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The Effectiveness of Portfolio Risk Diversification: An Additive Approach by Project Replication 下载免费PDF全文
This article proposes a probabilistic approach to project operational risk and project portfolio risk diversification. The analysis rests on a fundamental distinction between a fractional and an additive approach for constructing portfolios. Since the additive approach excludes variance as a measure of risk, the project's operational risk is defined by its probability of loss. Paradoxically, the effectiveness of any firm's portfolio risk diversification process will be negatively related to the operational risk of its representative project. We also present the conditions under which risk management and efficiency management can contribute to the firm's strategic imperative of lowering its operational risk. 相似文献
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项目组织结构复杂性风险评估及其在协作型项目组合中的扩散机制研究 总被引:1,自引:0,他引:1
探讨项目复杂性与项目风险的关系并证明了项目的组织结构复杂性是项目的风险来源。以项目组织结构的复杂性作为项目内部风险的衡量标准,建立了基于组织结构复杂性并考虑规模因素的项目风险评估模型。分析了项目组合中通常存在的项目间的相互关系以及每一种相互关系对项目组合整体风险的影响。利用Logistic映射对协作型项目组合建立了项目组织结构复杂性风险的扩散模型,以定量刻画项目组织结构复杂性风险在项目组合中的扩散机制。最后对模型进行了仿真并根据仿真结果给出了降低项目组合风险的策略。 相似文献
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This study examines the relationships between corporate innovation culture (analysis/practices) and dimensions of project portfolio success (strategic fit/portfolio balance) as well as national‐level culture practices as moderators. Data (N = 165) were collected in four countries differing in cultural practices. Analysis and practices were identified as positive, significant, and complementary predictors of both dimensions. As hypothesized, the corporate variables related more strongly and positively to the success dimensions when assertiveness was high rather than low. The findings, thus, suggest that corporate factors should be compatible with national culture to elevate the fit and balance of project portfolios. 相似文献
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为应对施工企业面对多项目时资源受限、风险管理压力增大的现实情况,本文提出施工企业在企业战略的高度上采取项目组合管理,降低总风险并实现企业收益最大化。为有效推进施工企业项目组合的风险管理,选择ISM解释结构模型技术,建立风险管理指标体系。并且,本文根据各层次的风险要素,提供针对性的风险管理思路和方向,为进一步深入研究施工企业项目组合的风险管理系统性、科学性和有效性打下坚实基础。 相似文献
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本文首先对层次分析法(AHP)的原理进行了简单的介绍,并且构建出应用于水电站工程的计算模型矩阵。同时引入风险评价的概念,从水电站工程建设的目标入手探索其价值与功能间的关系。为了能够促进经济增长,提高公用安全,我国必须尽可能快的贯彻"风险"管理的理念,并且将其应用于整个水电站工程建设环节当中,并且完善工程管理体系,力求可以早日与国际接轨。 相似文献
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在竞争激烈的环境中,合理的进度、质量、工期不再是项目成功的最终决定因素。以客户为中心,实现客户满意,更有助于项目取得成功。 相似文献
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本文着重介绍了项目风险管理过程中项目风险识别与评估的方法与标准。针对某电动车项目进行了不同阶段的风险评估,上一阶段的风险评估结果为下一阶段提供决策支持,以项目阶段性风险评估结果推动业务开展和管理模式创新。 相似文献
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This article presents empirical results on different managers’ viewpoints regarding the sources and management of project portfolio uncertainty. As a key result, this study demonstrates the versatility of uncertainties experienced by managers, the limited degree of perceived control over them, the use of an almost complete management control package in managing uncertainties, and the necessity of managers’ cooperation in the skilled use of the management control package when managing uncertainties. In addition, a further research agenda is proposed. 相似文献
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本文根据我国目前建设监理"三控制、二管理、一协调"的管理过程,论述了风险管理过程和推行风险管理的必要性,以及风险管理在建设监理过程中的组织结构设置。 相似文献
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瞬息万变的社会经济和科技环境给日益增多的大型物流项目带来了很多的不确定因素,由此产生的项目风险大,失败率高的问题越来越多,文中结合现代项目管理理论对物流项目的风险管理进行了探索和浅析,对如何避免和化解物流项目风险,降低风险损失提出了建议。 相似文献
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The role of the executive sponsor in achieving project success is important, yet rarely addressed. Recent research identifies behaviors that constitute the role of the executive project sponsor and evaluates how such behavior affects project success during different project stages. This study answers two research questions: (1) Does the relative importance of executive sponsor behavior vary significantly at different project stages? And (2) Does the relative importance of project success dimensions vary significantly within and across the different stages of completion? Results provide knowledge that will help executive sponsors decide how to invest their limited time and resources. 相似文献
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桥梁工程施工作业技术复杂、安全风险比较高、安全事故发生率较高,是一项非常复杂的系统工作。HSE管理的核心是风险管理,它体现了源头治理、事故预防的系统风险控制思想。文章通过全面分析桥梁施工阶段潜在的HSE风险因素,并对其进行评价与分析,从而对桥梁施工HSE风险管理的过程进行了探讨。 相似文献
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