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Vessel Entry‐Exit Behavior in the Gulf of Mexico Shrimp Fishery
Author(s) -
Ward John M.,
Sutinen Jon G.
Publication year - 1994
Publication title -
american journal of agricultural economics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.949
H-Index - 111
eISSN - 1467-8276
pISSN - 0002-9092
DOI - 10.2307/1243751
Subject(s) - fishing , shrimp , fishery , multinomial logistic regression , stock (firearms) , profit (economics) , economics , geography , microeconomics , biology , statistics , mathematics , archaeology
Given the heterogeneous nature of the fishing fleet and complex vessel behavior, traditional marginalist supply models are not well suited for modeling vessel mobility. A discrete choice model is utilized here to predict the probability that a vessel will enter, exit, or remain in the Gulf of Mexico shrimp fishery based on a myopic profit maximization criterion. The multinomial logit model indicates that fisherman behavior is not influenced by stock variability. The crowding externality as represented by size of fishing fleet exhibits a strong negative impact on the probability of entry, independent of changes in abundance, exvessel prices, or harvest costs. The Gulf of Mexico shrimp fishery was not an autonomous system of fishing vessels as initially believed.

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