Franz Schmithüsen is Professor Emeritus at the Swiss Federal Institute of Technology (ETH) in Zurich. Bastian Kaiser is Professor for Applied Economics and since 2001 Rector of the University of Applied Forest Sciences Rottenburg, Germany.Albin Schmidhauser is at the Luzern Canton Office for Agriculture, Switzerland. Stephan Mellinghoff is collaborator in the concern strategy of Schott AC in Mainz Karoline Perchthaler recently completed an MBA Institut für Wertewirtschaft WienAlfred W. Kammerhofer is deputy section chief of the Forest and Timber Industry Section in the Federal Office for Environment in Berne, Switzerland.