?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpublications.ut-capitole.fr%2Fid%2Feprint%2F1734%2F&rft.title=Competition+under+Nonlinear+Pricing&rft.creator=Ivaldi%2C+Marc&rft.creator=Martimort%2C+David&rft.subject=B-+ECONOMIE+ET+FINANCE&rft.publisher=IDEI+Working+Paper&rft.date=1993&rft.type=Monograph&rft.type=NonPeerReviewed&rft.identifier=++Ivaldi%2C+Marc+%3Chttps%3A%2F%2Fwww.idref.fr%2F058494375%3E+and+Martimort%2C+David+%3Chttps%3A%2F%2Fwww.idref.fr%2F070009635%3E++(1993)+Competition+under+Nonlinear+Pricing.++IDEI+Working+Paper%2C+n.+29+++++&rft.relation=http%3A%2F%2Ftse-fr.eu%2Fpub%2F4555&rft.language=en