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3.直接消耗系数和完全消耗系数上述用总量指标来反映国民经济各部门、企业各部门或产品之间的技术经济联系,在应用上很感不便。产品之间除直接联系外,还存在多方面间接联系,这些间接联系也未能表达出来。求出单位产品消耗量才能进一步对经济活动进行分析,精确地进行计划综合平衡和经济预测,灵活地应用投入产出表。因此,引入直接消耗系数和完全消耗系数。直接消耗系数就是生产单位j种产品时消耗的i种产品的数量。它也是“单耗”,一般用a_(ij)来表示,计算公式为a_(ij)
3. Direct Consumption Coefficient and Total Consumption Coefficient The aforesaid total quantity index is used to reflect the technical and economic links among the various departments of the national economy and various departments or products of the national economy and is very inconvenient in application. In addition to direct contact between products, there are many indirect links, these indirect links also failed to express. Find out the consumption of unit products in order to further analyze the economic activity, accurately plan the overall balance and economic forecasts, flexible application of input-output tables. Therefore, the direct consumption coefficient and the full consumption coefficient are introduced. The direct consumption factor is the number of i products consumed when manufacturing j products. It is also “unit consumption”, generally expressed by a_ (ij), the calculation formula is a_ (ij)