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121.
Using Simulation and Data Envelopment Analysis to Compare Assembly Line Balancing Solutions 总被引:2,自引:0,他引:2
This paper presents a technique for comparing the results of different assembly line balancing strategies by using Data Envelopment Analysis (DEA). Initially, several heuristics--which can be thought of as assembly line balancing strategies--were used to solve seven line-balancing problems. The resulting line balance solutions provided two pieces of information that were of particular interest: the number of workers needed and the amount of equipment needed. These two items were considered inputs for DEA. The different line balance solutions were then used as layouts for simulated production runs. From the simulation experiments, several output performance measures were obtained which were of particular interest and were used as outputs for DEA. The analysis shows that DEA is effective in suggesting which line balancing heuristics are most promising. 相似文献
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123.
Unlike previous studies which only focus on the main effect between IC and FV, this research includes PTE with the gap of resource-based view. IC is a key element in creating a competitive advantage, as it has a great influence on FV. A company may put relatively less into IC if it demonstrates higher efficiency. However, previous studies have neglected the fact that relative efficiency and IC affect FV and stock returns directly and indirectly. The research period was from 2006 to 2010 and the main research methods include HRA and DEA. The main research findings include the following. (1) There is a space for improvement in terms of the total technical efficiency. (2) PTE has a significant moderating effect between IC and FV. (3) IC and PTE have a significant influence on FV. (4) Apart from PTE and stock returns, IC and FV show significant differences within the sub-industry. 相似文献
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125.
我国区域经济增长的开发性金融支持效应分析——基于面板数据模型的研究 总被引:1,自引:0,他引:1
随着我国经济增长方式从粗放型向节约型可持续发展方向转变,开发性金融理论与实践日益受到重视。本文利用面板数据分析了开发性金融对区域经济发展的影响,结果表明,近几年来开发性金融对区域经济增长的促进作用是明显的,对缩小区域差异的作用不明显,但通过分析认为开发性金融是缩小区域经济差异的有效政策手段。 相似文献
126.
中国区域经济协调发展中的投资导向研究 总被引:1,自引:0,他引:1
总体上以投资促经济增长的发展战略,有可能因忽视区域特点而产生误导.有鉴于此,本文应用省区面板数据,分别从总体和分区域地检验了投资与增长之间的Granger因果关系,并在因果关系的条件下计算了投资对增长的长期影响系数.结果发现,在不同区域投资与增长之间的因果关系呈现出不同的特点,而且投资对增长的影响方向与作用力度迥异.文章最后也尝试着寻求推动区域经济发展的共同因素.本文的理论含义是,总体分析因为忽略了区域特征而产生严重误导;政策建议是,投资应侧重东、中部地区,尤其是中部地区,而西部地区更应注重科技投入和引进外资等发展策略. 相似文献
127.
Joan Leach 《Futures》1998,30(10):1027-1035
This review of the film Men in Black argues that what used to be alarming in the science fiction genre has now become its main source of humour. As a reactionary response to the dystopic X-Files, MiB is an elaborate parody which seeks to recuperate ideological ground lost by the X-Files' examination of gender and technology in contemporary culture. Anxiety about the roles of technology, gender and the state are replaced by humour about the notion of anxiety itself. Anxious we may be at the close of the millenium, but MiB tells us to just laugh it all away. 相似文献
128.
The Effect of Sample Size on the Mean Efficiency in DEA with an Application to Electricity Distribution in Australia,Sweden and New Zealand 总被引:1,自引:0,他引:1
This study examines the effect of sample size on the mean productive efficiency of firms when the efficiency is evaluated using the non-parametric approach of Data Envelopment Analysis. By employing Monte Carlo simulation, we show how the mean efficiency is related to the sample size. The paper discusses the implications for international comparisons. As an application, we investigate the efficiency of the electricity distribution industries in Australia, Sweden and New Zealand. 相似文献
129.
管理会计学科知识中涉及到大量的分析模型和数据指标,在现实生活中往往被人们不加推敲地生搬硬套,视其为当然的权威、绝对地正确,使管理会计的学习应用趋于教条化。而实际上,管理会计还是一门发展并不十分成熟的学科,其中存在许多值得我们进一步研究和论证的问题。例如,有些方法已明显与现实脱节,有些方法还停留在以静止的观点看问题。有的不考虑管理会计这一信息系统中数据信息的取得成本,有的分析模型一味追求精确复杂反而推动了实际应用价值,有的分析方法干脆就不具备多少严谨性和可信性。本文针对以上问题进行了讨论,旨在抛砖引玉,使管理会计这一学科更加健全和完善。 相似文献
130.
Alexandra Kontolaimou Konstantinos Kounetas Ioannis Mourtos Kostas Tsekouras 《Economic Modelling》2012,29(5):1798-1808
This paper investigates the production efficiency of 12 European banking systems over the period 1997–2004, taking into account possible technology heterogeneity. Using a non-parametric metafrontier framework, efficiency and metatechnology ratio measures are computed and decomposed into input- and output-invariant components. Empirical findings indicate the existence of significant and rather increasing technology heterogeneity within European banking. A typology of the national banking systems is also developed, based on the overall productive performance with respect to the European technological edge, the absorptive capacity and the role of knowledge spillover effects. Decomposition results draw attention to catching up policies focusing on input and/or output scale adjustments. 相似文献