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渔业集体权利的长期影响:评估阿拉斯加西部社区发展配额计划。

Long-term effects of group rights to fisheries: Evaluating the Western Alaska Community Development Quota program.

作者信息

Berman Matthew

机构信息

Institute of Social and Economic Research, University of Alaska Anchorage, Anchorage, Alaska, United States of America.

出版信息

PLoS One. 2024 Dec 2;19(12):e0312682. doi: 10.1371/journal.pone.0312682. eCollection 2024.

Abstract

Restricting access to fisheries and other common property resources through creation of individual transferable rights has been documented to create wealth and promote conservation, but has also reduced employment and increased inequality in fishing communities. Creating group rights instead of individual rights has been suggested as an alternative strategy that could realize the benefits with diminished social cost; however, little independent evaluation of actual implementations of group rights to fisheries has occurred. The Western Alaska Community Development Quota (CDQ) program represents an example of allocation of group fishery rights to six not-for-profit organizations representing 65 small, largely Indigenous coastal communities. Using a unique data set of individual and household survey records spanning more than 25 years, we applied a difference-in-differences approach to measure changes in a variety of social and economic indicators, including Indigenous language use and educational attainment, employment, earnings, income, and poverty status, while controlling for demographic and general economic changes over the years. We found significant differences in outcomes for individuals and households in CDQ-participating communities from those residing in nearby communities ineligible for participation. Differences were especially pronounced for earnings and income. Results suggest that group rights can provide significant social benefits. The relatively small community populations provides insufficient power to determine statistically whether the benefits of the CDQ program have been increasing or diminishing over the years, or whether some communities have benefited more than others.

摘要

通过创建可转让的个体权利来限制对渔业及其他公共财产资源的获取,已被证明能创造财富并促进保护,但同时也减少了就业机会,并加剧了渔业社区的不平等。有人建议创建集体权利而非个体权利,作为一种替代策略,以在降低社会成本的情况下实现这些益处;然而,对渔业集体权利实际实施情况的独立评估却很少。阿拉斯加西部社区发展配额(CDQ)计划是向代表65个小型、主要为原住民的沿海社区的六个非营利组织分配集体渔业权利的一个例子。我们使用了一个跨越25年以上的个人和家庭调查记录的独特数据集,采用双重差分法来衡量各种社会和经济指标的变化,包括原住民语言使用和教育程度、就业、收入、收益、贫困状况等,同时控制多年来的人口结构和总体经济变化。我们发现,参与CDQ计划的社区中的个人和家庭与居住在附近无资格参与的社区中的个人和家庭在结果上存在显著差异。收益和收入方面的差异尤为明显。结果表明,集体权利可以带来显著的社会效益。社区人口相对较少,因此没有足够的统计效力来确定CDQ计划的效益多年来是在增加还是减少,或者某些社区是否比其他社区受益更多。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2527/11611149/0910690e4891/pone.0312682.g001.jpg

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