9-1 - 9-2 -:9-3 -9-4 9-5 9-6 (CES)9-7 CES9-8 CES9-9 VES9-10 VES 9-11 VES9-12 9-13 9-14 9-15 9-16

1 1 :1- (y) (xs).2- Law of Diminishing Return: . 3- : . Paul Douglas,C.W Cobb . 1927 : :Y= L= (/)K = o = 1,2= .

2 - Cobb-Douglas Production Function (C-D)

23 Paul Douglas,C.W Cobb 1899-1922 .

3: . (9-1) L :

: L () (9-2) : = ( ) / (L) K : (9-2,3) . L K 1% % L % K.

4 :

45: . (9-1) L : (9-4) K : (9-5)

(9-4,5) L ( )

L K ( ) K.

5 ( ) . :

A :

(9-6)

A (9-6) Returns to Scale :(1) =1 Constant Returns to Scale.(2) > 1 Increasing Returns to Scale .(3)