Ryan Sullivan, Ph.D. is the President and Chief Economist of Quant
Economics. He is an expert in economics, finance, and statistics and
applies his skills to strategic business decisions and expert witness analyses.
Dr. Sullivan supports companies in the licensing and valuation of intellectual property. His approach thoroughly examines the markets, businesses, and competitive factors that influence technology value, and incorporates these findings into an effectively structured transaction. Additionally, Dr. Sullivan provides expert economic analysis for disputes involving intellectual property and technology, antitrust and unfair competition, and other commercial litigation. He utilizes qualitative investigation and quantitative techniques to evaluate competitive issues and measure economic damages.
Dr. Sullivan earned his Ph.D. in economics from the University of California, San Diego. While at UCSD, Dr. Sullivan used advanced statistical methods to evaluate econometric forecasting models. The methods used by Dr. Sullivan directly account for issues of data snooping and data mining, which occurs when a given set of data, such as stock prices, are used more than once for selecting a predictive model. When such data reuse occurs, there is a possibility that good results generated by the predictive model are simply due to chance rather than any merit inherent in the model.
Dr. Sullivan began his consulting career in 1992 at the firm of INDETEC
International, since acquired by Taylor Nelson Sofres plc, working on
pricing and related competitive issues in the telecommunications arena. In
1998, he joined Economic Analysis, LLC, since acquired by LECG, LLC,
with a focus on antitrust and finance matters. Dr. Sullivan had a short
stint at Econ One Research, Inc. and then joined Bates White, LLC in 2001.
While at Bates White, Dr. Sullivan constructed econometric pricing models
for antitrust litigation, evaluated allegations of anti-competitive behavior
and unfair competition, and developed the firm's intellectual property
practice. In 2006, Dr. Sullivan founded Quant Economics to fully leverage
his expertise in economics, finance, and statistics.
Education
- Ph.D., Economics, University of California, San Diego
- M.A., Economics, University of California, San Diego
- B.A., Economics, University of California, San Diego
Papers and publications
- Sullivan, Ryan: "A Holistic Approach to Patent Damages Analysis,"
(2006) in Daniel Slottje, ed., Economic Damages in Intellectual
Property: A Hands-On Guide to Litigation, John Wiley & Sons, Inc.
- Sullivan, Ryan, Allan Timmermann, and Halbert White: "Forecast
evaluation with shared data sets," (2003) International Journal of
Forecasting 19(2), 217-227.
- Sullivan, Ryan, Allan Timmermann, and Halbert White: "Dangers of
data-mining: The case of calendar effects in stock returns," (2001)
Journal of Econometrics 105(1), 249-286.
- Sullivan, Ryan, Allan Timmermann, and Halbert White: "Datasnooping,
technical trading rule performance, and the bootstrap,"
(1999) Journal of Finance 54(5), 1647-1691.
- Sullivan, Ryan, and Halbert White: "Finite sample properties of the
bootstrap reality check for data-snooping: A Monte Carlo
assessment," (1999) UCSD manuscript.
- Sullivan, Ryan: "Instability and prediction error in model selection,"
(1996) UCSD manuscript.
- Sullivan, Ryan: "A neural network forecast of the S&P 500," (1995)
UCSD manuscript.
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