The number of agricultural cooperatives increased quickly in Ethiopia since the 1990s. While many papers studied the impact of membership of Ethiopian cooperatives, not much is known on their performance. This study takes a cooperative-level perspective which is unique in an African context. It compares the economic performance proxied by sales revenue and profit of a wide range of agricultural cooperatives in northern Ethiopia. Data were collected from 511 agricultural cooperatives in 12 districts of Tigray. The contributing factors of the performance are analyzed with Ordinary Least Squares regression (OLS) and Heckman selection models. Our results underscore the importance of membership size, total assets, presence of conflict among members, and union membership. Chairperson characteristics and the internal organization of a cooperative seem to be less correlated to performance.

中文翻译：

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探索合作社之间的差异：埃塞俄比亚北部农业合作社的经济表现

自1990年代以来，埃塞俄比亚的农业合作社数量迅速增加。尽管许多论文研究了埃塞俄比亚合作社成员资格的影响，但对其绩效知之甚少。这项研究采用了合作级别的观点，这在非洲背景下是独一无二的。它比较了埃塞俄比亚北部各农业合作社的销售收入和利润所代表的经济表现。数据来自提格雷12个地区的511个农业合作社。使用普通最小二乘回归（OLS）和Heckman选择模型分析了影响性能的因素。我们的结果强调了会员人数，总资产，会员之间存在冲突以及工会会员资格的重要性。