1. Duke Marine Lab, Nicholas School of the Environment, Duke University, Beaufort, NC 28516, USA.
2. Department of Public Finance, Innsbruck University, Innsbruck, Austria.
3. The Ostrom Workshop in Political Theory and Policy Analysis, Indiana University, Bloomington, IN 47408, USA.
4. School of Business and Economics, University of Marburg, 35037 Marburg, Germany.