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Eugene Fama

Born in 1939, an American economist, known for his work on

Eugene Fama Born in 1939, an American economist, known for his work
portfolio theory and asset pricing, both theoretical and empirical.
Currently he is a professor of finance at the University of Chicago Booth School of Business. MBA, PhD.

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Eugene Fama

E. Fama is most often thought of as the father of

Eugene Fama E. Fama is most often thought of as the father
efficient market hypothesis (EMH), beginning with his Ph.D. thesis.
In a ground-breaking article in the May, 1970 issue of the Journal of Finance, entitled "Efficient Capital Markets: A Review of Theory and Empirical Work," E. Fama proposed three types of efficiency:
strong-form;
semi-strong form; and
weak efficiency.
He was a co-founder of Fama–French three-factor model (1993).

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GSS, Gross security selection = ract - rCAPM = CFDR + NSS
CFDR,

GSS, Gross security selection = ract - rCAPM = CFDR + NSS
Compensation for diversifiable risk is the effect of higher volatility of portfolio on the GSS.
CFDR = (rm – rf)*(sigmap/sigmam – betap)
sigmap/sigmam could be called the «degree of volatility»
NB: sigmap/sigmam > betap

Analysis of abnormal return by E. Fama

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NSS, Net security selection = GSS – CFDR
NSS is the effect of

NSS, Net security selection = GSS – CFDR NSS is the effect
“smart” selection of securities for a portfolio, and effective & efficient trading (opening/closing positions).

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In 2012, a managed portfolio:
mean returnp = 0,41%
betap = 0,77

In 2012, a managed portfolio: mean returnp = 0,41% betap = 0,77

sigmap = 3,55%
Market proxy is ACWIFM (0,24%;1,83%)
Find:
GSS
Degree of volatility
CFDR
NSS
Evaluate the portfolio manager’s performance

Practice

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