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, . , . , , . : [1, .75]
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, , . . , , , . , , ( ) .
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1
Qd = 100-2p, Qs = 2p-20, , ?
:
100-2=2-20;
100+20=2p+2p;
120=4p;
P=30;
Qd=100-2*30=40
Qs=2*30-20=40
Qd= Qs=40
5 . , Qd=100-2*5=90, Qs=-20+2*5=-10
|
|
2
35 ./ 200 . 1 5 . 20%. . ?
:
Q1 Q2 ; P1 2 . , , :
D > 1 ; , . D < 1 .
D =1, , . . 1 % 1 %. , .
Q1=35*200 = 7000
Q2 = 35-5*200+20% = 7200
P1 = 35
P2 = 30
E = (7200-7000/7000*100): (30-35/35*100) = (7200-7000*35) / (30-35*7000)
= -0,2=-0,2
, <1, ,
3
. 40 .., 10 . ., , 30 .?
:
(MC)
= DC/DQ. , , ..
DC = 0+40+75+110+130+160+200 / 7 = 120,1
DQ = 0+10+20+30+40+50+60 / 7 = 30
= 120,1/30 = 4
10*30-40 = 260 ..
4
50 . . . 1000 . . ., , 1,25, ...?
:
= /
= 1000+50=1050
= 1050/1,25 = 840 . . .
5
25%, 800 . ., ?
:
800+25% = 200 ..
= 800+200 = 1000 . .
6
21%, .
:
= 21/100+1 = 1,21 %
7
( ) 4% 3600 . . ., 7,5 %, 3.
:
(y-y*)\y* = - β (u-u*)
(y-y*)\y* = -3* (0,075-0,04)
y-y* = - 0,105 y*
y = y* - 0,105 y*
0,03 = x 0,105
= 0,135
: 13,5%
1. (): / . . .. , . .. . - .: -, 2008. - 560.
2. .. . . : , 2009. 256 ., .
3. . /: , 2008. - 448 .
4. .. : . -, 2008. 256 ., .
5. .. ( 1). .: -, 2009. 304 .