                                              797

.  ,    ,  , 
      6.

, ,    1      -
 2 : 1       $11  ,       $13.
,       ,       ,
     ,    0.    
  ,      1    12[(13 + 11)/2]. 
 ,        0   20% [12  15)/15], 
        1.     
  17,5 {[13 + (11  2)]/2}, ..   16,67% [(17,5 - 15)/15].

 ,     ,   -
  .        1,
..   .      d  
:

^^l^.                                (23.1)
d

 d    1,37.     
  1     ,     .

 ,       ,
,  100   0,    . -, 
  ( )  .    
 16,67%. -,        -
 ,    .    , 
    0   100,     0   1 
 16,67 (16,67%  100)      1  116,67%7.

      Dow Jones (Dow
Jones Industrial Average).         -
 30 ,      .  
Dow Jones  ,    20  , 
,    15  ,  -
   .  , Dow Jones    
 , ,      (Asia/Pacific)   
 (World Indices),      ,   .
  Dow Jones      .
  ,       ,
    Barren's   8.

 ,     ,    -
  (value weighting), ,    ,  
 .     ,   , -
           
     .      
          
      .

  , ,      
  0         100.  
,       0  55 000 [($10  1500) +
+ ($20  2000)].     ,    
  1  $63 500 [($13  1500) + ($11  4000)].  $63 500  $55 000 
   100,      1,  115,45 [($63,500/
/$55 000)  100].  ,  ,      0   1 
  15,45% [(115,45 - 100)/100].