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The principle of inconsistent trinity in the selection of procurement systems

机译:采购系统选择中三位一体的原则

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This paper examines the economic characteristics of construction procurement systems partially in terms of transaction cost economics and partly those of project management. It proposes the theoretical principle of an inconsistent trinity, according to which, in selecting a procurement system, the client will inevitably face a tradeoff between the procurement system best able to deliver: (1) fastest completion of the project (and therefore higher discounted present value of revenue from the project); (2) least vulnerability when making changes (lower transaction hold-up costs arising from temporal or process specificity); as well as (3) least vulnerability to non-performance (lower transaction measurement costs from greater visibility to third parties for ordering of disputes). The model provides a potentially testable contribution to a transaction cost theory of construction procurement. It also has two implications: (1) the three main family types of procurement systems are held to be intrinsically different in economic terms, so selection of procurement system does matter; (2) no system can enjoy absolute advantage over others, so the proposed strategy of procurement system selection is to align the characteristics of procurement systems with attributes of projects.
机译:本文从交易成本经济学的角度,部分从项目管理的角度,研究了建筑采购系统的经济特征。它提出了不一致的三位一体的理论原理,根据该原理,在选择采购系统时,客户将不可避免地面临最有能力交付的采购系统之间的权衡:(1)项目最快完成(因此折扣率更高)项目收入的价值); (2)进行更改时的脆弱性最小(由于时间或流程的特殊性而导致的交易保留成本降低); (3)最小的不履约风险(较低的交易计量成本,因为可以更好地了解第三方以解决纠纷)。该模型为建筑采购的交易成本理论提供了可检验的贡献。它还有两个含义:(1)三种主要的采购系统类型在经济方面被认为本质上是不同的,因此采购系统的选择确实很重要; (2)没有一个系统可以享有绝对优势,因此,采购系统选择的策略是使采购系统的特征与项目的属性保持一致。

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