annotated bibliography of fisheries economics literature - Office of ...

Economics, 64(3):463-474.
This paper develops a reasonably general multiple cohort model and
derives conditions for optimal harvest and age structure based on a discrete
time control problem that maximizes the present value of net revenues subject
to recruitment and spawning constraints. The model is applied to the hard
clam resource in Great South Bay, that is located on Long Island, New York.
The steady state optimum calls for exclusive harvesting of the younger, and
more valuable, "littleneck" cohorts; leaving the older, and less valuable,
"cherrystone" and "chowder" cohorts to specialize in regeneration.
Conrad, Jon M. (1985). "Residuals Management: Disposal of Sewage Sludge
in the New York Bight." Marine Resource Economics, 1(4):321-345.
This paper discusses a problem facing New York and several other coastal
cities: how and where they should dispose of the sludge produced in the
treatment of municipal and industrial wastewater. A dynamic model of sludge
accumulation is constructed that identifies conditions under which it is
optimal to cease and switch or dispose simultaneously at both near shore and
offshore sites. Environmental conditions in the New York bight are discussed
along with incidents occurring during the summer of 1976 that galvanized
public concern over the amount and types of contaminants entering the bight.
While sludge-related were not a major factor in either incident, the cost of
sludge-related degradation, particularly if inner bight fisheries were well
managed, is probably sufficient to warrant disposing of sludge at the more
distant 106 mile site. It is important to institute ecological and economic
monitoring of both the offshore and near shore sites if the role of ocean
disposal in residuals management is to be better defined.
Conrad, Jon M. (1987). "The Magnuson Fisheries Conservation and
Management Act: An Economic Assessment of the First 10 Years."
Marine Fisheries Review, 49(3):3-12.
The Magnuson Fisheries Conservation and Management Act was enacted in
1976 and implemented in 1977. In an analysis of data collected by the
National Marine Fisheries Service one observes a significant increase in the
landings of fish and shellfish and in nominal and real ex-vessel revenue. The
present value of net variable revenues for the 1968-76 period was estimated at
$1.1 billion compared with #3.8 billion for the 1977-85 period. The increase
in net revenues, however, appears to be declining due to the increase in the
number of vessels in the U.S. domestic fleet. The time path for net revenues
suggests that the industry is headed toward a new (purely domestic) open
access equilibrium where revenue equals cost and the imputed value of the
resource is driven to zero (rent dissipation). It is well known that open
access results in welfare losses to both consumers and the fishing industry.
If these welfare losses are to be avoided, the eight regional management
councils and the Department of Commerce must adopt policies that will reduce
yield in the short run (thereby allowing stocks to increase) and efficiently
harvest optimum yield in the long run. Transferable quotas for single species
fisheries and transferable effort quotas (rights) in multispecies fisheries
are attractive because they encourage efficient (least cost) harvest and
afford flexibility in a world where the stocks of individual species are
subject to fluctuation. Discussion by Ivar Strand.
Conrad, Jon M. (1993). "Bioeconomic Models of the Fishery." Presented
at the International Conference on Fisheries Economics, Os,
Norway, May 26-28.
A survey on the recent literature on bioeconomics in five sections;
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