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Australia's mining productivity decline: implications for MFP measurement

机译:澳大利亚的采矿生产率下降:对MFP计量的影响

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This paper investigates the mining sector's poor productivity performance as measured by the growth accounting formula for multifactor productivity (MFP) index during the recent mining boom in Australia. We provide an alternative measure of productivity growth by estimating a translog variable cost function, with parameters that separate productivity growth due to technical change from that due to the effects of returns to scale, capacity utilisation and natural resource inputs. The results show that the average MFP growth in Australian mining based on the dual cost-function measure of technical change is 2 % over the sample period 1974-1975 to 2007-2008, rather than -0.2 % from the published index. The difference arises because declining natural resource inputs, the effects of capacity utilisation and returns to scale have all reduced the 'true' MFP growth.
机译:本文调查了澳大利亚最近矿业繁荣期间通过多要素生产率(MFP)指数的增长核算公式测得的采矿业生产率低下的表现。通过估算超对数可变成本函数,我们提供了另一种衡量生产率增长的方法,其参数将技术变化带来的生产率增长与规模回报,产能利用率和自然资源投入的影响区分开来。结果表明,在1974-1975年至2007-2008年的抽样期内,基于双重成本函数技术变化衡量的澳大利亚采矿业的MFP平均增长率为2%,而不是已公布指数的-0.2%。之所以出现这种差异,是因为自然资源投入的减少,产能利用的影响和规模收益都降低了MFP的“真实”增长。

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