Forest planning and productivity-risk trade-off through the Markowitz mean-variance model

Arnaud Dragicevic, Antonello Lobianco and Antoine Leblois

Forest Policy and Economics, 2016, vol. 64, issue C, 25-34

Abstract: In order to make a comparative assessment between productivity and risk, we study the forest planning by means of the Markowitz mean-value (M-V) portfolio model. By weighting the forest productivity with factors of future climate change effects, we compute the optimal tree species mixes, within reach of forest managers, in ninety French administrative departments. Considering three different productivity measures (wood production, carbon sequestration and economic valorization) and their respective variances, we find that: a) the empirical allocation lies between the optimizations of wood production and economic valorization; b) forest managers prefer low variance to high productivity, i.e. their revealed risk aversion is high; and c) unlike maximizing wood productivity or carbon sequestration, which leads to similar portfolios, maximizing the economic value of wood production decreases both the levels of wood production and carbon sequestration. Under high risk aversion, the economic valorization would lead to a high species specialization, which is very unlikely in reality. In all considered scenarios, the objectives set out in the Kyoto Protocol would be attained, which puts into question its relevance in terms of additionality.

Keywords: Bioeconomics; Forest planning; Mean-variance model; Mixed-species forests; Climate change (search for similar items in EconPapers)
JEL-codes: G17 Q2 Q54 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Related works:
Working Paper: Forest planning and productivity-risk trade-off through the Markowitz mean-variance model (2015)
Working Paper: Forest planning and productivity-risk trade-off through the Markowitz mean-variance model (2015)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:forpol:v:64:y:2016:i:c:p:25-34

DOI: 10.1016/j.forpol.2015.12.010

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