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To ensure universal access to water supply and sanitation (WSS) services that are safe, reliable, sustainable, and affordable, it is important to attract the right types of financing and identify the aspects that could be hindering the success of WSS projects. In this study, 62 completed World Bank WSS projects were analyzed to understand the relationship between project characteristics, bank performance, and quality of results. The methodological approach included a systematic quantitative review and comparative, statistical, and regression analyses, considering important aspects of the projects. The existence of correlations and interactions between project results, bank performance, and key aspects of the projects (such as type of project, initial and final risk assessments, commitments and disbursements, and other characteristics) was observed. This study highlights the importance of rating and mitigating WSS project risks (especially the environmental, social, political, and governance risks) and the importance of development bank financing. The applied methodology could be used by both financiers and borrowers.

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为了确保普遍获得安全、可靠、可持续和负担得起的供水和卫生 (WSS) 服务，吸引正确类型的融资并确定可能阻碍 WSS 项目成功的方面非常重要。在本研究中，对 62 个已完成的世界银行 WSS 项目进行了分析，以了解项目特征、银行绩效和结果质量之间的关系。方法包括系统的定量审查以及比较、统计和回归分析，考虑到项目的重要方面。观察到项目结果、银行绩效和项目关键方面（例如项目类型、初始和最终风险评估、承诺和支出以及其他特征）之间存在相关性和相互作用。本研究强调了评级和减轻 WSS 项目风险（特别是环境、社会、政治和治理风险）的重要性以及开发银行融资的重要性。所采用的方法可供金融家和借款人使用。