제 4 장 탄력성
Post on 03-Jan-2016
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5
4
x y ?(elasticity) .y x =
() =
=
=
=
,
. =
= ; 1% 3.3%
; 1% 2.5% =
; 1% 0.17%
1. .
;
2. , . ( )
, ; ;
1 =
2 =
1 : AB X A /
2 : AB X C /
B A A .A X A /
:
. , ;
=
:
.
. `1 :
= 5,000/, = 10/
= 6,000/, = 8/
2 :
= 5,000/, = 10 = 0.5 4,000/ ?;
: vs. 01(inelastic)(elastic) (unitary elastic) 10%
(elastic) : 10%
(unitary elastic) : 10%
(inelastic) : 10%
.
= -1.0
> -1.0
< -1.0
.
E :
PQTR
PQTR
:
: :
:
1 : .
A B 2 , . ? 3 ?
?SADAPQ4002000 SADA4002000SB ( ) .PQSADA4002000SB2400300PQ (2400 - 2000) / (2000)(300 - 400) / (400)=- 0.8 () = ?SADAPQ4002000SB2400300TRSA = 800,000TRSB = 720,000: . =
: . : . ., <
0
= ()
0
= ()
0
= ( )
0 : .ABCA : B : C : ?
() ? = +
= -
:
: :
2(Q, P), 2
:
: : T
:
: 1 : 2, 2 : .1.
:
: 100
S1240480180360
280
, .
:
: : T
2 :
:
:
:
: 100
S1240480D1180380
280
, . .
.
.
, , (tax incidence) ? : .
: !
, >
, < S1$2.00D1S2 AFGHCE: : AC : CE : GH : GF : S1D1DFEC
C
C
<
>
=
: = 400, = 16/80kg : = 420 ? = 0.2
: 8 = 400 X 16/ = 5 X 16/
= 8
= 420 X 8/
= 5,250 X 6/
= 4.2 : 16 (16 , 14 2 )
420 = 5,250 8 = 8/ X 5,250 = 4 2 (20) = 16 = ? 20 = 2,500,000 2,500,000 X 16 = 4,000
Note 1 : = 4 2 ( 16 )Note 2 : . = 4, = 1 = 5 ?( = 0.5, = 0.2)
= -0.2
= 0.5 1 12.5
5 17.5
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