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针对工程总承包中总承包商和分包商之间的双边道德风险问题,把公平偏好引入委托代理模型,研究总承包商对分包商的激励机制,分析公平偏好的影响效应.研究发现:公平偏好是决定产出分享系数和固定价格的重要因素,并会改变风险规避、努力贡献等对产出分享系数和努力水平等的影响,而风险规避和努力贡献也会改变公平偏好对产出共享系数和努力水平等的影响,三者之间具有交互影响效应.因此,总承包商应该充分考虑分包商的风险规避、公平偏好和努力贡献等三种属性,忽略其中任何一种因素都是不合理的.
Aiming at the problem of bilateral moral hazard between general contractors and subcontractors in engineering general contracting, fairness preferences are introduced into the principal-agent model to study the general contractor’s incentive mechanism to subcontractors and to analyze the effect of fairness preferences.The study finds that: Fairness preference is an important factor that determines the output sharing coefficient and fixed price, and will change the impact of risk aversion, hard contribution and other factors on the output sharing coefficient and effort level, while the risk aversion and hard work contribution will change the fair preference to the output Sharing coefficient and effort level and so on, so the general contractor should take full account of the sub-contractor’s risk aversion, fairness preferences and hard work contribution of three attributes, ignoring either of them Is unreasonable.