Dr. Christophe is an award-winning teacher and researcher at George Mason University. His research focuses on security valuation, the trading behavior of market participants, and the impact of short selling on financial markets. He is well published in academic journals, including the Journal of Business, Journal of Finance, Journal of Portfolio Management, Financial Analysts Journal, and the Journal of Investing. Dr. Christophe has testified as an expert witness on the characteristics of stocks, bonds, and mutual funds. In addition, he has worked extensively as an expert consultant in mediations focused on the suitability and rate of return of trust fund investments. He is a member of the American Finance Association and the Financial Management Association.
Economics and Business Specialties
Expert witness, SEC Rule 10b-5, financial economics, financial markets, and international finance
Informed Trading Before Analyst Downgrades: Evidence from Short Sellers. Journal of Financial Economics, Vol. 95 No. 1, 2010.(with Michael G. Ferri and Jim Hsieh).
Short-Selling Prior to Earnings Announcements. Journal of Finance, Vol. 59, No. 4, August 2004 (with Michael G. Ferri and James J. Angel).
What Matters about Internationalization: A Market-Based Assessment. Journal of Business Research, Vol. 58, No. 5, 2005 (with Hun Lee).
American Finance Association
Finanacial Management Association