Classic Research: Mean Reversion in Corporate Profitability
January 12, 2006 - Fundamental Valuation
…corporate profitability and earnings growth exhibit non-linear mean reversion.
January 12, 2006 - Fundamental Valuation
…corporate profitability and earnings growth exhibit non-linear mean reversion.
January 9, 2006 - Equity Options
…investing in options as a marginal enhancement to a buy-and-hold approach can improve returns and Sharpe ratios, but only if the options positions are small compared to overall portfolio size.
January 7, 2006 - Big Ideas
…the power law distribution of sizes of large investors, along with the optimal trading behavior of those investors, explains the excess volatility observed in asset markets.
January 6, 2006 - Big Ideas
“…[T]he human mind has a predilection for rampant, uncontrolled induction, and it requires much education to overcome this.”
December 28, 2005 - Big Ideas
“The variables that economists have found to be associated with increases in per capita income, to sum up, fall under two headings: investment and institutions.”
December 26, 2005 - Size Effect
…hidden gems (unlike hidden lumps of coal) generally do not want to be hidden. The best small firms solicit analyst coverage to get investor attention.
December 20, 2005 - Value Premium
…the empirical foundation for value investing may not be as sound as generally thought.
December 19, 2005 - Individual Investing, Technical Trading
…if you want to make money following the retail investor herd, you have to get in and out within weeks. For longer-term outperformance, bet against the herd.
December 13, 2005 - Individual Gurus
Guru Grades ranks a group of 29 stock market experts according to our assessments of the accuracy of their stock market forecasts. Since Jason Kelly has been at or near the top of the list, we asked him to encapsulate his thinking on stock market timing in a short piece for this blog. What makes… Keep Reading
December 12, 2005 - Calendar Effects, Cartoons
In case you are sick of hearing about the January effect…