It is conventional to argue that the autonomy and reputation of independent regulatory agencies (IRAs) depend on their expertise. Yet, studies on how IRAs create and deploy their knowledge capacity are few and far apart. By addressing the underexplored question of the role of economics in regulatory policy making, this book fills a gap in two different strands of literature: on IRAs and on knowledge utilisation respectively. Only a few authors have taken a somewhat comparable approach (eg McGarity 1991, Morgenstern 1997, Jennings and Hall 2011), but their work focuses on US regulators....