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How to Win Twice at an Auction: On the Incidence of Commissions in Auction Markets


Victor A. Ginsburgh


Catholic University of Louvain (UCL) - Center for Operations Research and Econometrics (CORE); Université Libre de Bruxelles (ULB) - European Center for Advanced Research in Economics and Statistics (ECARES)

Patrick Legros


Université Libre de Bruxelles (ULB) - European Center for Advanced Research in Economics and Statistics (ECARES); Centre for Economic Policy Research (CEPR)

Nicolas Sahuguet


HEC Montreal - Institute of Applied Economics

January 2005

CEPR Discussion Paper No. 4876

Abstract:     
We analyze the welfare consequences of an increase in the commissions charged by intermediaries in auction markets. We argue that while commissions are similar to taxes imposed on buyers and sellers, the question of incidence deserves a new treatment in auction markets. We show that an increase in commissions makes sellers worse off, but buyers may strictly gain. The results are therefore strikingly different from the standard result that all consumers weakly lose after a tax or a commission increase. Our results are useful for evaluating compensation in price fixing conspiracies; in particular they suggest that the method used to distribute compensations in the class action against auction houses Christie's and Sotheby's was misguided.

Number of Pages in PDF File: 30

Keywords: Auctions, intermediation, commissions, welfare

JEL Classification: D44, L12, L40

working papers series


Date posted: May 24, 2005  

Suggested Citation

Ginsburgh, Victor A., Legros, Patrick and Sahuguet, Nicolas, How to Win Twice at an Auction: On the Incidence of Commissions in Auction Markets (January 2005). CEPR Discussion Paper No. 4876. Available at SSRN: http://ssrn.com/abstract=728436

Contact Information

Victor A. Ginsburgh
Catholic University of Louvain (UCL) - Center for Operations Research and Econometrics (CORE) ( email )
34 Voie du Roman Pays
1348 Louvain-la-Neuve, 1348
Belgium
+32 2 650 3846 (Phone)
+32 2 650 4012 (Fax)
Université Libre de Bruxelles (ULB) - European Center for Advanced Research in Economics and Statistics (ECARES) ( email )
Ave. Franklin D Roosevelt, 50 - C.P. 114
Brussels, B-1050
Belgium
+32 2 650 3839/4 (Phone)
+32 2 650 3595 (Fax)
Patrick Legros (Contact Author)
Université Libre de Bruxelles (ULB) - European Center for Advanced Research in Economics and Statistics (ECARES) ( email )
Ave. Franklin D Roosevelt, 50 - C.P. 114
Brussels, B-1050
Belgium
+32 2 650 4219/3 (Phone)
+32 2 650 4475 (Fax)
Centre for Economic Policy Research (CEPR)
77 Bastwick Street
London, EC1V 3PZ
United Kingdom
Nicolas Sahuguet
HEC Montreal - Institute of Applied Economics ( email )
3000, ch. de la Côte-Ste-Catherine
Montréal, Quebec H3T 2A7
Canada
Feedback to SSRN (Beta)


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