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Article Dans Une Revue Annals of Forest Science Année : 2014

Economics of species change subject to risk of climate change and increasing information: a (quasi-)option value analysis

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& Context In the context of climate change, several forest adaptation options have to be advocated such as a shift to more resistant species. & Aims We provide an economic analysis of timber species change as a tool for adapting forests to climate change. & Methods We use the framework of cost–benefit analysis, taking uncertainty into account both exogenously (sensitiv-ity analysis) and endogenously [(quasi-)option value calcu-lations]. We apply the method to assess the economic rationale for converting Norway spruce stands to Douglas-fir in the French Black Mountain. & Results We find that the Douglas-fir conversion is land expectation value (LEV) maximizing under a wide range of a priori (subjective) probabilities attached to high mortality of Norway spruce under climate change (for probabilities higher than 0.25–0.31). If information about the impacts of climate change is expected to increase over time, and given the large sunk costs attached to conversion, a delay strategy may be preferable to transition and to status quo when the impacts of climate change on Norway spruce mortality are sufficiently ambiguous. In such cases, getting information earlier increases the LEV by €5–60/ha. & Conclusion Beyond the specifics of the case study, this paper suggests that quasi-option value is a relevant tool to provide insights to forest owners dealing with adaptation decisions in the context of climate change.
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hal-01098396 , version 1 (24-12-2014)

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Marielle Brunette, Sandrine Costa, Franck Lecocq. Economics of species change subject to risk of climate change and increasing information: a (quasi-)option value analysis. Annals of Forest Science, 2014, 71 (2), pp.279-290. ⟨10.1007/s13595-013-0281-0⟩. ⟨hal-01098396⟩
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