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Too small to be beautiful? The farm size and productivity relationship in Bangladesh

机译：太小，不能美丽？ 孟加拉国的农场规模和生产力关系

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This paper examines the agricultural productivity-farm size relationship in the context of Bangladesh. Features of Bangladesh's agriculture help overcome several limitations in testing the inverse farm-size productivity relationship in other developing country settings. A Stochastic Production Frontier (SPF) model is applied using data from three rounds of a household panel survey to simultaneously estimate the production frontier and the technical inefficiency functions. The 'correlated random effects' approach is used to control for unobserved heterogeneous household effects. Methodologically, the results suggest that SPF models that ignore the inefficiency function are likely mis-specified, and may result in misleading conclusions on the farm size-productivity relationship. Empirically, the findings confirm that the farm size and productivity relationship is negative, but with the inverse relationship diminishing over time. Total factor productivity growth, driven by technical change, is found to have been robust across the sample. Across farm size groups, the relatively larger farmers experienced faster technical change, which helped them to catch up and narrow the productivity gap with the smaller farmers.
机译：本文介绍了孟加拉国背景下的农业生产力 - 农场规模关系。孟加拉国农业的特点有助于克服在其他发展中国家环境中测试逆农场大小生产力关系的几个限制。使用来自三轮家庭面板调查的数据应用随机生产前沿（SPF）模型，同时估计生产前沿和技术效率效率。 “相关随机效应”方法用于控制不观察到的异构家庭疗效。方法论上讲，结果表明，忽略低效率函数的SPF模型可能会误解，可能导致对农场大小 - 生产力关系的误导性结论。经验上，调查结果证实，农场规模和生产力关系是负的，但随着时间的推移，逆关系递减。通过技术变化驱动的总因素生产率增长，发现在样本中具有稳健。跨越农场规模群体，相对较大的农民经历了更快的技术变化，这有助于他们赶上和缩小较小的农民的生产力差距。

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