在计划经济体制下,经国家有关部门审定的工程概算就是工程的计划投资额;工程竣工后,由国家组织有关部门根据审定的工程概算以及在建设过程中的设计变更、工程变更的情况对工程进行验收,决算确定的投资额就是实际总投资。随着社会主义市场经济体制建立;投资体制的改革,项目法人负责制的实行,使得投资控制管理的外部环境和内部机制都发生了变化,对投资额的计算也产生了相应的影 Under the planned economic system, the project budget approved by the relevant state departments is the planned investment amount of the project. After the project is completed, the relevant departments of the State Organization shall, in accordance with the approved project budget estimates and the design changes during the construction process and the project changes, Acceptance, finalized investment is the actual total investment. With the establishment of the socialist market economic system, the reform of the investment system and the implementation of the project legal person responsibility system, the external environment and internal mechanisms of investment control and management have undergone changes, and the calculation of the investment amount has also produced a corresponding impact