A comment on: ‘‘Revisiting dynamic duopoly with consumer switching costs’’ Eric T. Anderson, Nanda Kumar, and Surendra Rajiv Kellogg School of Management, Northwestern University, 2001 Sheridan Road, Evanston, IL 60208, USA School of Management, University of Texas at Dallas, P.O. Box 830688, Richardson, TX 75083-0688, USA NUS Business School, National University of Singapore, BIZ 1, #04-20, 1 ...