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, , . - . , , , . .

. . . . , . , , .

, . , . .

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

. () . , . , .

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

, . , . , , , MOC (marginal opportunity cost). , .

. , . , . , , . , . , , , , , , .

, , .

, , , . : ; ; .

.

, .

.

.

1. . , , .

2. . , , - .

3. . , . , .

, , .

, , . . .

. , .

, (MRPK) (MICK) (MOC). (DK) (MRPK), (SK) (MOC).

(i). :

DK = SK = MRPK = MICK = MOCK = i

K

. 21.

. .

, , . r (marginal rate of return on the investment). :

r = (MRPK MICK) / MICK *100%

. :

r > i , ;

r = i , ;

r < i .

, , :

r i= .

, , . . , , . . .

. PDV (present discount value) () .

(R), (, ) (1,2n ) (i):

PDV = R1 / (1 + i) + R2 / (1 + i)² ++ Rn / (1 + i)ᵑ,

i ;

(1 + i) .

PDV () . , , . . NPV (Net Present Discount Value):

NVP = PDV I,

I .

, NPV > 0, .

. , : (Cp) (Cf). . , MRTP (marginal rate of time preference):

MRTP = ∆Cf /∆Cp,

∆Cf ;

∆Cp . , , , .

:

Cf = (1 + i) * (I Cp),

I ;

Cf ();

Cp ;

(1 + i) .

 

Cp

. 22.

(I/Cf I/Cp) . (.) I/Cf , (I) . I/Cp , .

E. , MRTP, (1 + i), E . :

MRTP = ∆Cf/∆Cp = (1 + i).

. .

. , , . . , . , . E .

 

1. ?

2. ?

3. ?

4. ?

5. , ?

 

 





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