Jesper Dahl Kelstrup, Jonas Videbæk Jørgensen and Magnus Paulsen Hansen
This blog post is based on the Evidence & Policy article, ‘The disenchanted fairy godmother: comparing how and why evidence-based management and public service professionals influenced policy performance in public school and active labour market policy in Denmark’.
Almost two decades ago Carol H. Weiss and co-authors described the idea of evidence-based policies as a ’fairy godmother’ with ’some warts’. In other words, although evidence-based policies clearly entailed some challenges and drawbacks, like discounting local professional judgement, it was still worth pursuing to ’increase the rationality of decision-making’, as they put it.
Yet, studies of evidence-based policy making in action in the past decades have shown that although the aspiration to use evidence to enhance the legitimacy and effectiveness of policies is still widely shared, it often falls short. A common explanation for failure is the presence of various barriers. In our Evidence & Policy article, we critically revisit Weiss and her co-authors’ argument to question whether the challenges related to evidence-based policy making are in fact simply ’warts’ that can be removed, or are more fundamental challenges associated with the aims and management of evidence-based policy making in different policy areas.
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