Cornerstone Research (London)

Maria Maher

Cornerstone Research (London)

Maria Maher is a competition economist with more than twenty years of international experience. She consults on complex issues related to abuse of dominance, cartels, mergers, market investigations, contracts, and damages. Dr. Maher previously served as a senior economist for the Organisation for Economic Co-operation and Development (OECD), leading research on competition, network industry regulation, international investment, sustainable development, and corporate governance. She spent her early career in faculty positions at Birkbeck College and the University of Cambridge, where she was also a fellow and director of studies in economics at Christ’s College.

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Cornerstone Research (Washington)


Maria Maher (Cornerstone Research)
Maria Maher 20 septembre 2018 Brussels


2132 Bulletin

Maria Maher, Lorenzo Vasselli Discrimination and Rebates : An overview of EU and national case law


Rebates are a common commercial practice in business and can have efficiency enhancing effects, leading to lower overall prices for customers and consumers. In addition, they might be used to stimulate downstream competition. However, rebates also have the potential to exclude rivals from a market, particularly when used by a dominant undertaking. For instance, a dominant firm’s use of loyalty rebates or exclusivity can, in some cases, harm consumers by reducing the ability of rivals to compete effectively. Rebates therefore have been scrutinized by competition authorities around the world for their potential to prevent, restrict or distort competition.

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