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EDITORIAL : CONSUMER WELFARE - SURPLUS - INFORMATIONS - COMPETITION AUTHORITIES

Should we save consumer welfare?

In the Economic Literature, consumer welfare and surplus are different concepts whose sometimes confusing interpretation in the competition law debate may lead to inappropriate demands. Once the ambiguity is removed, the surplus test, although it can be improved and fed by additional analyses, remains, in a situation of asymmetric information, the most robust tool to guide the action of competition authorities.

De part et d’autre de l’océan Atlantique, le droit de la concurrence fait l’objet de multiples critiques qui nourrissent la recherche académique et les publications de spécialistes (J. Mathis, W. Sand-Zantman, Welfare Standards in Competition Policy, Institut d’économie industrielle, Working paper, 2015 ; P. Nihould, N. Charbit, E. Ramundo (dir.), Choice: A New Standard for Competition Law Analysis?, Concurrences, 2016 ; F. Jenny, J. Philippe, Populisme et concurrence, Concurrences no 3-2018), comme les tirs croisés des acteurs politiques (v. not. l’utilisation du droit de la concurrence faite par le président Trump (https://www.theverge.com/2018/9/22/17890480/president-donald-trump-draft-executive-order-targets-social-media-companies-anti-trust-violations) ou les revendications portées par la

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Erwan Le Noan, Charles Bertin, Should we save consumer welfare?, February 2019, Concurrences Review N° 1-2019, Art. N° 88867, pp. 2-5

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