As evidence from rigorous impact evaluations grows in development, there have been more calls to complement impact evaluation analysis with cost analysis, so that policy makers can make investment decisions based on costs as well as impacts. This paper discusses important considerations for...

Development practitioners are coming to a consensus that participation by the intended beneficiaries improves project performance. But is there convincing evidence that this is true? Skeptics have three objections: 1) quot;Participation is not objective -- project rankings are subjective; 2) this...

The authors assess the effect of economic instability on the success of projects funded by the World Bank using the outcome of the projects, which is a notation of their overall success determined by the Bank's Independent Evaluation Group. It has been argued in macroeconomic studies that aid...

The World Bank has allocated close to $80 billion towards participatory development projects over the last decade. A comprehensive review of the evidence on the efficacy of the approach conducted by the authors for the forthcoming Policy Research Report, Localizing Development: Does...

This research analyzes the success of the infrastructure projects financed by the World Bank, focusing on the causal link between the quality of project implementation and its outcome. The results show that the success of infrastructure projects depends fundamentally on the quality of...

This paper investigates the effectiveness of post-conflict aid at the project level and aims to identify post-conflict situations as a window of opportunity for project success. The Independent Evaluation Group dataset provides extensive information on the characteristics of World Bank projects...

This paper examines the micro and macro correlates of aid project outcomes in a sample of 3,821 World Bank projects and 1,342 Asian Development Bank projects. Project outcomes vary much more within countries than between countries: country-level characteristics explain only 10?25 percent of...

Does research add value to aid? Specifically, does impact evaluation research help or hinder the delivery of development projects? This paper analyzes the question by constructing a new data set of 100 impact evaluations and 1,135 projects approved by the World Bank between 2005 and 2011. The...

A number of recent studies have empirically documented links between characteristics of World Bank projects and their ultimate outcomes as evaluated by the World Bank's Independent Evaluation Group. This paper explores the in-sample and out-of-sample predictive performance of empirical models...

Drawing on an integrated mixed methods research design, the authors explore the dynamics of the development-conflict nexus in rural Indonesia, and the specific role of development projects in shaping the nature, extent, and trajectories of every day conflicts. They find that projects that give...