C. Aspremont, L. Gérard, and . Varet, Incentives and incomplete information, Journal of Public Economics, vol.11, issue.1, pp.25-46, 1979.
DOI : 10.1016/0047-2727(79)90043-4

M. Aoyagi, Bid rotation and collusion in repeated auctions, Journal of Economic Theory, vol.112, issue.1, pp.79-105, 2002.
DOI : 10.1016/S0022-0531(03)00071-1

M. Aoyagi, E%cient Collusion in Repeated Auctions with Communication Mimeo, 2003.

S. Athey and K. Bagwell, Optimal Collusion with Private Information, The RAND Journal of Economics, vol.32, issue.3, pp.428-465, 2001.
DOI : 10.2307/2696363

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

L. H. Baldwin, R. C. Marshall, and J. Richard, Bidder Collusion at Forest Service Timber Sales, Journal of Political Economy, vol.105, issue.4, pp.657-699, 1997.
DOI : 10.1086/262089

A. Blume and P. Heidhues, Modeling tacit collusion in repeated auctions Mimeo, 2002.

W. S. Comanor and M. A. Schankerman, Identical Bids and Cartel Behavior, The Bell Journal of Economics, vol.7, issue.1, pp.281-286, 1976.
DOI : 10.2307/3003203

URL : http://ir.lib.uwo.ca/cgi/viewcontent.cgi?article=1268&context=economicsresrpt

P. W. Cook and . Jr, Fact and Fancy on Identical Bids, Harvard Business Review, vol.41, pp.67-72, 1963.

P. C. Cramton and T. R. Palfrey, Cartel Enforcement with Uncertainty about Costs, International Economic Review, vol.31, issue.1, pp.17-48, 1990.
DOI : 10.2307/2526626

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

D. Fudenberg, D. Levine, and E. Maskin, The Folk Theorem with Imperfect Public Information, Econometrica, vol.62, issue.5, pp.997-1039, 1994.
DOI : 10.2307/2951505

D. A. Graham and R. C. Marshall, Collusive Bidder Behavior at Single-Object Second-Price and English Auctions, Journal of Political Economy, vol.95, issue.6, pp.1217-1239, 1987.
DOI : 10.1086/261512

G. A. Hay and D. Kelley, An Empirical Survey of Price Fixing Conspiracies, The Journal of Law and Economics, vol.17, issue.1, pp.13-38, 1974.
DOI : 10.1086/466782

R. P. Mcafee and J. Mcmillan, Auctions and Bidding, Journal of Economic Literature, vol.25, pp.699-738, 1987.

R. C. Marshall and M. J. Meurer, Collusion and Antitrust Law, Antitrust Law Journal, vol.72, issue.1, pp.83-118, 2004.

P. R. Milgrom and R. J. Weber, A Theory of Auctions and Competitive Bidding, Econometrica, vol.50, issue.5, pp.1089-1122, 1982.
DOI : 10.2307/1911865

E. Maskin and J. Riley, Optimal Auctions with Risk Averse Buyers, Econometrica, vol.52, issue.6, pp.1473-1518, 1984.
DOI : 10.2307/1913516

V. A. Mund, Identical Bid Prices, Journal of Political Economy, vol.68, issue.2, pp.150-169, 1960.
DOI : 10.1086/258292

M. Mussa and S. Rosen, Monopoly and product quality, Journal of Economic Theory, vol.18, issue.2, pp.301-317, 1978.
DOI : 10.1016/0022-0531(78)90085-6

R. B. Myerson, Optimal Auction Design, Mathematics of Operations Research, vol.6, issue.1, pp.619-632, 1981.
DOI : 10.1287/moor.6.1.58

M. Pesendorfer, A Study of Collusion in First-Price Auctions, Review of Economic Studies, vol.67, issue.3, pp.381-411, 2000.
DOI : 10.1111/1467-937X.00136

O. R. Phillips, D. J. Menkhaus, and K. T. Coatney, Collusive Practices in Repeated English Auctions: Experimental Evidence on Bidding Rings, American Economic Review, vol.93, issue.3, pp.965-979, 2003.
DOI : 10.1257/000282803322157205

R. H. Porter and J. D. Zona, Ohio School Milk Markets: An Analysis of Bidding, The RAND Journal of Economics, vol.30, issue.2, pp.263-288, 1999.
DOI : 10.2307/2556080

A. Skrzypacz and H. Hopenhayn, Tacit collusion in repeated auctions, Journal of Economic Theory, vol.114, issue.1, pp.153-169, 2004.
DOI : 10.1016/S0022-0531(03)00128-5

G. Stigler, A Theory of Oligopoly, Journal of Political Economy, vol.72, issue.1, pp.44-61, 1964.
DOI : 10.1086/258853