@misc{Sanner2007,
  author    = {Helge Sanner},
  title     = {Price responses to market entry with and without endogenous product choice},
  institution = {Wirtschaftswissenschaften},
  series    = {Volkswirtschaftliche Diskussionsbeitr{\"a}ge},
  number    = {81},
  type      = {workingpaper},
  year        = {2007},
}