In June 2020, the Competition and Markets Authority (CMA) fined the musical instrument firm Roland just over £4 million (US$5.6 million) for restricting online discounting of its electronic drum kits between 2011 and 2018. This was one of several fines imposed by the CMA on leading musical instrument suppliers for requiring retailers to sell their products online at or above a minimum price, a practice known as “resale price maintenance” (RPM).
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