Heterogeneous Response to Marine Reserve Formation: A Sorting Model approach |
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Authors: | Junjie Zhang Martin D Smith |
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Institution: | (1) Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK;(2) Centre for Marine and Coastal Policy Research, Marine Institute, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK |
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Abstract: | The bioeconomic impacts of spatial fisheries management hinge on how fishing vessels reallocate their effort over space. However,
empirical studies face two challenges: heterogeneous behavioral responses and unobservable resource abundance. This paper
addresses these two problems simultaneously by using an unusual data set and an estimation technique developed in the industrial
organization literature. We apply the methods to location and species choices in the Gulf of Mexico reef-fish fishery. The
models are used to explore spatial effort substitution in response to two marine reserves. Individual attributes from a survey
of vessel captains are linked to each fisherman’s observed daily trip information to control for observable heterogeneity.
Some unobservable abundance information is captured by location- and species-specific constants and estimated by contraction
mapping. The empirical results confirm that there is significant heterogeneity in fishermen’s response to the formation of
marine reserves. They also show that ignoring unobservable abundance information will lead to significant bias in predicting
spatial fishing effort. |
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Keywords: | |
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