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Measuring Productivity in a Shared Stock Fishery: A Case Study of the Hawaii Longline Fishery

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  • Pan, Minling
  • Walden, John

Abstract

Fisheries productivity is the result of many factors, including endogenous and exogenous elements, such as regulation and stock condition. Understanding changes in productivity and the factors affecting that change is important to fishery management and a sustainable fishing industry. However, no study has been conducted to measure productivity change in the Hawaii longline fishery, the largest fresh bigeye tuna and swordfish producer in the United Stated. Using a Lowe productivity index, productivity change in the Hawaii longline fleet between 2000 and 2012 is measured in this study. In addition, a biomass quantity index is constructed to disentangle biomass impacts in a pelagic environment in order to arrive at an “unbiased” productivity metric. This is particularly important in the Hawaii longline fishery where catches rely mostly on transboundary (shared) stocks with little control on the total amount of extraction. As resource depletion of the transboundary stocks occurs, productivity loss may follow if less output is obtained from the same input usage, or more inputs are used to extract the same catch level from the fishery. Finally, the study compares productivity change under different fishing technologies.

Suggested Citation

  • Pan, Minling & Walden, John, 2015. "Measuring Productivity in a Shared Stock Fishery: A Case Study of the Hawaii Longline Fishery," Marine Policy, Elsevier, vol. 62(C), pages 302-308.
  • Handle: RePEc:eee:marpol:v:62:y:2015:i:c:p:302-308
    DOI: 10.1016/j.marpol.2015.07.018
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    References listed on IDEAS

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    1. Caves, Douglas W & Christensen, Laurits R & Diewert, W Erwin, 1982. "The Economic Theory of Index Numbers and the Measurement of Input, Output, and Productivity," Econometrica, Econometric Society, vol. 50(6), pages 1393-1414, November.
    2. Dale Squires, 1992. "Productivity Measurement in Common Property Resource Industries: An Application to the Pacific Coast Trawl Fishery," RAND Journal of Economics, The RAND Corporation, vol. 23(2), pages 221-236, Summer.
    3. Pradhan, Naresh C. & Leung, PingSun, 2004. "Modeling entry, stay, and exit decisions of the longline fishers in Hawaii," Marine Policy, Elsevier, vol. 28(4), pages 311-324, July.
    4. John B. Walden & James E. Kirkley & Rolf Färe & Philip Logan, 2012. "Productivity Change under an Individual Transferable Quota Management System," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 94(4), pages 913-928.
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