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全要素生产率(Total Factor Productivity,简称T.F.P)是西方国家通用的宏观经济效率指标。TFP的基本算式是A=Q/K~(W1) L~(W2),就是柯布——道格拉斯生产函数的表达方法。该式可以计算某一时期的技术水平,并由此计算技术进步对新增产值的贡献,但不能直接算出技术进步对产值增长的贡献。美国经济学家索洛推导出增长速度方程式,借以揭示经济增长过程中技术进步所引起的作用:A’=Q’-K~(W1)-L’~(W2)。即效益系数增长率=经济增长率-(资
Total Factor Productivity (T.F.P) is a common indicator of macroeconomic efficiency in Western countries. The basic formula of TFP is A = Q / K ~ (W1) L ~ (W2), which is the expression of Cobb-Douglas production function. The formula can calculate the technical level of a period, and thus calculate the contribution of technological progress to the newly added output value, but can not directly calculate the contribution of technological progress to the growth of output value. US economist Solow deduced the growth rate equation, in order to reveal the role of technological progress in economic growth caused by: A ’= Q’-K ~ (W1) -L’ ~ (W2). That the coefficient of profit growth rate = economic growth rate - (capital