Jan 23, 2012
Q & A
In addressing a previous question ("Has the Equity Premium Puzzle Gone Away?"), you suggested that it requires 35 years or more to be reasonably confident of achieving a positive equity premium. Is the time frame similar for the size and value premiums?
EFF/KRF: The volatility of month-by-month size and value premiums is similar to that of the equity premium, and it takes similarly long periods of time to be reasonably confident of achieving positive premiums. One is more confident the longer the period, but no matter how long the period, positive premiums are never a sure thing.
ABOUT FAMA AND FRENCH
Eugene F. Fama
The Robert R. McCormick Distinguished Service Professor of Finance at the University of Chicago Booth School of Business
Kenneth R. French
The Carl E. and Catherine M. Heidt Professor of Finance at the Tuck School of Business at Dartmouth College
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