G2TT
来源类型Discussion paper
规范类型论文
来源IDDP13433
DP13433 Heterogeneity, Measurement Error, and Misallocation: Evidence from African Agriculture
Douglas Gollin; Christopher Udry
发表日期2019-01-07
出版年2019
语种英语
摘要Standard measures of productivity display enormous dispersion across farms in Africa. Crop yields and input intensities appear to vary greatly, seemingly in conflict with a model of efficient allocation across farms. In this paper, we present a theoretical framework for distinguishing between measurement error, unobserved heterogeneity, and potential misallocation. Using rich panel data from farms in Tanzania and Uganda, we estimate our model using a flexible specification in which we allow for several kinds of measurement error and heterogeneity. We find that measurement error and heterogeneity together account for a large fraction - as much as ninety percent -- of the dispersion in measured productivity. In contrast to some previous estimates, we suggest that the potential for efficiency gains through reallocation of land across farms and farmers may be relatively modest.
主题Development Economics ; Macroeconomics and Growth
关键词Agricultural productivity Misallocation Productivity measurement Firm productivity dispersion Agricultural development Agricultural production function estimation
URLhttps://cepr.org/publications/dp13433
来源智库Centre for Economic Policy Research (United Kingdom)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/542248
推荐引用方式
GB/T 7714
Douglas Gollin,Christopher Udry. DP13433 Heterogeneity, Measurement Error, and Misallocation: Evidence from African Agriculture. 2019.
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