(Englisch): heterogeneity, uncertainty, risk, Namibia, environmental management …

be maintained as physical quantities separately. Yet, in a world of uncertainty this cannot be guaranteed. To therefore … define strong sustainability under uncertainty in an operational manner we propose to use the concept of viability. Viability …

have to be maintained as physical quantities separately. Yet, in a world of uncertainty this cannot be guaranteed. To … therefore define strong sustainability under uncertainty in an operational manner, we propose to use the concept of viability …

ecosystem is driven by stochastic precipitation. A risk averse farmer chooses a grazing management strategy under uncertainty … grazing management strategy and show that a risk averse farmer chooses a strategy such as to obtain insurance from the … sufficiently risk-averse, will choose a sustainable grazing management strategy, even if he does not take into account long …

, i.e. the inability to revise one's past actions; and (ii) uncertainty of future consequences of present actions in human …

be maintained as physical quantities separately. Yet, in a world of uncertainty this cannot be guaranteed. To therefore … define strong sustainability under uncertainty in an operational manner we propose to use the concept of viability. Viability … viability as special cases. It provides an operational criterion of strong sustainability under a mild form of uncertainty and …

states of nature and their payoffs, but not the probability of these states (Knightian uncertainty). Focusing on the extreme … version of Knightian uncertainty, we do not employ probabilities, beliefs or anything alike. Instead, the functions build on … properties of a preference function (symmetry, non-satiation, uncertainty aversion, invariance under various state …