1、字数：英文字数：英文 64276427 单词，单词，36313631 字符；中文字符；中文 2040920409 汉字汉字 出处：出处：OrtizOrtiz- -GonzGonz lez J I, Pellicer E, Molenaar K R. Management of time lez J I, Pellicer E, Molenaar K R. Management of time and cost contingencies in construction projects: a contractor and cost contingencies in construction p
2、rojects: a contractor perspectiveJ. Journal of Civil Engineering and Management, perspectiveJ. Journal of Civil Engineering and Management, 2018,24(3):2542018,24(3):254- -264.264. 外文文献：外文文献： Management of time and cost contingencies in construction projects: a contractor perspective Abstract The man
3、agement of threats and opportunities plays a key-role in enhancing project performance. However, there is a gap in literature concerning how general contractors manage threats and opportunities in construction projects, in particular in the use of time and cost contingencies. This research partially
4、 addresses this gap through a case study of two large Spanish construction companies. The research presented two key factors determining how the contractors analyzed manage time and cost contingencies: project objectives and existing mistrust among the contractors team members. The research also found that managers use time and cost contingencies not only to manage threats, but also as tools for managing opportunities, thereby providing insight into a previously undescri
