Ongoing empirical research on the drivers of project-aid effectiveness relies on World Bank evaluation ratings across … World Bank evaluation ratings are measuring precisely. Second, only project management variables, which are sector …. Moreover, we are able to analyze the impact of project design in addition to project management. We find that evaluation …

-level principal-agent model focusing on the various interests of the different actors involved in the evaluation process. The model … German donor agencies reveals concrete institutional requirements for a reduced evaluation bias and increased transparency. …