In 2010, Oxera Non-executive Director, Mike Toms, wrote a series of Agenda articles setting out principles for best practice for regulated companies in price reviews, based on his long experience and observations as a regulation executive. Since then, he believes that companies have become better organised and regulators more sophisticated. New issues have arisen, and excellent examples of best practice have emerged—but also new mistakes. He now asks: how should these guiding principles be revised and expanded?
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