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Developing a procurement path determination chart SEM-based approach

机译：制定基于SEM的采购路径确定图

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摘要

The choice of an appropriate procurement system is crucial to construction project success. Procurement selection is largely based on path determination charts, with at least eight key criteria needing to be weighted by decision-makers. Including certain criteria whilst ignoring client-borne transaction costs (TCs) resulting from environmental uncertainties simplifies this process. TCs are 'unseen' costs associated with pre- and post-contract work. The effects of uncertainties in the transaction environment and procurement systems on TCs are investigated, comparing the traditional and design-build procurement systems. A cross-sectional sample approach was deployed, involving survey questionnaire and results verification through 'real-world' cases. Data was sought from construction professionals in management, design and operation of construction projects. The research participants evaluate their time spent on procurement activities using a five-point likert scale. Hypotheses of the relations between environmental uncertainties, procurement systems, and pre- and post-contract TCs are tested using a structural equation modelling (SEM) approach. The study found that TCs account for about 46.75% and 42.88% of the daily time spent by project managers in traditional and design-build procurement systems in New Zealand respectively. The study concludes that the TC concept is a useful framework for determining objective instead of subjective opinions for procurement decisions.
机译：选择合适的采购系统对于建设项目的成功至关重要。采购选择主要基于路径确定图，决策者必须权衡至少八个关键标准。在不考虑环境不确定性导致的客户承担的交易成本（TC）的情况下，纳入某些标准将简化此过程。 TC是与合同前和合同后工作相关的“看不见的”成本。通过比较传统采购系统和设计采购系统，研究了交易环境和采购系统中不确定性对TC的影响。部署了横断面样本方法，涉及调查问卷和通过“实际”案例进行的结果验证。在建设项目的管理，设计和运营中，从建筑专业人士那里寻求数据。研究参与者使用五点李克特量表评估他们在采购活动上花费的时间。使用结构方程模型（SEM）方法测试环境不确定性，采购系统以及合同前和合同后TC之间关系的假设。研究发现，在传统的和设计建造的采购系统中，TC分别占项目经理每天花费的时间的46.75％和42.88％。研究得出结论，技术合作概念是确定采购决策的客观而非主观意见的有用框架。

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  • 来源
    《Construction Management and Economics》 |2015年第12期|921-941|共21页
  • 作者

    MOHAMMED A. RAJEH; JOHN E. TOOKEY; JAMES OLABODE BAMIDELE ROTIMI;

  • 作者单位

    School of Engineering, Department of Built Environment Engineering, AUT University, WS Building, Level 3, 34 St Paul Street, Private Bag 92006, Auckland, New Zealand;

    School of Engineering, Department of Built Environment Engineering, AUT University, WS Building, Level 3, 34 St Paul Street, Private Bag 92006, Auckland, New Zealand;

    School of Engineering, Department of Built Environment Engineering, AUT University, WS Building, Level 3, 34 St Paul Street, Private Bag 92006, Auckland, New Zealand;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Procurement path determination chart; SEM technique; transaction costs;

    机译：采购路径确定图;扫描电镜技术交易成本;

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