Evidence matters, but ideas shape policy in more fundamental ways than we might realise

Evidence-based policy-making can be problematic in practice, especially if the evidence is uncertain. Based on a case study concerning the formation of a national-level policy position in Ireland in response to an EU initiative, Niamh Hardiman and Saliha Metinsoy suggest that policy makers’ decisions may well be guided by beliefs that go beyond the direct evidence available. Ideas can be so deep-rooted that they […]