The ecological literature suggests that biodiversity reduces the variance of ecosystem services. Thus, conservative biodiversity management has an insurance value to risk-averse users of ecosystem services. We analyze a conceptual ecological-economic model in which such management measures...

A model simulates the diversely parameterized progress of dedicated business journeys including sleep and working times. The motivating research question asks for the benefit of high speed flight regarding time. It is assumed that on journeys, time gains are not only achieved by shorter travel,...