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偏向性扶持政策、资源错配与家庭农场培育——以山东省高唐县家庭农场培育为例
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作者 王建华 《江苏农业科学》 北大核心 2017年第17期309-313,共5页
适宜的扶持政策是家庭农场培育的关键要素。以山东省聊城市高唐县为例,分析了高唐县家庭农场发展的基本特征及发展态势,阐析高唐县家庭农场培育的相关政策,例如构建家庭农场培育的土地流转平台、重点培育粮食型家庭农场、健全社会化服... 适宜的扶持政策是家庭农场培育的关键要素。以山东省聊城市高唐县为例,分析了高唐县家庭农场发展的基本特征及发展态势,阐析高唐县家庭农场培育的相关政策,例如构建家庭农场培育的土地流转平台、重点培育粮食型家庭农场、健全社会化服务体系以及融合农业产业链等,考察高唐县家庭农场培育过程中偏向性扶持政策的典型事实,包括家庭农场准入退出障碍、金融扶持政策体系不协调、政策扩散范围的有限性以及政策供需不匹配等,并揭示其对家庭农场之间资源分配带来的负面影响。最后,以行业偏向性政策为例探讨偏向性扶持政策的资源错配传导机制及效应,研究结果表明,行业偏向性扶持政策易造成不同行业之间资源分配失衡,并使不同行业所面临的要素价格存在差异,进而扭曲行业之间的资源配置。因此,应进一步完善农场培育的相关扶持政策,建立公平的竞争性政策环境,促进家庭农场可持续发展。 展开更多
关键词 家庭农场 培育 源错配 偏向性政策 传导机制
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A New Multi-Resource Allocation Mechanism: A Tradeoff between Fairness and Efficiency in Cloud Computing 被引量:2
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作者 Lihua Zhao Minghui Du Lin Chen 《China Communications》 SCIE CSCD 2018年第3期57-77,共21页
This paper addresses multi-resource fair allocation: a fundamental research topic in cloud computing. To improve resource utilization under well-studied fairness constraints, we propose a new allocation mechanism call... This paper addresses multi-resource fair allocation: a fundamental research topic in cloud computing. To improve resource utilization under well-studied fairness constraints, we propose a new allocation mechanism called Dominant Resource with Bottlenecked Fairness(DRBF), which generalizes Bottleneck-aware Allocation(BAA) to the settings of Dominant Resource Fairness(DRF). We classify users into different queues by their dominant resources. The goals are to ensure that users in the same queue receive allocations in proportion to their fair shares while users in different queues receive allocations that maximize resource utilization subject to well-studied fairness properties such as those in DRF. Under DRBF, no user 1) is worse off sharing resources than dividing resources equally among all users; 2) prefers the allocation of another user; 3) can improve their own allocation without reducing other users' allocations; and(4) can benefit by misreporting their resource demands. Experiments demonstrate that the proposed allocation policy performs better in terms of high resource utilization than does DRF. 展开更多
关键词 multi-resource fairness allocation cloud computing resource utilization
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