If we want to estimate expected return on individual securities or on a portfolio, we need theory. Estimates based on past data are inaccurate, partly because of the many ways in which people can "mine" past data. "Explaining average return" is like explaining variance, but does little to help us estimate expected return. Theory can help, though, by telling us how factors are priced and why factors and securities are mispriced.
Read the Complete Article in Financial Analysts Journal
Financial Analysts Journal
CFA Institute Member ContentPublisher Information
Association for Investment Management and Research
3 pages doi.org/10.2469/faj.v49.n5.36ISSN/ISBN: 0015-198X
We're using cookies, but you can turn them off in Privacy Settings. Otherwise, you are agreeing to our use of cookies. Learn more in our Privacy Policy.
Privacy Settings
Functional cookies, which are necessary for basic site functionality like keeping you logged in, are always enabled.