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Harvesting in a pelagic fishery: The case of Northern Chile

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  • Julio Peña‐Torres
  • Michael Basch

Abstract

This paper analyses the pelagic fishery of Northern Chile, estimating harvesting functions that contribute to understand why rather poor incentives to exit may predominate in pelagic fisheries, despite scarcer fish stocks. Our results show that per‐vessel catch's stock sensitivity (the catch‐to‐biomass elasticity value) varies negatively with stock levels. Stock levels preceding a marked fall into biological overfishing would have been associated to biomass elasticities lower than the unitary value. This suggests that during catch bonanza periods, catch‐per‐unit‐of‐effort would fail to detect a rapidly declining stock trend, increasing the risk of fishing collapse. Moreover, external economies in search efforts would have reduced the incentives to exit, particularly for the smaller vessels in our sample. Finally, we find evidence of either constant or increasing marginal returns in the use of per‐vessel fishing effort, which suggests that inefficiency in production has resulted from direct restrictions upon fishing effort. Overall, our findings provide consistent evidence that enhances the necessity of more efficient regulations upon harvesting in pelagic fisheries. Copyright Kluwer Academic Publishers 2000

Suggested Citation

  • Julio Peña‐Torres & Michael Basch, 2000. "Harvesting in a pelagic fishery: The case of Northern Chile," Annals of Operations Research, Springer, vol. 94(1), pages 295-320, January.
  • Handle: RePEc:spr:annopr:v:94:y:2000:i:1:p:295-320:10.1023/a:1018933603839
    DOI: 10.1023/A:1018933603839
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    Citations

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    Cited by:

    1. Michael Basch & Julio Peña-Torres & Sebastian Vergara, "undated". "Catch Efficiency in the Chilean Pelagic Fishery: Does size matter ?," ILADES-UAH Working Papers inv140, Universidad Alberto Hurtado/School of Economics and Business.
    2. Andrés Gómez-Lobo & Julio Peña-Torres & Patricio Barría, 2011. "ITQ’s in Chile: Measuring the Economic Benefits of Reform," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 48(4), pages 651-678, April.

    More about this item

    Keywords

    Chilean pelagic fisheries; harvesting functions; panel estimation; Cobb–Douglas and Translog production functions; schooling fish; Q22; C33; L7;
    All these keywords.

    JEL classification:

    • Q22 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Fishery
    • C33 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Models with Panel Data; Spatio-temporal Models
    • L7 - Industrial Organization - - Industry Studies: Primary Products and Construction

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