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

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Fisheries Review, 46(2):53-59.<br />

Sound management <strong>of</strong> the Texas shrimp fishery requires an understanding<br />

<strong>of</strong> the composition <strong>of</strong> the shrimp fleet and its response to changing economic<br />

conditions and regulations. This study utilized Texas Parks and Wildlife<br />

Department licensing data to quantitatively describe and evaluate the<br />

commercial fleet from 1979 to 1982. Tables representing the number <strong>of</strong> vessels<br />

in the fleet, the license (bay, bait, Gulf) or license combinations that they<br />

maintain, the home ports <strong>of</strong> vessels, and the counties <strong>of</strong> residence <strong>of</strong> vessel<br />

owners, are presented. Despite yearly fluctuations, the shrimp fleet has been<br />

increasing, as have been the purchases <strong>of</strong> single and multiple licenses.<br />

Decreases in the number <strong>of</strong> vessels in the fleet for any given year resulted<br />

primarily from vessels less than 25 feet in length and vessels 55-70 feet in<br />

length leaving the fishery. The expansion <strong>of</strong> the fleet in 1981 and its<br />

relationship to 1981 <strong>fisheries</strong> legislation is discussed.<br />

Krauthamer, Judith T., William E. Grant, and Wade L. Griffin (1987). "A<br />

Sociobioeconomic Model : The Texas Inshore Shrimp Fishery."<br />

Ecological Modelling, 35:275-307.<br />

A sociobioeconomic model (SBM) <strong>of</strong> the Texas inshore shrimp fishery is<br />

developed as an extension <strong>of</strong> a General Bioeconomic Fisheries Simulation Model<br />

(GBFSM) for annual crop <strong>fisheries</strong>. The SBM is a heuristic model which<br />

redefines the traditional concept <strong>of</strong> a vessel class to include social and<br />

cultural variables that describe the vessel operators. Sociocultural<br />

variables that are hypothesized to affect harvesting capability <strong>of</strong> fishermen,<br />

or relative fishing power (RFP) <strong>of</strong> vessels that they operate, are identified<br />

and referred to as Fishing Advantage variables. Fishing Advantage variables,<br />

age <strong>of</strong> operator, years <strong>of</strong> experience, and innovativeness, are quantified and<br />

incorporated into the GBFSM through modification <strong>of</strong> an equation that<br />

calculates RFP for different SBM vessel classes. Sociocultural variables<br />

hypothesized to affect decisions <strong>of</strong> vessel operators to exert fishing effort,<br />

or nominal days fished (NDF) are identified and referred to as Motivational<br />

variables. These include deferred gratification orientation, work<br />

orientation, and vessel ownership status <strong>of</strong> the vessel operator. A method<br />

using decision trees to direct decision making based on Motivational variables<br />

and economic feedback is incorporated into the GBFSM to adjust NDF for<br />

different vessel classes. Five idealized inshore vessel classes representing<br />

different types <strong>of</strong> Texas inshore shrimp vessels, whose operators differ in<br />

Fishing Advantage and Motivation, are included in the SBM. Examination <strong>of</strong> the<br />

performance <strong>of</strong> individual inshore vessel classes indicated that policy changes<br />

have different economic impacts on different groups <strong>of</strong> fishermen, with revenue<br />

and rent <strong>of</strong> the lowest producers being most sensitive to policy changes.<br />

Krautkraemer, Jeffrey A. (1990). "Taxation, Ore Quality Selection, and<br />

the Depletion <strong>of</strong> a Heterogeneous Deposit <strong>of</strong> a Nonrenewable<br />

Resource." Journal <strong>of</strong> Environmental Economics and Management,<br />

18:120-135.<br />

The effect <strong>of</strong> taxation on depletion is examined when ore quality varies<br />

within a deposit and the firm's selection <strong>of</strong> the sequence <strong>of</strong> exploitation is<br />

constrained. Tax policies in this setting are less conserving <strong>of</strong> the resource<br />

than if ore quality is homogeneous and can be less conserving <strong>of</strong> the resource<br />

than in other models <strong>of</strong> ore quality selection. For example, a constant<br />

severance tax can induce faster depletion, decrease the life <strong>of</strong> the mine,<br />

reduce total recovery, and increase metal output in periods when extraction is<br />

positive.<br />

Kronman, Mick (1995).<br />

Dolphin Protection. In Brad Warren, Win-Win Bycatch<br />

3 7 5

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