Bubble Logic: Or, How to Learn to Stop Worrying and Love the Bull

AQR Capital Management Working Paper

51 Pages Posted: 31 Oct 2000

Date Written: August 2000


A bull market, and the incentives of those who make their living from bull markets, can create its own form of logic. This book explores some of the stories that encourage the purchase or retention of stocks or mutual funds and the logic behind these stories. Some of these stories are honest attempts to explain new phenomenon, and may or may not prove true going forward. Some seem to be unintended falsehoods that come from an incomplete or lazy application of economic reasoning. Finally, some seem less well intended. The stories, and the logical analyses behind them, generally originate with Wall Street (both sell side and buy side), sometimes riding the coattails of academia, and are often readily absorbed by investors engaged in wishful thinking. Such wishful thinking has led to a stock market, and the growth/tech sector of the market in particular, that is priced so expensively that even very long-term investors will probably end up disappointed, perhaps greatly so.

JEL Classification: G1

Suggested Citation

Asness, Cliff S., Bubble Logic: Or, How to Learn to Stop Worrying and Love the Bull (August 2000). AQR Capital Management Working Paper, Available at SSRN: https://ssrn.com/abstract=240371 or http://dx.doi.org/10.2139/ssrn.240371

Cliff S. Asness (Contact Author)

AQR Capital Management, LLC ( email )

Two Greenwich Plaza, 3rd Floor
Greenwich, CT 06830
United States
203-742-3601 (Phone)
203-742-3101 (Fax)

HOME PAGE: http://www.aqrcapital.com

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