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英文文献：Disaggregate Productivity Growth in Livestock Production: A Directional Malmquist Index Approach
英文文献作者：Ludena, Carlos E.,Hertel, Thomas W.,Preckel, Paul V.,Foster, Kenneth A.,Nin Pratt, Alejandro
英文文献摘要：
Limited data on the allocation of inputs to different activities has limited agricultural economists' attempts to measure sub-sector productivity growth in agriculture. However, recent developments have enabled us to estimate total factor productivity (TFP) growth for crops and livestock accounting for input-output allocation. This paper extends previous work on TFP measurement for livestock into ruminants and non-ruminant productivity measurement, given the differences in productivity growth rates among these species. The results show that the non-ruminant sector is more dynamic than the ruminant sector, driving most of the productivity growth within the livestock sector. Given the rapid rates of productivity growth observed recently, non-ruminant productivity in developing countries may soon be converging to the productivity levels of developed countries.
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