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1.
本文基于实物期权理论,针对研发项目阶段性特点,结合博弈论的思想,分析了多个研发项目组成的投资状态组合,构建了研发项目动态选择模型。首先,根据研发项目多阶段的特征,利用孪生证券的思想,基于实物期权理论,建立了项目中止决策准则;在此基础上分析研发项目的投资决策状态,建立了二十五个状态的切换场景;然后通过实际算例对模型进行验证和分析,得出了研发项目投资的影响范围概念图,最终实现两个项目的最优投资决策目标。  相似文献   

2.
In this paper, multiple criteria sorting methods based on data envelopment analysis (DEA) are developed to evaluate research and development (R&D) projects. The weight intervals of the criteria are obtained from Interval Analytic Hierarchy Process and employed as the assurance region constraints of models. Based on data envelopment analysis, two threshold estimation models, and five assignment models are developed for sorting. In addition to sorting, these models also provide ranking of the projects. The developed approach and the well-known sorting method UTADIS are applied to a real case study to analyze the R&D projects proposed to a grant program executed by a government funding agency in 2009. A five level R&D project selection criteria hierarchy and an assisting point allocation guide are defined to measure and quantify the performance of the projects. In the case study, the developed methods are observed to be more stable than UTADIS.  相似文献   

3.
We study multiunit double auctions accepting bids with indivisibility constraints. Modeling the auction problem as a Multiple Choice Knapsack Problem and using dynamic programming, we show that incremental computations during bid processing can speed the handling of key auction operations such as clearing and quoting. We propose different price‐quote policies and study their influence on the efficiency of market‐based allocation. Using a reconfigurable manufacturing scenario where agents trade large quantities of multiple goods, we demonstrate potential benefits of supporting indivisibility constraints in bidding. These benefits are highly sensitive to the form of price quote provided, indicating interesting tradeoffs in communication and allocation efficiency.  相似文献   

4.
There is a lack of consensus on the role of employee well‐being in the human resource management–organizational performance relationship. This review examines which of the competing perspectives –‘mutual gains’ or ‘conflicting outcomes’– is more appropriate for describing this role of employee well‐being. In addition, this review examines whether study attributes such as the measurement of key variables, the level of analysis and the study design affect a study's outcomes. The review covers 36 quantitative studies published from 1995 to May 2010. Employee well‐being is described here using three dimensions: happiness, health and relationship. The main findings are that employee well‐being in terms of happiness and relationship is congruent with organizational performance (mutual gains perspective), but that health‐related well‐being appears to function as a conflicting outcome. Directions for future research and theoretical development are suggested.  相似文献   

5.
大型建筑工程项目多类型资源的有效配置,是现阶段项目管理理论与工程管理实践面临的关键问题,特别是在考虑工艺顺序和间歇时间的工作可操作性特点,以及多资源之间反馈影响的情况下。通过整合挣值法和系统动力学理论,在分析资源可用性和工作可操作性之间因果关系的基础上,本文构建了大型建筑工程项目多资源配置的系统动力学模型。以上海市重大工程投资统计数据作为模型参数依据,模型的仿真结果表明:建筑工程项目不同类型资源其配置重要性与系统影响性存在显著差异,在制定资源配置策略时应同时考虑项目运作方式的特征与多资源之间的匹配,资源不匹配则容易导致资源配置系统失去稳态或策略失效。这为进一步研究项目管理中多资源配置提供了理论参考和实践支持。  相似文献   

6.
Decision-making techniques are used to select the "best" alternatives under multiple and often conflicting criteria. Multicriteria decision making (MCDM) necessitates to incorporate uncertainties in the decision-making process. The major thrust of this article is to extend the framework proposed by Yager( 1 ) for multiple decisionmakers and fuzzy utilities (payoffs). In addition, the concept of expert credibility factor is introduced. The proposed approach is demonstrated for an example of seismic risk management using a heuristic hierarchical structure. A step-by-step formulation of the proposed approach is illustrated using a hypothetical example and a three-story reinforced concrete building.  相似文献   

7.
多项目资源管理有时需要采用一种资源专享-转移策略,该策略下可更新资源在多项目之间不共享,但在当前项目完工之后其资源可以转移至其它还未开始的项目。针对这一实际问题的理论研究非常有限。考虑活动工期的不确定性,从时差效用函数视角评价项目调度计划的鲁棒性,在考虑拖期成本-鲁棒性的多目标问题框架下,构建了一个资源专享-转移视角下的多项目资源分配(战术层)与鲁棒调度(运作层)双层决策优化模型。针对模型的NP-hard性质和多目标组合优化特征,设计了一种新的自适应大邻域搜索(adaptive large neighborhood search,ALNS)算法求解模型。该算法采用“项目-缓冲-资源-活动”列表的混合编码表示问题可行解,提出基于四类列表的destroy-repair邻域结构,设计一种超体积指标进行自适应搜索以提高算法性能。最后,为了验证ALNS算法的适用性和有效性,设计一种NSGA-II算法作为比较基准,通过大规模仿真实验对算法性能进行了对比分析,并探索工期不确定水平对多项目调度方案鲁棒性的影响。  相似文献   

8.
For nearly two decades, electronic data interchange (EDI) has been widely viewed as a technology pivotal to supply chain management that has also provided benefits to firms on multiple levels. Despite a substantial body of literature, there are a number of conflicting and inconclusive research results in this field. In this study, we synthesize the diverse body of research in EDI by organizing the literature into an initial theoretical framework. Based on a meta‐analysis of results from the empirical literature, we seek to clarify conflicting results from the literature in order to develop a more unified theoretical framework of contextual variables associated with EDI adoption factors and outcomes. From a managerial standpoint, our literature‐based framework offers a set of guidelines for making successful EDI adoption and implementation decisions.  相似文献   

9.
实践中,企业并行实施地域上分散的多个项目时,资源在各子项目之间的转移时间是影响多项目整体进度的关键因素,同时在动态多项目环境下,新项目不断到达且到达时间不可预知使得制定多项目调度计划遭遇更大困难。本文在动态环境下对资源转移时间型分布式多项目调度问题进行建模和求解,基于多代理系统建立分布式多项目调度问题的动态模型,并将拍卖理论引入其中,设计一种基于时间窗拍卖机制的分布式多代理系统(DMAS/ATW),在动态环境和资源转移时间约束下为多项目配置全局资源。通过一个具体的分布式多项目示例详细分析DMAS/ATW算法的动态调度过程,并基于MPSPLIB中的分布式多项目算例开展数值实验。实验结果表明:无资源转移时间约束时,DMAS/ATW算法求得的平均项目延迟同比相关文献中的DMAS/RIA算法最多减少42%,平均减少26%;有资源转移时间约束时,DMAS/ATW算法对1/3算例集的求解结果优于DMAS/RIA算法在无资源转移时间约束时的结果,验证了本文DMAS/ATW算法求解效果的优异性。对算例规模和全局资源利用系数的实验分析还表明,DMAS/ATW算法对不同规模和资源约束紧张程度的算例都具有良好的适应性。  相似文献   

10.
在以往服务管理研究领域中,服务氛围在多个层面上对服务产出的促进作用得到了广泛认可.然而,当前较少有文献对这种积极作用发生的权变性予以关注.基于社会交换理论,本文从个体层面上研究了一线员工感知的服务氛围影响服务绩效的作用机制,旨在探讨员工在工作环境中的情感体验(工作压力感和组织认同感)对服务氛围与服务绩效之间关系的调节作用.研究利用我国银行业368名一线服务员工的问卷调查数据验证了所提出的假设,实证结果发现:(1)工作压力感负向调节服务氛围与角色外服务绩效之间的关系;(2)组织认同感对服务氛围与角色内/外绩效的关系均产生正向调节作用;(3)进一步的三项交互(Three-way Intenction)分析还发现:当组织认同感较高时,工作压力对服务氛围与角色外服务绩效之间关系的负向调节作用变弱.  相似文献   

11.
研发项目是企业提高竞争力的关键,研发项目选择关系到企业的战略和未来发展趋势。研发项目在生命周期内面临技术风险、突发风险和市场风险,本文考虑到研发项目的风险特征,结合企业战略,构建了基于效率排序的研发项目选择模型。首先,本文对研发项目的有效性和相对于其它备选项目的相对优势进行分析;然后针对数据包络分析模型排序的不足,结合平衡计分卡理念,规范研发项目投入的比例,引入实物期权理论,改进数据包络分析模型,实现了对研发项目的效率排序;最后通过实际算例对模型进行验证、横向对比和敏感性分析,结果表明:相对于标准数据包络分析模型,本文提出的模型具有更高的效率区分度,并且能够敏感地捕捉到研发项目投入和产出的变化对效率影响的演变过程。  相似文献   

12.
Product development occurs in multiproject environments where preemption is often allowed so that critical projects can be addressed immediately. Because product development is characterized by time-based competition, there is pressure to make decisions quickly using heuristics methods that yield fast project completion. Preemption heuristics are needed both to choose activities for preemption and then to determine which resources to use to restart preempted activities. Past research involving preemption has ignored any completion time penalty due to the forgetting experienced by project personnel during preemption and the resulting relearning time required to regain lost proficiency. The purpose of this research is to determine the impact of learning, forgetting, and relearning (LFR) on project completion time when preemption is allowed. We present a model for the LFR cycle in multiproject development environments. We test a number of priority rules for activity scheduling, activity preemption, and resource assignment subsequent to preemption, subject to the existence of the LFR cycle, for which a single type of knowledge worker resource is assigned among multiple projects. The results of the simulation experiments clearly demonstrate that LFR effects are significant. The tests of different scheduling, preemption, and resource reassignment rules show that the choice of rule is crucial in mitigating the completion time penalty effects of the LFR cycle, while maintaining high levels of resource utilization. Specifically, the worst performing rules tested for each performance measure are those that attempt to maintain high resource utilization. The best performing rules are based on activity criticality and resource learning.  相似文献   

13.
This paper presents a multi-objective model that can be used to help information systems (IS) managers decide which IS projects should be selected for development and implementation in a constrained resource environment. Developed to overcome the problems observed in currently used IS selection procedures, the model presented in this paper can be used to make decisions when IS selection goals are conflicting and measured in incommensurable units. To illustrate the use of this multi-objective approach to model IS project selection, a corporate resource allocation problem is developed and solved. Comparative results with currently used scoring and ranking methods reveals the superiority of the proposed multi-objective model.  相似文献   

14.
项目组合包含多项目且项目间存在相互作用和依赖关系,针对传统项目组合评价方法忽略了各项目间依赖关系的不足,本文采用复杂网络理论和PageRank算法,提出一种新的项目优先级排序方法(PPRM)。首先,本文建立研发项目多属性评价准则,分析了项目间的支配关系以及技术和经验在项目间的扩散关系。然后,以项目为节点、以支配和扩散关系为边,分别构建了项目支配和扩散网络,进一步,采用设计结构矩阵(DSM)和K-shell方法建立了基于支配网络的项目影响力模型,并建立了考虑项目之间多次扩散传播的综合扩散概率模型。综合项目节点影响力和扩散关系,本文构建了基于PageRank算法的研发项目优先级排序模型。最后,以某研发项目组合选择为例,验证了本文所建立的模型和算法可有效分析项目组合中的排序问题。  相似文献   

15.
In politics and business the special role of innovative businesses whose research and development activities expedite technological progress has received steady attention. Especially small and medium sized businesses (SMEs) have initiated promising innovation projects. However, when analysing these projects our research must take into account that SMEs cannot be viewed as a homogeneous business category. Moreover, financing their innovations, SMEs are subject to unique issues. To shed light on these problems, this study will develop an index measuring degrees of innovation. It allows the 171 sample companies to be categorised into three groups: non-innovative, moderately innovative or highly innovative. A multinomial logistic regression is used to examine the quality of this typology. In addition, group-specific differences in the financing mix are demonstrated. Finally, from a theoretical point of view, the implications of the pecking order theory are basically validated. On the other hand, the concept of the financial growth cycle does not deliver satisfactory results.  相似文献   

16.
公正合理的科研项目立项评估与选择是国家自然科学基金管理活动的关键环节。综合考虑科研项目的评估指标体系和选择流程,提出了利用历史评估准确性度量专家提供信息可靠性的方法,进而提出了一种系统性的基于证据推理规则的科学基金项目评估决策模型。该模型使用证据推理合成规则对多专家多指标评估信息进行集结。在集结过程中:充分考虑评估指标的权重以及评估等级的多样性;鉴于参与项目评估的专家具有不同的知识背景和经验,提出利用历史评估结果的准确性衡量专家提供的评价信息可靠性的方法;应用信度分布表征项目的整体评价结果,包含了更丰富的信息。国家自然科学基金项目评估的实例分析证明了该评估决策模型的有效性。  相似文献   

17.
We examine the drivers of project performance and customer satisfaction in outsourced software projects using a proprietary panel dataset. The data cover 822 customer observations related to 182 unique projects executed by an India‐based software services vendor. Adopting a multidisciplinary perspective, we investigate how project planning, team stability, and communication effectiveness impact project performance and customer satisfaction. We delineate the direct and interactive influences of the antecedent variables. We also examine how these influences are moderated by two important project contexts: (a) the nature of software work (maintenance and development vs. testing projects) and (b) project maturity (new vs. mature projects). Among other results, we demonstrate that, when project planning capabilities are high, the positive impact of team stability and communication effectiveness on project performance is even higher. In addition, our results suggest that the impact of communication on project performance is muted when team stability is high. Finally, we also demonstrate that the impact of the antecedent variables on project performance varies with the nature of software work. Our findings offer specific and actionable insights to managers that can help them manage outsourced projects better, and open up new research perspectives in the context of outsourced project management.  相似文献   

18.
There is increasing concern over deep uncertainty in the risk analysis field as probabilistic models of uncertainty cannot always be confidently determined or agreed upon for many of our most pressing contemporary risk challenges. This is particularly true in the climate change adaptation field, and has prompted the development of a number of frameworks aiming to characterize system vulnerabilities and identify robust alternatives. One such methodology is robust decision making (RDM), which uses simulation models to assess how strategies perform over many plausible conditions and then identifies and characterizes those where the strategy fails in a process termed scenario discovery. While many of the problems to which RDM has been applied are characterized by multiple objectives, research to date has provided little insight into how treatment of multiple criteria impacts the failure scenarios identified. In this research, we compare different methods for incorporating multiple objectives into the scenario discovery process to evaluate how they impact the resulting failure scenarios. We use the Lake Tana basin in Ethiopia as a case study, where climatic and environmental uncertainties could impact multiple planned water infrastructure projects, and find that failure scenarios may vary depending on the method used to aggregate multiple criteria. Common methods used to convert multiple attributes into a single utility score can obscure connections between failure scenarios and system performance, limiting the information provided to support decision making. Applying scenario discovery over each performance metric separately provides more nuanced information regarding the relative sensitivity of the objectives to different uncertain parameters, leading to clearer insights on measures that could be taken to improve system robustness and areas where additional research might prove useful.  相似文献   

19.
Barnett R Parker 《Omega》1985,13(4):313-330
The behavior and performance of an organization are intimately tied to the mode and effectiveness of its information processing function. While there is a rapidly expanding level of research concerned with the design, development, and implementation of management information systems (MIS), relatively few approaches to the evaluation and improvement of these systems have been suggested. The current paper develops a multiple goal methodology aimed at filling this gap by evaluating and, if necessary, subsequently modifying any given set of MIS design variables considered capable of enhancing a series of operational and, perhaps, conflicting goals. The methodology is based on a series of significant findings from the MIS design literature. In particular, the procedure incorporates the tripartite of decision type/decision-maker/MIS design into the evaluation process. The methodology is user-based, being flexible with respect to the definition of performance objectives, evaluation measures, design variables, and correction strategies. A brief example applies the methodology to the evaluation of an MIS within a health services organization.  相似文献   

20.
This empirical paper details a 12-month applied research project at a UK low-volume manufacturer of large vehicles. The industry problem from which this study originates was a concern over the subjective nature with which the firm’s existing lean intervention projects were being targeted (prioritised and selected). A structured literature review on this topic was unable to identify any objective decision support mechanism for doing so; one that encompassed financial as well as operational criteria. The resultant study was organised around an established seven-step action research framework. The main body of evidence was derived from extensive analysis of financial and operational data extracted from the firm’s enterprise resource planning system, along with two structured workshops that each involved multiple informants drawn from the firm’s production centres and its accountancy department. Supplementary primary research was provided in the guise of numerous unstructured interviews to validate data and from observation of shop floor practices. The main contribution of this article is identifying and addressing the gap highlighted above, by developing and testing a financially driven method for objectively targeting process improvement interventions within this large and geographically dispersed operation. This innovative method includes five new constituent techniques.  相似文献   

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