小渔民的捕鱼地点选择和风险偏好-对渔业管理政策的影响

IF 0.4 Q4 AGRICULTURAL ECONOMICS & POLICY African Journal of Agricultural and Resource Economics-AFJARE Pub Date : 2020-06-30 DOI:10.22004/AG.ECON.307626
R. Sultan
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引用次数: 1

摘要

这项研究为毛里求斯岛西南海岸个体渔民的风险偏好如何决定捕鱼地点选择提供了证据。风险偏好使用在平均标准差空间上定义的随机线性效用框架进行建模。该研究估计了Just和Pope生产函数的预期收入和收入风险,并应用随机参数logit模型来解释特定于渔民和特定于地点的特征。研究结果与效用最大化渔民一致,即选择捕鱼地点的可能性与预期收入呈正相关,与收入风险负相关。从捕鱼站到渔场的距离对捕鱼地点的选择产生负面影响。该估计模型允许风险偏好的异质性,并得出结论,51%的渔民可以被归类为风险厌恶型,31%的渔民可以归类为风险寻求型,其余的渔民可以分类为风险中性型。该研究还根据渔民的风险偏好估计了捕鱼地点之间的可替代性和互补性程度,并讨论了这与渔业管理政策的相关性。
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Fishing location choice and risk preferences among small fishers – Implications for fisheries management policies
The study provides evidence for how risk preferences determine fishing location choices by artisanal fishers on the south-west coast of the island of Mauritius. Risk preference is modelled using a random linear utility framework defined over mean-standard deviation space. The study estimates expected revenue and revenue risk from the Just and Pope production function and applies the random parameter logit model to account for fisher-specific and location-specific characteristics. The findings are consistent with utility-maximising fishers, whereby the likelihood to choose a fishing location is positively associated with expected revenue and negatively related to revenue risk. Distance from fishing station to fishing grounds affects the choice of fishing location negatively. The estimated model allows heterogeneity in risk preferences and concludes that 51% of fishers can be classified as risk averse, 31% as risk seekers and the remaining as risk neutral. The study also estimates the degree of substitutability and complementarity between fishing locations based on the risk preferences of fishers and discusses the relevance of this for fisheries management policy.
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来源期刊
CiteScore
1.20
自引率
16.70%
发文量
8
期刊介绍: The African Journal of Agricultural and Resource Economics (AfJARE)/Journal Africain d’Economie Agricole et des Ressources (JAEAR) is a publication of the African Association of Agricultural Economists (AAAE). The journal publishes original research about how African agriculture interacts with local and global economic systems and policy regimes in its impacts upon people. The scope of the journal covers the roles of markets, technology, policy, institutions and the natural environment in shaping the lives of well being of Africans engaged in agricultural activities. The journal strives to nurture and enhance the capacity of African professionals to conduct and publish scientific research and provides a venue for communicating and disseminating their findings. Multi-disciplinary, problem-oriented articles are encouraged. Submissions may deal with teaching, research extension, consulting, advising, entrepreneurship and administration. The Chief Editors and Editorial Board, under the general direction of the AAAE President, Executive Committee and Council are charged with implementing Journal policy to serve members of AAAE. The main section of the journal publishes technical research articles while a small section is devoted to publishing brief notes with important policy content and book reviews. The journal is a quarterly publication.
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