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CURRENT WORKING PAPERS
"Estimating the Implied Risk Neutral Density for the U.S. Market Portfolio"
Working Paper, July 2008
Modeling the Effect of Macroeconomic Factors on Corporate Default and Credit Rating Transitions (with Frydman and Wei)
Working Paper, November 2007
"Estimation Error in the Assessment of Financial Risk Exposure"
Working Paper, June 2003

PUBLISHED ARTICLES AVAILABLE FOR DOWNLOAD

"Assessing the Incremental Value of Option Pricing Theory Relative to an 'Informationally Passive' Benchmark" Journal of Derivatives 10, Fall 2002
"Market Risk and Model Risk for a Financial Institution Writing Options,"
(with Clifton Green) Journal of Finance 53 (4), August 1999.
Final WP
complete tables
"Pricing Discrete Barrier Options with an Adaptive Mesh Model,"
(with Dong-Hyun Ahn and Bin Gao) Journal of Derivatives 6, Summer 1999.

"Forecasting Volatility" (monograph)
Financial Markets, Institutions, and Instruments 6 (1), 1997.