David Elzinga was the lead author for this publication. Many other IEA colleagues have provided important contributions, in particular Milou Beerepoot, Francois Cuenot, Stefanie Held, Marie-Laetitia Gourdin, Alexander Korner, Quentin Marchais, Ada Marmion, Katherine Prewitt, Uwe Remme, Nathalie Trudeau, and Markus Wrake. The paper was published with financial support of the Foundation for the Global Compact.