Multiple Listing Service Tying Cases

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In separate cases counsel representing either a local board of realtors or a multiple listing service (MLS) retained Cornerstone Research to analyze the plaintiffs’ claims that membership in a Board of Realtors as a condition for participating in an MLS constituted an illegal tying agreement and a group boycott.

Retained by Sidley & Austin and by Spencer Fane Britt & Browne

In separate cases counsel representing either a local board of realtors or a multiple listing service (MLS) retained Cornerstone Research to analyze the plaintiffs’ claims that membership in a Board of Realtors as a condition for participating in an MLS constituted an illegal tying agreement and a group boycott.

In these separate cases Professor Christopher James of the University of Florida, Dr. Michael Keeley, a senior vice president of Cornerstone Research, and an economics professor concluded that membership requirements were procompetitive, not anticompetitive as claimed by the plaintiffs; that board membership and MLS membership are not separate products; that the multiple listing services did not have market power; and that the membership requirement did not meet the definition of a group boycott.

Case Experts

Christopher M. James

William H. Dial/SunBank Eminent Scholar in Finance and Economics,
Warrington College of Business Administration,
University of Florida;
Senior Advisor, Cornerstone Research

Michael C. Keeley

Senior Advisor