Journal of International Political Theory Vol. 12, Issue 2, Pages 96-117 June 2016 HKS Authors See citation below for complete author information. Mathias Risse Director of the Carr Center for Human Rights Policy Berthold Beitz Professor in Human Rights, Global Affairs and Philosophy Citation Risse, Mathias. "What Difference Can It Make: Why Write Books on Global Justice in the First Place?" Journal of International Political Theory 12.2 (June 2016): 96-117.