Professor Ringgenberg joined the Olin Business School in 2011.  His research focuses on equity lending, short selling, volatility, and the economics of information.  His research on equity lending and short selling examines the causes and results of short sale constraints in opaque markets.  In addition, he has studied the relation between short sales and volatility and he has investigated the impact of information arrival on the volatility of asset prices.  His research has been published in the Journal of Finance and the Journal of Financial Economics and has been cited in The New York Times.  Prior to his academic career, Professor Ringgenberg worked as a consultant for Charles River Associates in Chicago.

Contact Information Washington University in St. Louis Olin Business School Campus Box 1133 One Brookings Dr. St. Louis, MO 63130-4899

Contact Me: last name "at" wustl.edu Office: Simon Hall, Room 212