?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Fudenberg&rft.aufirst=Drew&rft.issue=4&rft.volume=31&rft.date=2000&rft.atitle=Customer+Poaching+and+Brand+Switching&rft.title=RAND+Journal+of+Economics&rft.pages=634-657&rft.genre=article