228                                                     8

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     Able,   1,1,  1,01,  1,001 .

2         ,  
   . .   Portfolio Selection (-
   ),   . 176-185.

3 ,   ,   S,       
 S,  .

4          ,  
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      .

5    ,        (.
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7       ,   -   -
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,      .

*     ,       ,  -
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9       . 17.

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 .