?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Boyer&rft.aufirst=Marcel&rft.issue=2&rft.volume=47&rft.date=September+2015&rft.issn=0889-938X&rft.atitle=How+Much+Do+Cartels+Overcharge%3F&rft.title=Review+of+Industrial+Organization&rft.pages=119-153&rft.genre=article