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Randomised Controlled Trials for the Evaluation of the CAP: Empirical Evidence about Acceptance by Farmers

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  • Morawetz, Ulrich B.
  • Tribl, Christoph

Abstract

To conduct a randomised controlled trial (RCT) to evaluate the Common Agricultural Policy it would be necessary to exclude a random selection of farms from participation. This exclusion might limit the acceptance of RCTs. We assess the acceptance of an innovative alternative RCT called the ‘unconditional payment RCT’ (upRCT). UpRCTs allow for the evaluation of the impact of policy measures in which farmers receive a payment conditional on the adoption of farm management practices (e.g., agri-environment-climate measures). We surveyed Austrian farmers who participated in the ‘refrain from silage’ measure to compare the acceptance of a conventional RCT and an upRCT using thought experiments. The acceptance of the farmers was between 18% and 51%, and the treatment effects of both variants were of comparable size. Our survey suggests that acceptance of the up-RCT is about twice as high as the acceptance of the conventional RCT. We discuss that upRCTs are useful when a new measure is introduced or when the up-RCT is conducted for several years.

Suggested Citation

  • Morawetz, Ulrich B. & Tribl, Christoph, 2020. "Randomised Controlled Trials for the Evaluation of the CAP: Empirical Evidence about Acceptance by Farmers," German Journal of Agricultural Economics, Humboldt-Universitaet zu Berlin, Department for Agricultural Economics, vol. 69(3), July.
    • Handle: RePEc:ags:gjagec:334282
    DOI: 10.22004/ag.econ.334282
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    References listed on IDEAS

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    1. Luc Behaghel & Karen Macours & Julie Subervie, 2019. "How can randomised controlled trials help improve the design of the common agricultural policy?," European Review of Agricultural Economics, Oxford University Press and the European Agricultural and Applied Economics Publications Foundation, vol. 46(3), pages 473-493.
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    1. Julia Höhler & Jesús Barreiro‐Hurlé & Mikołaj Czajkowski & François J. Dessart & Paul J. Ferraro & Tongzhe Li & Kent D. Messer & Leah Palm‐Forster & Mette Termansen & Fabian Thomas & Katarzyna Zagórsk, 2024. "Perspectives on stakeholder participation in the design of economic experiments for agricultural policymaking: Pros, cons, and twelve recommendations for researchers," Applied Economic Perspectives and Policy, John Wiley & Sons, vol. 46(1), pages 338-359, March.
    2. Marianne Lefebvre & Jesus Barreiro‐Hurlé & Ciaran Blanchflower & Liesbeth Colen & Laure Kuhfuss & Jens Rommel & Tanja Šumrada & Fabian Thomas & Sophie Thoyer, 2021. "Can Economic Experiments Contribute to a More Effective CAP?," EuroChoices, The Agricultural Economics Society, vol. 20(3), pages 42-49, December.

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