Treatment Effect Heterogeneity of Farmers Participating in Cooperatives

Drini Imami, Orjon Xhoxhi, Davit Babayan, Thomas Herzfeld and Rustam Rakhmetov

EconStor Open Access Articles and Book Chapters, 2025, vol. 77, issue 1, 94-106

Abstract: Despite the many studies providing evidence of the benefits of cooperatives, most small farms and farm households, particularly in transition economies, do not participate in them. This study analyses the effect of cooperative activity on farm performance using a large‐scale farm survey conducted in Armenia. In addition, it addresses the issue of heterogeneity, which is often overlooked in the literature. It looks at heterogeneity in terms of observed effect modifiers, which are measured covariates that can modify the causal effect of cooperation on a specific farm performance indicator. This is the first study that pays special attention to heterogeneity and uses the causal forest approach in the context of cooperative membership to characterise the drivers of treatment heterogeneity (i.e., variation in the causal impact of cooperative membership across farmers with different observable characteristics). Participation in cooperatives is associated with greater perceived farm performance among farmers with limited access to market information and low financial literacy. Similarly, higher benefits are observed for less experienced and older farmers, suggesting that cooperatives play a particularly important role in supporting more vulnerable subgroups.

Keywords: Armenia; causal forest; cooperative; dairy production; farm characteristics heterogeneity; impact assessment (search for similar items in EconPapers)
Date: 2025
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https://www.econstor.eu/bitstream/10419/335662/1/JAGE_JAGE70009.pdf (application/pdf)

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Journal Article: Treatment Effect Heterogeneity of Farmers Participating in Cooperatives (2026)
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:espost:335662

DOI: 10.1111/1477-9552.70009

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