施工项目管理中量本利分析模型及应用（之三）因素变动分析模型及应用□黄有亮杜训在施工项目决策过程中，经常需要考虑价格、变动成本和固定成本等因素的变化，例如，为了中标适当降低投标价等。对于决策者来说，就需要了解这些因素的变动对项目的经济效益的影响结果。本文主 Construction project management medium-volume interest analysis model and application (3) Factor change analysis model and application □ Huang Youliang Du Xun In the decision-making process of a construction project, it is often necessary to consider changes in factors such as price, variable cost, and fixed cost, for example, Winning tenders, etc., are appropriately reduced. For decision makers, it is necessary to understand the effect of the changes in these factors on the economic benefits of the project. The main article