Land Inequality, Farm Size, and Productivity: Insights From Peruvian Agriculture

IF 4 3区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY
Hernán Borrero
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Abstract

This paper investigates the analogous land inequality and farm size-productivity relationships, focusing on agricultural total factor productivity (TFP) rather than partial productivity measures. Using a panel of 268 Peruvian districts over a 5-year period (2015–2019), I implement a system generalized method of moments (GMM) estimation framework, which adapts to the presumed data-generating process and structure of the panel while tackling the critical issue of simultaneity bias. The regression output supports both relationships, with a 0.6% increase in agricultural TFP for every one-percentage point reduction of the land Gini coefficient or a one-hectare decrease in average farm size. Moreover, an assessment of the potential impact of land quality heterogeneity and measurement error reveals that neither issue appears to bias the results. Finally, the role of rural reform is discussed, emphasizing the need to weigh the moral considerations of equal opportunity to land of the land-poor against the legitimate property rights of the land-rich on a case-by-case basis.

土地不平等、农场规模和生产力:来自秘鲁农业的见解
本文研究了类似的土地不平等和农场规模-生产率关系,重点关注农业全要素生产率(TFP)而不是部分生产率指标。利用5年期间(2015-2019)的268个秘鲁地区的小组,我实施了一个系统广义矩量法(GMM)估计框架,该框架适应了小组假定的数据生成过程和结构,同时解决了同时性偏差的关键问题。回归结果支持这两种关系,即土地基尼系数每降低1个百分点或平均农场规模每减少1公顷,农业全要素生产率就会提高0.6%。此外,对土地质量异质性和测量误差的潜在影响的评估表明,这两个问题似乎都不会影响结果。最后,讨论了农村改革的作用,强调需要在个案基础上权衡土地贫乏者对土地平等机会的道德考虑与土地富裕者的合法财产权。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Agricultural Economics
Agricultural Economics 管理科学-农业经济与政策
CiteScore
7.30
自引率
4.90%
发文量
62
审稿时长
3 months
期刊介绍: Agricultural Economics aims to disseminate the most important research results and policy analyses in our discipline, from all regions of the world. Topical coverage ranges from consumption and nutrition to land use and the environment, at every scale of analysis from households to markets and the macro-economy. Applicable methodologies include econometric estimation and statistical hypothesis testing, optimization and simulation models, descriptive reviews and policy analyses. We particularly encourage submission of empirical work that can be replicated and tested by others.
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