摘要：Budget is one of main pillars of project management and meeting its target is a priority for project managers. This paper reviews the budget performance in those projects around the world. It is found that cost overrun has occurred in more than 60 % of projects in majority of the developing countries. “Design Changes†found to be common among different countries in different continents as a top cost overrun factor. Moreover, the industry type of a project sometimes dictates the highest ranked factors causing an excess in budget. In addition, it is concluded that there is a real necessity to conduct more studies in budget performance in oil and gas projects.
