Thorsten Upmann Helmholtz-Institute for Functional Marine Biodiversity at the University of Oldenburg (HIFMB) Ammerländer Heerstraße 231 Deutschland TUpmann@hifmb.de https://orcid.org/0000-0001-7804-7982 Biographical Sketch: Primary Research Focus : Renewable natural resources. Catastrophic environmental risks. Environmental taxation. Applied axiomatic bargaining theory. JEL Areas : Q2:Renewable Resources and Conservation: General Q5:Environmental Economics: General