Evaluations are a potentially important tool for democratic governments: they provide a basis for accountability and policy learning. To contribute to these key functions, evaluations must be of sufficient methodological quality. However, this quality is threatened by both political influences and technical complexities. This article describes and explains the variance in the quality of ex-post legislative (EPL) evaluations conducted by the European Commission, which is a frontrunner in this realm. A number of potential political and technical explanations of evaluation quality are tested with a unique, self-constructed dataset of 153 EPL evaluations. The results show that the Commission’s EPL evaluations usually apply a robust methodology, while the clarity of their scope, the accuracy of their data and the foundations of their conclusions are problematic. The variance in this quality is mainly explained by the type of evaluator: EPL evaluations conducted by external actors are of higher quality than evaluations conducted internally by the Commission.
CITATION STYLE
van Voorst, S., & Mastenbroek, E. (2019). Evaluations as a decent knowledge base? Describing and explaining the quality of the European Commission’s ex-post legislative evaluations. Policy Sciences, 52(4), 625–644. https://doi.org/10.1007/s11077-019-09358-y
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