Budget revenue evaluation is an important issue in planing economic policies, especially in making profit by financial investment. It is dealt with this paper, a method of rating turnover efficiency using the methodology of rough set-a technique for data mining, and information entropy- a measurement of the average amount of information contained in an information system. The proposed method, firstly reduces superfluous data sources, and then extracts important decision rules from data set. By using this method, organizations of economic management and corporations management can evaluate of economic policies, business strategies and determine what revenue sources are efficient and need be invested. Through testing of collected dataset, it is shown that the proposed method is feasible and need be developed in practice.
