林业纯收入、林业生产成本收益率、林业资金利润率等经济指标,均不能单独作为全面评价林业企业的综合指标。实践证明:这些指标还有同其它经济效益相矛盾之处,在企业之间和一个企业前后期的比较也缺乏可比性。林业生产纯收入与其它经济效益就有矛盾,例如,采运生产的单位产品纯收入高,森林资源利用率反而低,再如,同是一 Economic indicators such as net income of forestry, return on cost of forestry production and profit margin of forestry funds can not be used alone as a comprehensive index for comprehensively evaluating forestry enterprises. Practice has proved that these indexes have contradictions with other economic benefits, and there is a lack of comparability between enterprises and before and after a company. For example, the net income per unit of product collected and transported is high, but the utilization rate of forest resources is rather low. For another example, the same is true