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首页> 外文期刊>Environmental & Resource Economics >Profitability, Capacity and Productivity Trends in an Evolving Rights Based Fishery: The Norwegian Purse Seine Fishery
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Profitability, Capacity and Productivity Trends in an Evolving Rights Based Fishery: The Norwegian Purse Seine Fishery

机译：不断发展的渔业渔业的盈利能力，产能和生产力趋势：挪威钱包塞纳河渔业

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摘要

Regulators in many countries have adopted individual quotas as a means of dealing with the open access problem inherent in fisheries. The Norwegian Purse Seine fishery has evolved over the last 40 years from an open access fishery to a Rights Based management system with individual vessel catch quotas assigned to all major fish species. Regulations do allow for merging vessel quota. The purpose of this paper is to employ an index approach to decompose vessel revenues and costs by factor components. The index approach can measure the importance of prices, output and regulatory changes impacting productivity and provides insight into changes in a mature IVQ fishery. The current study uses a large individual vessel data set for the period 1994-2013. Results show that over time output prices have been the main drivers associated with increased revenues. We correlate output prices with an evolving IVQ fishery, and changes in harvest and demand conditions. Ongoing capital investment, not offset by increased harvest, has seen productivity decline in the early periods of the study but some recovery towards the end of the period.
机译：许多国家的监管机构通过了个别配额作为处理渔业中固有的开放获取问题的手段。挪威钱包塞纳河渔业在过去40年来从一个公开的访问渔业到基于权利的管理系统，其中包括分配给所有主要鱼类的各个船只的配额。法规确实允许合并船舶配额。本文的目的是采用指数方法来分解船舶收入和因子组件成本。索引方法可以衡量影响生产率的价格，产出和监管变化的重要性，并在成熟的IVQ渔业中提供洞察力。目前的研究使用了1994 - 2013年期间的大型船只数据集。结果表明，随着时间的推移，产量价格一直是与增加收入相关的主要司机。我们将输出价格与不断发展的IVQ渔业相关，以及收获和需求条件的变化。正在进行的资本投资，不抵消收获，在研究的早期提高生产率下降，但在该期间结束时恢复了一些恢复。

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