  c -   ( )       ( asa  )      -   -     -   -     .       (bia)   ca2  stan dardised (tsa) /  stan dardised (asa)    ca2  tsa:   (cf)      (ts)     (rbr)   (cb)   (rb)      (ps)     ( )        ( asa  )      -   -     -   -       (am)  asa:   (cb)   (rb)  ama   ca2   ama    allo cation   diver sification  niques.    diversifi cation.   miti gation   (  mech anisms)  .       (bia)  stan dardised (tsa) /  stan dardised (asa)   tsa:   (cf)      (ts)     (rbr)   (cb)   (rb)      (ps)     ( )   ama    allo cation   diver sification  niques.    diversifi cation.   miti gation   (  mech anisms)   (am)  asa:   (cb)   (rb)  ama   c    ( ).   136.               (bia),     (tsa),       (asa)         (ama).  tsa  asa     137.    bia, tsa  asa        -    deviations            138.   justify its      a   a         a     a biased       a   its    looking    starts     139.             ( asa).   ama,     a     tsa  asa.                 -                (bia, tsa  asa)      a    ama.  ama                     316                   (  )     looking        (   )     (   + ).                   . -      ( asa  )                 (b)  319( )            .               (  (a)  319( )  ).           witharticles   92( )    a   ama      (  ( )  )     ( )     a  its             . - ama    diversifi cation    090   070              (   )..            (   (a)     ( )  )                         ( a    )   diversified          ( .             ).             ,     ama          %      calculates    ama             ama            ama     ama       %                (      )                    (bia)     bia             (   316  ).   standarised (tsa)/    (asa)    tsa  asa ( 317, 318  319  )     . -  tsa   tsa   318  . -  asa    asa ( 319  )                        .       asa,                  ( 319  ).                     tsa (   )    asa    (e.g.  a   tsa    asa).  ama  ama   (  ( )    )     ama   ama  .