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Policy Watch: Did Nasdaq Market Makers Implicitly Collude?

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Author Info

  • William G. Christie
  • Paul H. Schultz

Abstract

This paper chronicles the research that led to the conclusion that Nasdaq marketmakers implicitly colluded to maintain supracompetitive spreads (Christie and Schultz, 1994). The paper provides a brief description of the differences between a dealer and an auction market, and highlights the result that NASDAQ marketmakers quoted a majority of large issues exclusively in even-eighths. The paper then provides a personalized description of the events that soon followed, including the publicity surrounding the article, the ensuing antitrust investigation by the Department of Justice, and the abandonment of these agreements once the practice was disclosed.

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File URL: http://www.aeaweb.org/articles.php?doi=10.1257/jep.9.3.199
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Bibliographic Info

Article provided by American Economic Association in its journal Journal of Economic Perspectives.

Volume (Year): 9 (1995)
Issue (Month): 3 (Summer)
Pages: 199-208

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Handle: RePEc:aea:jecper:v:9:y:1995:i:3:p:199-208

Note: DOI: 10.1257/jep.9.3.199
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References

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  1. Chan, K C & Christie, William G & Schultz, Paul H, 1995. "Market Structure and the Intraday Pattern of Bid-Ask Spreads for NASDAQ Securities," The Journal of Business, University of Chicago Press, vol. 68(1), pages 35-60, January.
  2. Drew Fudenberg & Jean Tirole, 1991. "Game Theory," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061414, December.
  3. Neal, Robert, 1992. "A Comparison of Transaction Costs between Competitive Market Maker and Specialist Market Structures," The Journal of Business, University of Chicago Press, vol. 65(3), pages 317-34, July.
  4. Christie, William G & Harris, Jeffrey H & Schultz, Paul H, 1994. " Why Did NASDAQ Market Makers Stop Avoiding Odd-Eighth Quotes?," Journal of Finance, American Finance Association, vol. 49(5), pages 1841-60, December.
  5. Brock, William A. & Kleidon, Allan W., 1992. "Periodic market closure and trading volume : A model of intraday bids and asks," Journal of Economic Dynamics and Control, Elsevier, vol. 16(3-4), pages 451-489.
  6. Christie William G. & Huang Roger D., 1994. "Market Structures and Liquidity: A Transactions Data Study of Exchange Listings," Journal of Financial Intermediation, Elsevier, vol. 3(3), pages 300-326, June.
  7. Christie, William G & Schultz, Paul H, 1994. " Why Do NASDAQ Market Makers Avoid Odd-Eighth Quotes?," Journal of Finance, American Finance Association, vol. 49(5), pages 1813-40, December.
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Citations

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Cited by:
  1. Jay R. Ritter, 2008. "Forensic Finance," Journal of Economic Perspectives, American Economic Association, vol. 22(3), pages 127-47, Summer.
  2. Benston, George J. & Wood, Robert A., 2008. "Why effective spreads on NASDAQ were higher than on the New York stock exchange in the 1990s," Journal of Empirical Finance, Elsevier, vol. 15(1), pages 17-40, January.
  3. Joe Chen, 2005. "The Market Structure of Nasdaq Dealer Markets and Quoting Conventions," CIRJE F-Series CIRJE-F-357, CIRJE, Faculty of Economics, University of Tokyo.
  4. Asker, John, 2010. "Leniency and post-cartel market conduct: Preliminary evidence from parcel tanker shipping," International Journal of Industrial Organization, Elsevier, vol. 28(4), pages 407-414, July.
  5. Joe Chen, 2005. "The Market Structure of Nasdaq Dealer Markets and Quoting Conventions," CARF F-Series CARF-F-040, Center for Advanced Research in Finance, Faculty of Economics, The University of Tokyo.
  6. Eric Zitzewitz, 2012. "Forensic Economics," Journal of Economic Literature, American Economic Association, vol. 50(3), pages 731-69, September.

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