Decision-support for the economic analysis of trade-offs in coastal and marine spatial planning (CMSP) for the US northeast shelf large marine ecosystem
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KeywordCoastal and marine spatial planning; Trade‐offs; Regional economic model; Northeast Shelf Large Marine Ecosystem (LME); Commercial fisheries; Commercial fisheries
Coastal and marine spatial planning (CMSP) is a process for improving the management of coastal and marine resources in order to promote their sustainable development. Sustainability necessitates that decisions be made about existing and future spatial and temporal distributions of human uses (and non‐uses) of the coastal and marine environment. Such decisions require methods for making tradeoffs. We present the outlines of an economic methodology based upon models of spatially distributed regional economic impacts to characterize the social welfare effects of tradeoffs among alternative CMSP policies. We show how a regional computable general equilibrium (CGE) model of the US northeast coastal economy could be used to assess changes in the spatial and temporal distribution of human uses and activities in the US Northeast Region. This work extends earlier efforts to develop a regional input‐ouput (IO) model of the Northeast Shelf LME and to link a regional IO model to linear models of a marine food web. The resulting CGE model could be used to analyze marginal changes in social welfare with respect to policy changes and to evaluate tradeoffs by estimating the socio‐economic net benefits of alternative scenarios. We present some examples of how the model could be used to simulate tradeoffs such as those involving the siting of ocean wind farms.
Presented at the ICES Annual Science Conference, Gdańsk, Poland, 19–23 September 2011
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