文章基本信息

标题：Productivity and farm size in Australian agriculture: reinvestigating the returns to scale
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作者：Sheng, Yu ; Zhao, Shiji ; Nossal, Katarina 等
期刊名称：Journal of Agribusiness
印刷版ISSN：0738-8950
出版年度：2011
期号：Suppl
出版社：Journal of Agribusiness
摘要：Higher productivity among large farms is often assumed to be a result of increasing returns to scale. However, using farm-level data for the Australian broadacre industry, it was found that constant or mildly decreasing returns to scale is more typical. On examining the monotonic change in marginal input returns as farm operating size increases, it was found that large farms achieve higher productivity through changes in production technology rather than through changes in scale. The results highlight the disparity between ‘returns to scale’ and ‘returns to size’ in Australian agriculture. They also suggest that improving productivity in smaller farms would depend more on their ability to access advanced technologies than their ability to simply expand. The implications for ongoing structural adjustment in Australian agriculture are discussed.
关键词：returns to scale;returns to size;production function;technology progress;structural adjustment;Australian agriculture