Journal Article Pricing behaviour under competition in the UK electricity supply industry Get access Monica Giulietti, Monica Giulietti * Nottingham University Business School Search for other works by this author on: Oxford Academic Google Scholar Jesus Otero, Jesus Otero † Facultad de Economía, Universidad del Rosario, Bogota, Colombia Search for other works by this author on: Oxford Academic Google Scholar Michael Waterson Michael Waterson ‡ Department of Economics, University of Warwick, Coventry CV4 7AL; e-mail: michael.waterson@warwick.ac.uk Search for other works by this author on: Oxford Academic Google Scholar Oxford Economic Papers, Volume 62, Issue 3, July 2010, Pages 478–503, https://doi.org/10.1093/oep/gpp029 Published: 02 September 2009