Seminal and ongoing research by the Analytic Investors team has led to the development of what is now one of the fastest-growing asset classes.

2002. "Portfolio Constraints and the Fundamental Law of Active Management," Financial Analysts Journal
2004. "Toward More Information-Efficient Portfolios," The Journal of Portfolio Management
2008. "Long-Short Extensions: How Much is Enough?" Financial Analysts Journal
2008. "Making a Long Story Short: The Evolution from Long Only to Short Extension Strategies" Institutional Investor: A Guide to 130/30 Strategies

Short extension investing has come a long way since 2002. See its future in this summary of Analytic Investors' newest research.