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Title:The private and public insurance value of conservative biodiversity management PDF Logo
Authors:Baumgärtner, Stefan
Quaas, Martin F.
Issue Date:2006
Series/Report no.:University of Lüneburg working paper series in economics 33
Abstract: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 generate a private benefit and, via ecosystem processes at higher hierarchical levels, a positive externality on other ecosystem users. We find that ecosystem management and environmental policy depend on the extent of uncertainty and risk-aversion as follows: (i) Individual effort to improve ecosystem quality unambiguously increases. The free-rider problem may decrease or increase, depending on the characteristics of the ecosystem and its management; in particular, (ii) the size of the externality may decrease or increase, depending on how individual and aggregate management effort influence biodiversity; and (iii) the welfare loss due to free-riding may decrease or increase, depending on how biodiversity influences ecosystem service provision.
Subjects:biodiversity
ecosystem services
ecosystem management
free-riding
insurance
public good
risk-aversion
uncertainty
JEL:Q57
H23
D8
D62
Document Type:Working Paper
Appears in Collections:Working Paper Series in Economics, Leuphana Universität Lüneburg

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