Investing Expertise

Does past performance predict future results for bond funds? In their April 2007 paper entitled “‘Hot Hands’ in Bond Funds”, Joop Huij and Jeroen Derwall measure persistence in the relative performance of bond mutual funds. Using return data for 3,549 bond funds spanning 1990-2003, they find that: Keep Reading

In considering the stock ratings of expert analysts, should investors focus more on the level of the ratings or changes in ratings? In their December 2007 paper entitled “Ratings Changes, Ratings Levels, and the Predictive Value of Analysts’ Recommendations”, Brad Barber, Reuven Lehavy and Brett Trueman investigate the potential value to investors of both levels of (strong buy, buy, hold, sell, strong sell) and changes in analyst stock ratings. Using real-time analyst stock ratings from two databases spanning 1986-2006 (more than 1,000,000 ratings) and contemporaneous daily stock returns, they conclude that: Keep Reading

Mutual fund investors have two ways to beat the market: (1) pick the right funds, and (2) time their purchases and sales. How effectively does the average fund investor execute the latter goal? In their December 2007 paper entitled “Investor Timing and Fund Distribution Channels”, Mercer Bullard, Geoff Friesen and Travis Sapp examine the investment timing performance of equity mutual fund investors and the relationship of this performance to the fund distribution channel. Using data on returns and funds flows for 6,164 U.S. equity mutual funds during 1991-2004, they conclude that: Keep Reading

Just why do those Ivy League endowments do so well? In their October 2007 paper entitled “Secrets of the Academy: The Drivers of University Endowment Success”, Josh Lerner, Antoinette Schoar and Jialan Wang investigate the performance of university endowments overall during the past decade and the factors contributing to outperformance of the most successful ones. Using voluntarily provided holdings and return data for over 1,300 university endowments mostly over the period 1992-2005, they conclude that: Keep Reading

Do the business media serve as reliable sources of good stock picks? In his 2003 working paper entitled “Fifty-Fifty. Stock Recommendations and Stock Prices. Effects and Benefits of Investment Advice in the Business Media”, Thomas Schuster surveys and summarizes past research on this question. Using the results of 32 studies of relationships between business media stock recommendations and stock prices, he concludes that: Keep Reading

Are the stocks recommended by columnists in major business magazines good short-term and/or long-term picks? Can one trade these stocks around the publication event? In their 2006 working paper entitled “The Value of Columnists’ Stock Recommendations”, Dan Palmon, Ephraim Sudit and Ari Yezegel assess the short-term and long-term performance of buy recommendations made by columnists in Business Week (BW), Forbes and Fortune. Sensitive to the fact that magazine availability dates differ from nominal publication dates, they use a range of benchmarks and risk adjustments to measure the abnormal returns of these picks. Using 2,503 buy recommendations from the three magazines made during 2000-2003 along with associated price, fundamentals and benchmarking data, they conclude that: Keep Reading

Why does high short interest indicate future underperformance of stocks? Does the reason suggest a way to refine the short interest signal? In their October 2007 paper entitled “Why Do Short Interest Levels Predict Stock Returns?”, Ekkehart Boehmer, Bilal Erturk and Sorin Sorescu employ two distinct methods to determine which of two hypotheses drives the underperformance of heavily shorted stocks: (1) constraints on short selling, or (2) superior private information of short sellers. These methods combine the level of short interest with the level of institutional holdings (supply of shares available for lending) and with earnings surprises. Using return, short interest, institutional ownership, earnings and related fundamental data for a broad sample of stocks over the period 1988-2005, they find that: Keep Reading

What evidence is there that economically significant financial expertise exists? How can research best discover where such expertise comes from and how it works? In the September 2005 draft of their paper entitled “The Enigma of Financial Expertise: Superior and Reproducible Investment Performance in Efficient Markets”, Anders Ericsson, Patric Andersson and Edward Cokely tackle these questions. Based on review of prior research in the context of a broad perspective on expertise across many fields, they conclude that: Keep Reading

Do the experts who arguably should have the most informed opinions, finance professors, believe that the U.S. stock market is efficient? Do they invest in accordance with their beliefs? In their August 2007 paper entitled “Market Efficiency and Its Importance to Individual Investors – Surveying the Experts”, James Doran, David Peterson and Colby Wright seek to answer these questions via an email-initiated electronic survey of over 4,000 finance professors at accredited U.S. universities and colleges. Using data provided by 642 qualified respondents, they conclude that: Keep Reading

But the market is just unsafe at any speed… Keep Reading