(capital asset pricing model) , 12 . 60- 1. : , , , ?
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2. . , , .
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, . , /, /- . , : , Toyota . ( ): 66 . GM, 22 . Toyota 12 . . 100 . , 66% GM, 22% Toyota 12% .
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13.1 |
100000 ., . GM Toyota |
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() 13 1.
E (r) = rf + (E (rm) - rf) s /sm
=0,06 + 0,4 s
" ". , , , , .
E (r) = rf + (E (rm) - rf) s /sm (13.1)
,
E (r)
sm ()
E (rm) ,
rf / ,
s () .
,
= (E (rm) - rf) /sm
, , , , , "" , , , . .
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, " " , .
13.2 |
, , -, ? |