,,,
I. .
II. .
III. .
() . (, ) " ", R1, ..., Rn, 1, ....
( ) () () L, - , , , .
, . , .
. , . .
,
X=F(K, L),
.. () ( ).
: ? , , . . () .
:
X K a1 L a2
X0 K0 L0
(1)
0, 0, L0 - .
(1)
0
= Ka1 La2 = AKa1La2
0a1 L0a2
0
, =
0a1 L0a2
- , .
() X, K, L, (1) :
X=Ka1 La2 (2)
, (2) ., - . : L. :
ՠ
- , - .
ʠ L
(, ), . , , .. .
" "
- , . , , , . , . , , , , , .
, , - ( ), , , ( ). , , , , Y 1, 2, Y=F(X1, X2). Y (1, 2) (1, 2), , . , , , .
1. , ,
Y=a1X1+a2X2
2. , ,
Y=X1a1X2a2, a1+a2<=1
3. , ,
4. , ,
Y=y1+y2 : Xi=>aiy1+biy2, i=1,2.
, . , (dY/dXi), . , . , ( ) , dY/dX1 dY/dX2 , . , :
d2Y/dXi2<0 , i=1,2.
(MRS) - , - dX2/dX1, , Y - dX1 dX2. , , .. :
dX2 dY/dX1
MRS = - Y = const =
dX1 dY/dX2
, - , , .
Š
(MARG2), Y = F(X1, X2) , . -:
Y = X13/4 X21/4.
:
X1 = X1; X2 = X2 ;
MR = MRS - ;
D1 = dY/dX1 ; D2 = dY/dX2;
H - (h).
- - - 20- . , . Y - , X1 X2 - . , 1 2 - , - Y = AX1aX21 a(0<a<1), :
: dY/dX1 = aA(X2/X1)a-1.
: dY/dY2 = (1 - a) A (X1/X2)a
dY/dX1 a X2
: MRS = = *
dY/dX2 1-a X1
, ( ) , - ( ).
, (Y, X1 , X2), . , q1 q2 , , (Y* , X1* , X2*) = pY - q1X1 - q2X2 Y = F (X1 , X2). , = pF(X1 , X2) - q1X1 - q2X2. , .
,
d/dX1 = p * dF/dX1 - q1 = 0,
d/dX2 = p * dF/dX2 - q2 = 0,
, ,
dF / dX1 q1
=
dF / dX2 q2
100 ' 2 [MARG2]
110 CLR:PRINT " "
120 DEF FN F(X1,X2)=X1^.75*X2^.25
130 PRINT" Y = X1^0.75 * X2^0.25":PRINT
140 H = .001
150 INPUT "Y=";Y
160 INPUT "X1=";X1
170 X2=(Y/(X1^.75))^(1/.25)
180 PRINT "X2=";X2
190 Y=FN F(X1,X2)
200 D1=(FN F(X1+H,X2)-Y)/H
210 D2=(FN F(X1,X2+H)-Y)/H
220 MR=D1/D2
230 PRINT"------------
240 PRINT"dY/dX1=";D1
250 PRINT"dY/dX2=";D2
260 PRINT "MRS =";MR:PRINT
270 GOTO 160
Y=X1^0.75 * X2^0.25
Y= 10
X1= 8
X2= 19.53125
------------
dY/dX1 = .9365081
dY/dX2 = .1277924
MRS = 7.328358
X1= 13
X2= 10
------------
dY/dX1 = .7505416
dY/dX2 = .2503164
MRS = 2.992395
X1= 12
X2= 5.787036
------------
dY/dX1 = .626564
dY/dX2 = .4320145
MRS = 1.450331
.. " " , 1998.
.. , .. , .. " " , 1997
'' '' 頠 . , '' ''1997
I. . II. . III. .
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