从煤炭典型单位工程的四算管理谈工程造价管理的改革（上）煤科总院经济所缪国良，葛向军编者按：为了研究分析煤炭基建四算（概、预、结、决算）管理、定额使用存在的问题和不足之处，测算造成四算变化的各因素对投资增长的影响，以进一步搞好工程造价管理及适应市场经济... Talking about the Reform of Project Cost Management from the Four-count Management of the Typical Coal Unit Project (Part I) Editor’s Note by Guo Guoliang and Ge Xiangjun, the Economic Research Institute of the Coal Science Institute: For the purpose of researching and analyzing the management of coal infrastructure (calculation, forecasting, settlement, and final accounts) management and quota Using the existing problems and deficiencies, measure the impact of various factors that cause changes in the four investments on investment growth, in order to further improve project cost management and adapt to the market economy...