The economic efficiency of a phenomenon (or process) is an economic category reflects the level of use of resources (human resources, financial resources, manpower, capital money) to achieve the goals identified. From this essential concept, might formed the formula represented essential economic efficiency category as follows
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)