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1.
应用DEA(教据包络分析)模型处理高等院校效率评价问题具有独特优势.在简要概括介绍DEA模型的基础上,应用输出DEA模型对某大学13个工科学院在5个指标上的效率进行评价,分析各学院存在的问题并提出相应的解决措施.  相似文献   

2.
李超显  曾润喜  徐晓林 《情报杂志》2012,31(8):204-207,176
政府社会管理职能绩效评估是政府社会管理与政府绩效评估面临的重点和难点问题.构建DEA绩效评估模型,对政府社会管理职能绩效进行实证评估,并对DEA在政府社会管理职能绩效评估中的应用方法和注意事项进行有益探讨.研究结果表明,DEA可以比较客观、简约、直观地评价政府社会管理职能的相对有效性,可以帮助政府部门准确掌握社会管理职能绩效水平,DEA在处理多指标输入和多指标输出的有效性评价方面具有明显的优势,特别适合政府社会管理职能这种复杂系统的绩效评估和改进.在运用DEA时,应注意DEA的使用条件和局限性,可依据评估目的进行适当的改进和拓展.  相似文献   

3.
本文从被评价单元间的相对效率分析着手,利用统计方法选择评价指标、运用数据包络分析(DEA)方法中的超效率模型和Bc2模型,对广东省21个城市科技创新相对有效性进行较为全面而客观地评价.并通过对DMu单元在DEA相对有效面上的投影分析,提出了非DEA有效单元如何进行有效性调整的有关建议.  相似文献   

4.
黄宗盛  刘盾  胡培 《软科学》2014,(3):16-20
将粗糙集理论和DEA方法引入到低碳经济评价中,建立基于DEA模型的低碳经济投入—产出指标体系。选取投入产出指标作为条件属性,选取DEA效率评价指标作为决策属性,通过粗糙集理论对投入产出属性进行约简,得到低碳经济DEA模型的关键属性,并进行规则挖掘。利用我国30个地区的低碳经济数据对模型的合理性和有效性进行验证。  相似文献   

5.
邢会歌  王卓甫 《科研管理》2010,31(3):143-148
摘要:针对DEA评价与排序时单独采用相对最优效率模型与相对最差效率模型,存在丢失重要信息的不足,引入DEA模型区间效率的概念,把两种评价模型有机结合,可实现对决策单元更合理的评价与排序。进一步改进了DEA区间效率模型,并对其计算效果进行分析,找出了计算决策单元区间效率的合理模型。在此基础上引入决策者的偏好系数β来计算区间效率的评价指标,分析得出当0≤β≤05时采用相对最差效率模型,05≤β≤1时采用相对最优效率模型来计算区间效率这一结论。通过具体的数值算例,对决策者偏好不同的情况下决策单元区间效率的评价指标进行计算和敏感性分析,计算结果表明,改进的DEA区间效率模型对决策单元排序更为合理。  相似文献   

6.
针对综合评价中的权重赋值问题,提出一种具有"差异性"的赋权法,在DEA模型的基础上,根据具体情况,对指标赋予不同的权重,更符合实际情况,并通过实例验证了算法的有效性,可以应用于更多的问题中。  相似文献   

7.
一种基于DEA和多指标综合评价的大学科研绩效评价方法   总被引:16,自引:0,他引:16  
针对传统科研评价方法的局限性,提出一种基于DEA方法和多指标综合评价法的科研绩效评价模型,该模型在多指标综合评价法给出的评价结果的基础上,结合DEA模型的计算结果,对传统评价结果进行合理的修正,使得修正后的结果具有考察不同投入规模单元之间产出绩效的比较分析功能。  相似文献   

8.
陕西省重点实验室综合评价方法及其应用   总被引:1,自引:0,他引:1  
在分析多指标综合评价方法的基础上,构建了陕西省重点实验室评价指标体系,以24所省级重点实验室为评价实例,提出了一种将主成分分析与DEA模型结合的多指标综合评价方法。  相似文献   

9.
本文在对相关评价方法综述的基础上,选择数据包络分析(DEA)建立企业技术创新能力DEA评价模型。通过实证研究,对企业进行最优值分析、规模收益分析、投影分析,确定了相对有效的企业并对非有效企业提出了调整方案。实证研究结果表明DEA评价法可以为企业与政府制定科技发展策略提供有效参考依据。  相似文献   

10.
从投入产出视角出发,构造基于混合DEA模型的电子信息企业运营效率评价指标体系,该模型不仅能同时处理锥性指标和非锥性指标,并且通过引入虚拟变量改进后,可以获得各决策单元的绝对排序。最后运用所建评估模型对我国18家电子信息上市公司进行实证分析,解析评价体系的操作程序,验证评估方法的科学性和实用性。  相似文献   

11.
CAS should stick to the principle of rendering service to, and giving impetus for, the development of China's science enterprise by making S&T innovations, said CAS President LU Yongxiang. The CAS president made the remarks in a recent talk to communicate the gist of the winter session of the Party's Leading-member Group at CAS, which was held from 7 to 11 January in Beijing.  相似文献   

12.
This study examined how students who had no prior experience with videoconferencing would react to the use of videoconferencing as an instructional medium. Students enrolled in seven different courses completed a questionnaire at the beginning of the semester and again at the end of the semester. Students at the origination and remote sites did not differ in their reactions toward videoconferencing but there was a significant difference for gender. Women reacted less favorably to videoconferencing. Compared to the beginning of the semester, students reported significantly less positive attitudes toward taking a course through videoconferencing at the end of the semester. There were no significant differences in students' attitudes toward videoconferencing across courses at the beginning of the semester but there were significant differences across the courses at the end of the semester. The results suggest the need for better preparation for both students and instructors.  相似文献   

13.
With great care, Dr. ZHOU Zhonghe takes out a package wrapped by cotton tissue from a drawer and says: "This is the gem of our collections: the fossil of a bird that lived 125 million years ago!" Then, pointing at a tiny mound, he explains: "Look, this is the claw and that is the head. It was in the egg shell and ready to hatch ... The species fell into a family of waterside inhabitants."  相似文献   

14.
Ajoint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology and his co-workers from Norway, US and Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells, suggesting that China's projected climate warming could decrease the pest's numbers. The study was published in Proceedings of theNational Academy of Sciences on 17 September, 2007.  相似文献   

15.
A computer-mediated group is a complex entity whose members exchange many types of information via multiple means of communication in pursuit of goals specific to their environment. Over time, they coordinate technical features of media with locally enacted use to achieve a viable working arrangement. To explore this complex interaction, a case study is presented of the social networks of interactions and media use among members of a class of computer-supported distance learners. Results show how group structures associated with project teams dominated who communicated with whom, about what, and via which media over the term, and how media came to occupy their own communication niches: Webboard for diffuse class-wide communication; Internet Relay Chat more to named others but still for general communication across the class; and e-mail primarily for intrateam communication. Face-to-face interaction, occurring only during a short on-campus session, appears to have had a catalytic effect on social and emotional exchanges. Results suggest the need to structure exchanges to balance class-wide sharing of ideas with subgroup interactions that facilitate project completion, and to provide media that support these two modes of interaction.  相似文献   

16.
Electronic data interchange (EDI) provides means for interorganizational communication, creates network externalities, requires an advanced information technology (IT) infrastructure, and relies on standards. In the diffusion of such innovations, institutional involvement is imperative. Such institutions contain governmental agencies, national and global standardization organizations, local government, and nonprofit private organizations like industry associations. The last type of organizations we call intermediating institutions. They intermediate or coordinate ("inscribe") the activities of a group of would-be adopters. Unfortunately, little is known of how these organizations shape the EDI diffusion trajectory. In this article we examine one specific type of intermediating organizations?industry associations?and how they advanced the EDI diffusion process in the grocery sectors of Hong Kong, Denmark and Finland. We identify six institutional measures, placed into a matrix formed by the mode of involvement (influence vs. regulation) and the type of diffusion force (supply push vs. demand pull), that can be mobilized to further the EDI diffusion. Industry associations were found to be active users of all these measures to varying degrees. Their role was critical especially in knowledge building, knowledge deployment, and standard setting. Furthermore, institutional involvement varied due to policy and cultural contingencies and power dependencies.  相似文献   

17.
The increasing prospects of digital piracy has prompted the perceived need by electronic publishers to adopt technical systems of protection, and governments to reform their copyright laws. This article is a preliminary study of the management of intellectual property by electronic publishers, defined as those involved in the production of online databases, and CD-ROMs. It focuses on three main issues: (1) how electronic publishers view the increasing threat of piracy; (2) the methods of protection employed to protect intellectual property in digital format; and (3) the importance of technological protection of intellectual property in electronic publications. The analysis is based on a sample of 23 UK electronic publishers. The interviews revealed an interesting assortment of protection methods and did not show that technological protection was a preferred way. Instead, the means of protection, in addition to copyright law, comprised niche markets, pricing, trust, bad publicity, and nontechnical and technical means.  相似文献   

18.
Long-standing conflict between domain name registrants and trademark holders prompted the Internet Corporation for Assigned Names and Numbers (ICANN) to create a global, mandatory arbitration procedure known as the Uniform Dispute Resolution Policy (UDRP). The UDRP has been used in 2166 cases involving 3938 domain names as of 1 November 2000. The policy gives the initiator of a complaint, generally a trademark holder, the right to choose which ICANN-accredited dispute resolution service provider (RSP) will handle the case. During the preparation of the UDRP,some feared that complainant selection would lead to "forum shopping" that might bias the results. This article performs a statistical assessment of the forum-shopping thesis and finds support for it. There are statistically significant differences in the various RSPs' propensity to take away names from defendants; there are also major differences in the number of cases brought to each RSP. RSPs who take away names have the larger share of cases. The study examines other variables that might explain differences in market share, such as price, the plaintiff's nationality, or the time taken to decide a case. It finds that nationality and time also are correlated with market share. The study concludes that shopping for a favorable outcome is an important factor in the UDRP.  相似文献   

19.
Prof. Raymond C.K. Chen, a neuropsychologist with the CAS Institute of Psychology, has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology.  相似文献   

20.
Prof. SUN Changpu from the CAS Institute of Theoretical Physics and coworkers from University of Basel in Switzerland have worked out a way --at least in theory --to split a beam of molecules according to their chirality. The technique involves passing the molecules through three different laser beams and is similar to the famous Stern-Gerlach effect, whereby a beam of atoms passing through a magnetic field is split in two according to the atoms' spin states (Phys. Rev. Lett. 99 130403).  相似文献   

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