To obtain market financing for an infrastructure project, a private operator needs to be able to provide potential investors assurance that revenue flows to the project will be reliable. Where those revenue flows consist in part of government output-based aid (OBA) subsidy payments, providing...

The total funding envelope for World Bank projects is often divided among various state and non-state actors, each of which can have competing ideas about or interests in the project. How does the division of financing relate to overall project effectiveness? I argue that too many funding...

Introduction: Can't take it anymore? / William Easterly -- I: The power of scientific evaluation--and why isn't it done more often? -- Making aid work / Abhijit Banerjee and Ruimin He -- Use of randomization in the evaluation of development effectiveness / Esther Duflo and Michael Kremer -- It...