.


:




:

































 

 

 

 


6




, , , . rc, , . , , , .

 

.

$1000 12%. 1 , $120 . , $60 . $30 .

 

m , , (2.13)

 

(2.15)

 

(2.15) , (2.7) :

 

(2.16)

 

, , . ( ) , () . . . , , .

 

.

1000 . . . - 10%; 8% .

. ,

= 0.11000/4 = 25 .

r

(1+ r)4 = 1+ 0.08, r = 0.0194 1.94%

( , ). (2.16):

PV = 25[1-(1+0.0194)-8]/0.0194 + 1000/(1+0.0194)8. = 1041 . 13 .

, : , .

, , , .

(2.11):

 

(2.11')

 

, r .

.

10 ., 15% . - 20% .

. , 0.15*10/2 = 0.75 ., 75 . , r : (1+ r)2 = 1+ 0.20, r =0.0954. (2.11)

PV = 0.75/0.0954 = 7 . 86 .

( ) , . , . , , , . , 7, , , , (2.13). Divi, (2.13) :

 

(2.17)

 

r ( ) .

, () , , . (2.17) . (2.17): , ( ) . (2.17) , , , - . , , . , , 8 ( , ). , , . , (2.17) 1 .

, . g , Div1 :

(2.17)

(2.18)

i→∞ ( (2.12)). :

 

(2.19)

 

(2.19) . , . , , .. . , , , . , .

, , : ( (2.19)).

 

.

, 80 ., 5% . . - 15% .

. , (2.8). 5% (2.19). , "". :

PV = 0.8[1-(1+0.15)-5]/0.15 + 0.8(1+0.05)/[(0.15-0.05)(1+0.15)5] =

= 2.68+4.18 = 6.86.

, , 6 . 86 .

: , ; ; , .

, , , , . . , , / - , .





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