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华中农业大学学者揭示了水产养殖户选择非农就业的决策机理
作者:     发表时间:2021-02-02    [浏览量:2]
摘要:  近来,华中农业大学陈轩教授食物经济与办理团队宣布了其在水产饲养户参加非农作业的决议计划机理方面的研讨成果,提醒了水产饲养户挑选参加非农作业的决议计划机理。近......

  近来,华中农业大学陈轩教授食物经济与办理团队宣布了其在水产饲养户参加非农作业的决议计划机理方面的研讨成果,提醒了水产饲养户挑选参加非农作业的决议计划机理。
  近年来,全球水产品商场开展非常快,但水产饲养业依然面临着许多危险,例如气候、环境和商场动摇等。因而,适当数量的水产饲养户活跃寻求其他相对安稳的收入来历,例如额定参加一些非农产业的作业。该团队以新英格兰区域的生蚝饲养户为例,查询了该方针样本的非农作业挑选,评价了影响此类挑选的决定性要素。
  研讨中,科研人员在计量办法上使用了一系列零胀大计数模型,在经济模型构建上额定引进劳作需求侧变量,细心评价了专业交际网络的效果。研讨结果发现农业劳作商场供应侧与需求侧的一系列要素,包含年纪、饲养经历、教育、性别、人口密度、降水乃至水温都会影响生蚝饲养户的额定非农作业挑选。一个特别风趣的结果是,与现有文献相反,研讨发现了更严密的工作交际网络会下降非农作业的倾向,这反映出水产饲养职业与传统陆地农业比较,有着其独特性。
  这个研讨展现了如安在水产饲养这一快速增长的重要职业中运用数量经济办法研讨农户非农作业的决议计划机制,填补了非农作业研讨在水产经济文献中的理论空白,能够深化了解水产饲养户参加非农作业的动机和决议计划机制,为水产饲养业的健康开展供给决议计划参阅。
  【英文摘要】
  Global aquaculture markets have experienced a great deal of recent success. However, growers are still highly susceptible to risks caused by seasonality, interannual variability in earnings, and environmental factors. As a result, we see growers turning to alternative sources of income, and participating in off‐farm labor. We utilize a series of zero‐inflated count models to examine the relationship between an aquaculture grower's off‐farm labor decision and relevant explanatory variables including demand‐side potency, which is often omitted in the literature. We also look to identify and analyze the importance of professional social networks among growers as a stabilizing mechanism and a way to mitigate risk to growers. This study expands upon an economic model that has traditionally been used for analyzing off‐farm labor choices within an agricultural context and applies it to an increasingly important industry, aquaculture.
  论文链接:https://onlinelibrary.wiley.com/doi/10.1111/cjag.12264 日期:2021-02-02  

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