開放教育本科西方經(jīng)濟學導學計算題參考答案

23

1.P30-4Q,P20+2Q,

P30-4Q,P20+2Q,

30-4Q20+2Q

6Q10

Q1.7P30-4Q,P30-4X1.7=23

2.Q=2000+0.2I,Q

I1=50001500030000

Q=2000+0.21,I50001500030000

E_?Q

"bMIMbM

Eh_KQ!Q_AgH

AM/MAM

Ei_AO/O_AO

=0.2

=0.2

50000.33

15000

30000

0.75

X

------------------------------

2000

3.P+3Q=10,P=1

P+3Q=10,P=1

P=1P+3Q=10Q3

P+3Q=10,3Q=10—P.Q=10/3-P/3,

Ed=--^^=-—X—=1/9

\p/p-AP-2

P=11/9,

4.4%,800500,

P4%,Q800500

E

1.

2.

(1)

(2)

(1)

(2)

3.

APA/PANPA6QP800

36

TU=14Q-Q:,Q

TU=14Q-Q2

MUTIT=(14Q-Q2)z=14-2Q

TU14?7-7'49

7

TU4X+Y,

Y

X=16,Y=14,TU=4X+Y,

78

4x4+Y=78

Y=62

XY

MU14-2Q0,Q7,

49

16X14Y,

4X

TU=4x16+14=78

UX'Y',

P：L2

500XY

MUFU'〔XY〕'=2XY=

MUx/Px=MUY/PP>F2

Y

2XY2/2=2YX2/5

PY

PY

5X

MUy=U'=〔x￥〕5

Y

2YX’

X2.5Y

M=PvX+PyY,H500,500=2X+5Y

X125Y50

4.120XY

Y10

〔1〕XY

Y

〔2〕

〔3〕X4,Y6

〔4〕X3,Y3

〔1〕HPFX+PYYM120PrfO,P

12020X+10Y

X0Y12,

X1Y=10

X

10

20

X

〔3〕X4,Y6,A

20?4+10?6140,

(4)X=3,Y=3,B

20-3+10-3=90,

6

X

4,Y

120,

X=3,Y

3

120,

50-51

1.Q6750-50P,TC12000+0.025Q’

(1)

(2)

(1)T012000+0.025Q3,

MC=TC‘(12000+0.025Q3)z=0.05Q

Q6750-50P,P135-(1/50)QTRP?Q(135

(l/50)Q)XQ135Q-(1/50)Q2

MR(135Q-(1/50)Q:)'=135-(1/25)Q

MRMC

0.05Q

Q1500

P105

135-(1/25)Q

(2)TR-TC89250

2.Q=LK,Q10PL=4,PK=1

(1)

(2)

(1)QLK,MPFLMPFKMP/MPLPE/PL

Q10,PL=4,PK=1MP/MPLP/PL

L/K=PK/PL,L/K1/4

K4L10KL,

L=1.6,K6.

4

(2)4?1.6+1?6.4=12.

8

3.

(L)

0

1

2

3

4

(TQ)

0

5

12

18

22

(AQ)

——

5

6

6

(MQ)

——

5

7

6

4

Q

Q/L

AP

25

27

28

28

27

25

5

6

7

8

9

10

3

2

1

0

-1

-2

5

4

3

〔1〕

〔2〕

〔3〕

〔2〕

〔3〕

4.

Q〔1〕〔2〕〔3〕

〔1〕

〔2〕

〔3〕

30,

3060,

L,

0.1I/+6I/+12L,

AP

MP

0.1L3+6L2+12L

-0.1U+6L+12

0.2L+6

Q-0?1L3+6L2+12L

MP=-0.3I/+12L+12

0.6L+12

L30

Q=-0.1LS+6L2+12L,

3060.

Q,

L

L

30

20

LQ

68

1TC5Q2+20Q+1000,

Q140-P,

(1)

(2)

(1)MRMC

TRP?Q[140—Q]?Q140Q—Q：

MRTR'=(140Q-Q2)'140-2Q

MC=TC‘=(5Q2+20Q+1000)'10Q+20

140-2Q=10Q+20

Q10

P=140-Q=130

(2)=TR-TC=(140Q-Q2)-(5Q2+20Q+1000)

=-400

(3)-400,

130

AVCVC/Q(5Q:+20Q)/Q5Q+2070,

2.AB

P=2400-0.1Q,A

TC=6OOOOO+3OOQ+O.2Q2,

BB

(1)AB

(2)

TC=400000+600QA+0.IQA2,B

A

B

TRPxQ(2400-0.IQ)xQ=2400QA-0.1Q?

TRQMR=2400-0.2QA

TC=400000+Q

MC=600+0.2QAMR=MC,2400-0.2QA=600+0.2QA

QA4500,4500P2400-0.1Q,P&2400-0.1X4500

1950

TR=2400Q-0.IQB2QMR=2400-0.2QB

B

TC=600000+300Q+0.2QB2QMC=300+0.4Q

B

MR=MC,300+0.408=2400-0.2Qs

QB3500,3500P2400-0.1QP2050

(2)

3.LTC=Q-6Q2+30Q+40,Qd2040-10P,P66,

(1)

L：

SL

(2)

(1)LTC=Q-6Q2+30Q+40MC=3Q:-12Q+30

MRMCQ6

TR-TC176

Qd2040-10P2040-10X66=1380

(2)?.?QdQs1380

1380/6230

76

1.DLT0W+150,

20W,SL、DLW

L2,

-10W+150W=5

2A

L

SLDL

20W

SL=DL

QL

20?5=100

L,

15

MRP30+2L-

L

VNfP30+2L—IAMG

30+2L—L'15

0

L:-2L-15L=5

3.

L

VMPWG

W15

W

:1)(2)(3)(4)(5)(6)(8)

(VMP)

(W)

55

55

55

55

55

0

100

200

280

340

100

100

80

60

0

10

20

28

34

10

10

10

10

10

55

55

55

55

10

10

8

6

0

1

2

3

4

(MCL)

(MP)

(TR)

(Q)

(L)

(P)

—

—

=3457.2+365.3

360

370

■9

6

20

10

36

37

55

55

55

55

10

10

2

1

55,

120

4.

L

0.10

(1)

(2)

4

4.8

50

VMP’60,W

340220

Q0.01L3+L2+36L,Q

(1)Q=-0.01L3+L2+36LMPP-0.03I?+2L+36

?PWVMP0.10(-0.03I/+2L+36)=4.8

VMPMPP

L60

(2)TR—TCP?Q(FC+VC)

=0.10(-0.01?60'+60'+36?60)-(50+4.8*60)22

95-96

1.1

=2856.3+274.9+43.2+184.5+98.3

=3457.2〔10

〔2〕

3822.5〔10

3

3822.5+256.4

4078.9〔10

〔4〕

=3457.2-〔184.5+242.0〕+111.4+245.6+55.5

=3443.2〔10

〔5〕

=3443.2-442.2

=3001〔10

〔6〕

=3001-43.2-2334.6

=623.2〔10

2.〔1〕

C+I+G+〔X-M〕

=1832.3+403.8+667.9+〔339.6-286.3〕

=2957.3〔100

=2957.3-302.3

=2655〔100

〔2〕

=3528.6〔100

=3528.6-302.3

=3226.3

3.〔1〕2000

=3.5X28+8.0X46+6.6X40+4.8X72+3.0X55+7.4X30

98+368+264+345.6+165+222

1462.6

20XX

=3.8X32+9.4X54+7.8X48+5.6X86+3.5X60+8.0X38

=121.6+507.6+374.4+481.6+210+3041999.2

〔2〕20XX

=3.5X32+8.0X54+6.6X48+4.8X86+3.0X60+7.4X38=112+432+316.8+412.8+180+281.2

=1734.8

100—101

1.

5

\-b

△y=K?AZ=5x80=400

AC=/?.AK=(1-0.2)x400=320

2.

YC+I+G80+0.75Yd+50+0.1Y+20080+0.75(Y-T)+50+0.1Y+200

80+0.75(0.8Y+20)+50+0.1Y+20080+0.6Y+15+50+0.1Y+200

Y0.7Y+345

0.3Y345Y1150

080+0.75Yd80+0.75(0.8Y+20)=80+0.6Y+1595+0.6X1150785

I50+0.1Y50+0.1X1150=165

T20+0.2Y20+0.2X1150210

K1=(1-(0.75X0.8+0.D)=3.

3

3.

(1)0.65,

(2)

Y=C+/+G=40+0.65Y+20+0560

K=600

C=40+0.65K=40+0.65x600=430

7=20+0.157=20+0.15x600=110

(3)

K_1

1-(0.15+0.65).

4.

(1)Y=C+1=50+0.75y+150Y=800

C50+0.75Y=50+0.75X800=650

SY-C800-650150

1=150

800,650,150,150

(2)k=1/(1-MPC)=1/(1-0.75)44X25

=100

800+100900

C=50+0.75Y=50+0.75X900=725

SC=900-725=175

1=150+25=175

1.

900,725,175,175

106—107

1.

P$

0.3Y+100—151000

0.3r-15r-900=0

Y=50r+3000

2.

Y=C+I+G=100+0.7(Y-100)+90025r+1000.3Y+25r=1030(1)

Md/P=Ms/P

0.2Y+100-50r=500(2)

(1)(2)

Y=3075,r=4.3

3075,4.3

3.

I=S

195-2000r=-50+0.25Y

0.25Y+2000r=245(1)

LM/P

0.4Y+=220(2)

(1)(2)

Y=500,r=0.06

500,0.06o

4.

IS

SY-C0.2Y-30,I=60-10r

0.2Y-30=60-10r

Y=450-50r

112

AS=AD

2300+400P