229

 

"   ,        
,        .  
,     . .  2.

12   ,      , -   -
          N.

13 Harry M. Markowitz, The Optimization of the Quadratic Function Subject to Linear Constraints,
Nova/Research Logistic Quarterly, 3, nos. 12 (MarchJune 1956), pp. 111133.

"    ,     Portfolio Selection
(New Haven, CT: Yale University Press, 1959), pp. 176-185.

15     ,     20,93%, 
        : (23,20%  Y) +
+ (17,26%  (1  Y)) = 20,93%.        ,  
 .  Y= 0,62 ,   62%    
  38% (100%  62%)       
     ,     (
14,09%),  ,         
.

"     .     TV 
 N ,    N1 ,   ,   .
   TV ,  , ,   -
 (N1  N) .      ,   -
    ,     ( -
      ),      (N2 - N)/2
.

17 ,   ,    (   -
  ),       . , -
  ,         -
 (,     (8.11),   -
 (8.15)).  ,         
(, ,  Mobile)        
     (, ,  ).   -
   ,    ,    . .:

Benjamin F. King, Market and Industry Factors in Stock Price Behavior, Journal of Business, 39, no. 1
(January 1966), pp. 139170; and James L. Farrell, Jr., Analyzing Covariation of Returns to Determine
Homogeneous Stock Groupings, Journal of Business, 47, no. 2 (April 1974), pp. 186-207.

18 .    . 9,   ,      
      .

 

               	  -         

 

1.      . 7,      
     ,     
,    :