                                                        7

       .   -
    .

    (  ) -
 ,      20 .  
   ( ).    ( -
,   )  20- , -
    .    -
        1982 .   40,36%
    43,79%   .  
        : 9,18% 
1967 .,   : -8,09%  1969 . ,    -
   ,    (5,36% > 3,74%),
     ,   (5,90% > 5,36%).
 ,         ,
    ,    .

 

         .  
        -
,   .   ,   -
   ,  ,     -
.            .
      .  . 1.1  -
  ,   500    
Standard & Poor's,       .  
     53,99%  1933 .    43,34% 
1931 .       12,34%.  
  ,      -
 .       -
,      ,    
 .

 . 1.1.        
,   . 1.1.     
   (CPI)     -
 .      . 
     ,   
      2.  . 1.2 -
     ,   , , -
     1970  1992 .  , -
  . 1.1   . 1.1, 1.2,   :  
         -
, ..      ,    
 .

 ,    (   -
   )      .
       .  
     ,      
  ,    .   
    .    
         
      3.