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2008 International Conference on Risk Management & Engineering Management最新文献

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Real Option Study on Merger and Acquisition Investment and Financing Decisions 并购投融资决策的实物期权研究
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.81
Shixia Duan, Wenxiu Hu
This paper investigates the relationship between Merger and Acquisition (M&A) investment and the financing decisions influenced by market uncertainty. The study has shown that the M&A debt capacity decision influences the M&A investment timing and price decision. We also find out that making the decision of M&A debt capacity is based upon evaluating its influences on the M&A value and bankruptcy risk comprehensively. The M&A debt capacity can only be defined in a certain range.
本文研究了受市场不确定性影响的企业并购投资与融资决策之间的关系。研究表明,并购债务能力决策影响并购投资时机和价格决策。并购债务能力的决策是在综合评估其对并购价值和破产风险影响的基础上进行的。并购债务能力只能在一定范围内界定。
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引用次数: 0
Analysis of the Game Models between Governments and Enterprises in Cultivating Regional Brands of Industrial Clusters 产业集群区域品牌培育中的政府与企业博弈模型分析
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.119
Aihua Xiong, Xiuwen Liu
Regional brands are the senior stage of industrial cluster development as well as the strategic choice for elevating the competitiveness of industrial clusters. The public characteristics of regional brands contribute to the existence of "prisonerpsilas dilemma" in constructing regional brands and the key to the problem is local governments. This paper analyzes the two models in government cultivating regional brands in terms of game model, describing the basic path for governm.ents to participate in constructing regional brands.
区域品牌是产业集群发展的高级阶段,也是提升产业集群竞争力的战略选择。区域品牌的公共性导致了区域品牌建设存在“囚徒困境”,而问题的关键在于地方政府。本文从博弈的角度分析了政府培育区域品牌的两种模式,描述了政府培育区域品牌的基本路径。参与区域品牌建设。
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引用次数: 0
Chinese Open-End Fund Operational Efficiency Appraisal Using Data Envelopment Analysis 基于数据包络分析的中国开放式基金运营效率评价
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.18
Guanghui Song, Wenwei Guo
This study uses data envelopment analysis (DEA) to evaluate the operational efficiency of 50 Chinese open-end funds, and makes a comparative analysis of selected fundspsila operational efficiency according to the fund size, investment type and investment style from the perspective of the overall and division. The result showed that bond funds had the maximum and stable average efficiency, hybrid funds made poor efficiency and equity funds ranked between them. Medium-scale funds showed the maximum and stable average operational efficiency among equity funds. Similarly, index funds showed the maximum operational efficiency and the strong continuing growth among the equity funds with different investment styles. Value funds showed the steady performance, while growth funds had significant operational efficiency of growth with greater fluctuation.
本研究采用数据包络分析(DEA)对我国50只开放式基金的运营效率进行了评价,并从整体和细分的角度对所选基金的运营效率进行了比较分析,根据基金规模、投资类型和投资风格对所选基金的运营效率进行了比较分析。结果表明,债券型基金的平均效率最大且稳定,混合型基金的平均效率较差,股票型基金排在两者之间。中等规模基金在股票型基金中表现出最大且稳定的平均运营效率。同样,指数型基金在不同投资风格的股票型基金中表现出最大的运营效率和强劲的持续增长。价值型基金表现稳定,而成长型基金具有显著的成长型运营效率,波动较大。
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引用次数: 2
Technology Innovation and Risks in Outsourcing 外包中的技术创新与风险
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.38
Y. Yong, Nengsheng Luo, Bigang Hong
We have developed a model to investigate the technology innovation effects of increased outsourcing of production on a low cost region. Increase in profits and reduction in the resource requirement by adapting related innovation could spur the increase of outsourcing. Firms in lower cost region can develop the capacity of innovation through dasialearning by doingpsila and even investment in R&D during this course. But risks, like information leakage, occur. We have analyzed the risks adopting trusting partners within a system relying on the social control dasias perspective. Finally we have discussed some vital measures that managers can take to attempt to control these risks.
我们开发了一个模型来研究低成本地区增加生产外包的技术创新效应。通过采用相关创新来增加利润和减少资源需求可以刺激外包的增加。在这一过程中,低成本地区的企业可以通过持续学习来发展创新能力,包括进行培训甚至投资研发。但是,信息泄露等风险是会发生的。我们从社会控制视角分析了在一个系统中采用信任伙伴的风险。最后,我们讨论了一些重要的措施,管理者可以采取试图控制这些风险。
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引用次数: 4
Short-Term Power Load Forecasting Based on Fuzzy-RBF Neutral Network 基于模糊rbf神经网络的短期电力负荷预测
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.41
Jia Zheng-yuan, Tian Li
The paper proposes short-term power load forecasting model based on fuzzy RBF neural network, it has overcome the BP algorithm's disadvantage of slow convergence rate and it fall into partially the smallest insufficiency easily. RBF network model in the use of the latest neighborhood clustering algorithm, and the network structure and the parameters are double-adjusted and the training speed and forecast accuracy are improved. The examples also show that the model can improve forecast accuracy effectively, reducing the error of load forecasting, and the inherent defects of BP neural network have been avoid.
本文提出了基于模糊RBF神经网络的短期电力负荷预测模型,克服了BP算法收敛速度慢和容易陷入局部最小不足的缺点。RBF网络模型中采用了最新的邻域聚类算法,并对网络结构和参数进行了双重调整,提高了训练速度和预测精度。实例表明,该模型能有效提高预测精度,减小负荷预测误差,避免了BP神经网络的固有缺陷。
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引用次数: 6
Gray-Regression Variable Weight Combination Model for Load Forecasting 负荷预测的灰色回归变权组合模型
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.14
Zhang Fuwei, Zhou Xuelian
A gray model and regression model based middle and long term load forecasting method using variable weight combination model is proposed. In view of the shortcomings of grey prediction model is not very suitable for middle and long term load forecasting, the equivalent dimensions additional data processing technology is adopted to build the equivalent dimensions additional grey model to improve the model. At the same time, there are some characteristic within mid-long term load forecasting such as the long study time span, the complex factors with large uncertainty which have great influence on load forecasting, and the possible original error occurring in basic data of forecasting, the time-varying weight combinational prediction method is adopted to overcome the shortcomings of the fixed weight, it is more practical. The example results show that this model is applicable in the long-term load forecasting, and it has a high forecasting accuracy.
提出了一种基于灰色模型和回归模型的变权组合模型中长期负荷预测方法。针对灰色预测模型不太适合中长期负荷预测的缺点,采用等效维数附加数据处理技术构建等效维数附加灰色模型,对模型进行改进。同时,中长期负荷预测存在研究时间跨度长、不确定性大的复杂因素对负荷预测影响大、预测基础数据可能存在原始误差等特点,采用时变权值组合预测方法克服了固定权值的缺点,更具有实用性。算例结果表明,该模型适用于长期负荷预测,具有较高的预测精度。
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引用次数: 11
The Application of DEA to the Evaluation of Performance of Corporate Divestiture DEA在企业资产剥离绩效评价中的应用
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.83
Lai Bin-hui, Zhang Qiusheng, Z. Tao, Z. Feng
Corporate divestiture is the earliest method of contracting capital operation. With the development of capital market, the evaluation of performance of corporate divestiture is becoming more and more important. There are usually two methods to evaluate the performance of divestiture, that is event study approach and accounting index approach, but they both have some shortcomings. Based on the methodology of data envelopment analysis, this article provides a model to evaluate the divestiture performance based on stability index. The article also illustrates the selection of the input and output indexes and the calculation and treatment of data. The method presented in the article can provide comparative important information of the corporate divestiture.
公司剥离是最早的承包资本运作方式。随着资本市场的发展,企业资产剥离绩效评估变得越来越重要。通常有两种评估剥离绩效的方法,即事件研究法和会计指标法,但两者都有其不足之处。本文基于数据包络分析的方法,提出了一个基于稳定性指标的资产剥离绩效评价模型。文章还对输入输出指标的选择、数据的计算和处理进行了说明。本文提出的方法可以为企业资产剥离提供比较重要的信息。
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引用次数: 0
The Equilibrium of Public Service - An Analysis from the Perspective of Local Government 公共服务的均衡——基于地方政府视角的分析
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.39
Qi Wei, Chen Xiaojian
Public service is a special mission, which is to resolve public issues involved the whole community. However, given the goals of building a harmonious society evidence shows that investment on public service in China is still insufficient. This article explores the incentive of local government on public service. Using game-theoretic framework this paper analyzes the possible strategies and payoffs of the three kinds of players in public service game to conclude a Nash equilibrium in the domain of public service. Furthermore this article discusses the harm of this equilibrium to the whole society and the possible methods to resolve this problem, points out that to realize the goals of "development with equity" specific reform should be introduced to break this self-enforcing equilibrium.
公共服务是一项特殊的使命,它是解决涉及整个社会的公共问题。然而,在构建和谐社会的目标下,证据表明中国公共服务的投入仍然不足。本文探讨了地方政府对公共服务的激励。本文运用博弈论的框架,分析了公共服务博弈中三种参与方的可能策略和收益,得出了公共服务领域的纳什均衡。本文进一步探讨了这种均衡对整个社会的危害以及解决这一问题的可能方法,指出要实现“公平发展”的目标,就必须引入具体的改革来打破这种自我强制的均衡。
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引用次数: 0
Time-Cost Trade-Off Problems of Engineering Project with Running Income 具有运行收益的工程项目时成本权衡问题
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.10
H. Li, H. Ouyang
For an engineering project with running income, the result of time-cost trade-off problems (TCTP) concerning construction duration is only partly optimal. More cash flow happens during the running period, and the final goal of clients is to obtain the maximal profit across the lifecycle of engineering projects. In some situations, the cost of compressing construction duration even exceeds the increase of income of running period. Therefore, there should be an optimal scheme with the whole profit maximum. The relationship between the income of running period and the construction duration is analyzed in this paper; with the time value of capital taken into account, the mathematic model of TCTP across the running period is developed. Furthermore, the improved genetic algorithms (GA) proposed in this paper are applied to optimize the model. In the end, an example is given to testify the validity of the TCTP across the running period with the time value of capital considered.
对于具有运行收益的工程项目,工期的时间成本权衡问题(TCTP)的结果仅是部分最优的。更多的现金流发生在运行期间,客户的最终目标是在工程项目的整个生命周期中获得最大的利润。在某些情况下,压缩工期的成本甚至超过了运行期收益的增长。因此,应该有一个整体利润最大的最优方案。分析了运行周期收益与工期之间的关系;考虑资本的时间价值,建立了跨运行周期的tcpp数学模型。在此基础上,采用改进的遗传算法对模型进行优化。最后,通过实例验证了考虑资金时间价值的tcp跨运行周期的有效性。
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引用次数: 0
Triangular Fuzzy Number Method for Measuring Risk Element Criticality by Credibility Degree in Project Network 基于可信度的项目网络风险要素临界度测度的三角模糊数法
Pub Date : 2008-11-04 DOI: 10.1109/ICRMEM.2008.49
L. Cunbin, W. Jianjun, Li Li, Liu Xueyan
A new triangular fuzzy number critical path method was proposed based on linear programming for solving the uncertain project problem. alpha -cut set was used to transfer the fuzzy number to interval number, and a credibility degree was defined so that the total time range and the different critical paths were given by adjusting the credibility degree. Meanwhile, by analyzing the sensitivity coefficient, the control priorities of activities could be acquired. The result shows that compared with traditional probability methods and other related studies, The method can improve the precision of the project time control.
针对不确定规划问题,提出了一种基于线性规划的三角模糊数关键路径方法。利用α切集将模糊数转化为区间数,定义可信度,通过调整可信度给出总时间范围和不同的关键路径。同时,通过对灵敏度系数的分析,确定各活动的控制优先级。结果表明,与传统的概率方法和其他相关研究相比,该方法可以提高工程时间控制的精度。
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引用次数: 2
期刊
2008 International Conference on Risk Management & Engineering Management
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