David Policansky / Jacques Rousseau / Elinor Ostrom / Stephen M. Gardiner / Fabian Schuppert / David Miller / Joanna Burger / Anton Leist / Ivo Wallimann / Christopher B. Field / Philip Pettit / Johan Rochel / Robert Axelrod / Dale Jamieson / Jean Hampton / Ivo Wallimann‐Helmer / Simon Caney / Edward A. Page / Richard B. Norgaard / Garrett Hardin / Henry Shue / Robert O. Keohane / /