“…In the debate of how to conduct impact assessment and train policymakers, there are calls for integrating the insights of behaviour science into policymaking and design regulatory options that take into account the various biases that affect citizens' responses (Alemanno and Spina, 2013;John, 2013;John et al, 2013;Jones et al, 2013;Sunstein, 2011;Van Bavel et al, 2013;Vandebergh, Carrico and Schultz, 2011). But policymakers have a mind too, and therefore their own choices can be biased (see for example Montgomery, 2011).…”