colors, denominations, and other information shown on any map in this work do not imply any judgment on the part of The World Bank concerning the legal status of any territory or the endorsement or acceptance of such boundaries.

This paper reports the main findings of a multi-country research project designed to develop a better understanding of the performance of community-managed rural water supply systems in developing ct)untries. Data were collected from household.s, village water committees, focus groups of village resident.s, system operators and key informants in 400 rural communities in Peru, Bolivia and Ghana. Our findings suggest that the demand-driven, community management model, coupled with access to spare parts and .-iome lechnical expertise, has come a long way toward unraveling the puzzle of how best to design and implement niral water supply programs in developing countries. In all three countries, rural water supply projects were working. Among the households included in our sample in Peru and Bolivia. 95% had operational taps at the time of our field visit. In 90% of the villages in Ghana, all project handpumps were still working. Not only had the rural water systems not broken down, but almost all the households in these communities were obtaining at least some of their water tVom the systems. However, some households were also still using water from other sources. In Ghana, 38% ol' household.s still reported using water from unprotected sources (e.g. springs, river, open wells) for drinking and/or cooking. Another troublesome finding is that rural households in the sample villages are paying very little for the improved water services and. as a result, the finances of many village water committees are in poor shape. doi: lÜ.2t66/wp.2009.3t0 © Worid Bank 2009 D, Whittington et ai. / Water Policy I ¡ (2009) 696-718 697

Sustainability standards and certification serve to differentiate and provide market recognition to goods produced in accordance with social and environmental good practices, typically including practices to protect biodiversity. Such standards have seen rapid growth, including in tropical agricultural commodities such as cocoa, coffee, palm oil, soybeans, and tea. Given the role of sustainability standards in influencing land use in hotspots of biodiversity, deforestation, and agricultural intensification, much could be gained from efforts to evaluate and increase the conservation payoff of these schemes. To this end, we devised a systematic approach for monitoring and evaluating the conservation impacts of agricultural sustainability standards and for using the resulting evidence to improve the effectiveness of such standards over time. The approach is oriented around a set of hypotheses and corresponding research questions about how sustainability standards are predicted to deliver conservation benefits. These questions are addressed through data from multiple sources, including basic common information from certification audits; field monitoring of environmental outcomes at a sample of certified sites; and rigorous impact assessment research based on experimental or quasi-experimental methods. Integration of these sources can generate time-series data that are comparable across sites and regions and provide detailed portraits of the effects of sustainability standards. To implement this approach, we propose new collaborations between the conservation research community and the sustainability standards community to develop common indicators and monitoring protocols, foster data sharing and synthesis, and link research and practice more effectively. As the role of sustainability standards in tropical land-use governance continues to evolve, robust evidence on the factors contributing to effectiveness can help to ensure that such standards are designed and implemented to maximize benefits for biodiversity conservation.

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Subsidies to residential utility customers are important in‐kind transfer mechanisms in developing countries. Do these subsidies reach the poor? This article finds the average targeting performance of water and electricity subsidies to be similar to that of other social‐transfer mechanisms using the same targeting method. The most common form — a quantity‐based consumption subsidy aiming to subsidise low‐volume customers — is highly regressive. Many geographically‐targeted and most means‐tested utility subsidies are progressive, but still exclude many poor households. Connection subsidies are an attractive alternative in low coverage areas, but they will only reach the poor if utilities extend network access to poor households and if households choose to connect.