1. Beckenkamp M (2009) Environmental dilemmas revisited: structural consequences from the angle of institutional ergonomics. Max-Planck Institute for Research on Collective Goods, Bonn
2. Beckenkamp M, Hennig-Schmidt H, Maier-Rigaud F (2006) Cooperation in symmetric and asymmetric prisoner's dilemma games. Max-Planck-Institute for Research on Collective Goods, Bonn
3. Brock WA, Xepapadeas A (2003) Valuing biodiversity from an economic perspective: a unified economic, ecological, and genetic approach. Am Econ Rev 93:1597–1614
4. Dietz T, Ostrom E, Stern PC (2003) The struggle to govern the commons. Science 302:1907–1912
5. Gardner GT, Stern PC (1996) Environmental problems and human behavior. Allyn & Bacon, Needham Heights, MA