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西方经济学微观部?高鸿业第六版)课后习题答案 - 百度文库

Դû ʱ䣺2025/6/1 5:31:33 loading ƪĵֻ
˵ݽԤݿܲȫҪĵҪݣwordʹáword΢ź:xxxxxxxQQxxxxxx ܸṩĵл֧½⡣

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dSTC

4.𣺣1ΪSTC=0.1Q3-2Q2+15Q+10,SMC=dQ=0.3Q3-4Q+15

ȫʵԭP=SMC֪P=55У0.3Q2-4Q+15=55

ã0.3Q2-4Q-40=0

󻯵IJQ*=20ֵȥˣ Q*=20ʽУ =TR-STC=PQ-STC

=5520-0.1203-2202+1520+10 =1100-310=790

̶ھIJQ*=20=790

2г۸½ΪPСƽɱɱAVCP?AVCʱ̱ͣʱļ۸PضССĿɱƽɱAVC

⣬У

TVC0.1Q3?2Q2?15Q?QQAVC==0.1Q2-2Q+15 dAVCdAVC?0,?0.2Q?2?0dQdQ Q=10

d2AVC?0.2?02dQ

Q=10ʱAVCQСֵ Q=10AVCQУ

СĿɱƽɱAVC=0.1102-210+15=5 ǣг۸P5ʱ̱ͣ

3ȫ̶ʵԭP=SMCУ0.3Q2-4Q+15=p 0.3Q2-4Q+15-P=0

󻯵ĶMR??MC?ҪȡΪ

ǵóڶֻP?5ʱP5ʱضͣԣó̵ĶڹQ=fPΪ

4?1.2P?20.6Q=P?5 4?1.2P?20.6Q=

Q?4?16?1.2(15?P)0.6

Q=0 P5

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5. (1)⣬LMCdLTC/dQ3Q224Q40

ȫ̵PMR֪P100MR100 󻯵ԭMRLMC3Q224Q40100 Q28Q200 Q10(ȥֵ)

ΪƽɱSAC(Q)STC(Q),QQ212Q40ԣQ10ʽƽɱֵSAC10212104020

󣬵

TRSTCPQSTC

10010(103121024010) 1 000200800

ˣг۸P100ʱʵMRLMCʱIJQ10ƽɱSAC20У800

(2)֪LTCɵLAC(Q)LTC(Q),QQ312Q240Q,QQ212Q40

dLAC(Q)/dQ0dLAC(Q)/dQ2Q120 Q6

d2LAC(Q)/dQ220

Q6dzƽɱСĽ⡣

Q6LAC(Q) ƽɱСֵΪ LAC62126404 ȫҵھʱļ۸ڳ̵Сijƽɱԣҵھʱļ۸P4̵IJQ6

(3)ȫijɱҵijڹһˮƽߣӦгھ۸ǹ̶ģڵ̵͵ijƽɱԣгijھ۸̶ΪP4P4гQ66015PԵõгijھΪQ660154600

гʵֳھʱгľQ600̵ľQ6ǣҵھʱij6006100()

6. (1)ȫгھʱLSD5 500300P8 000200P Pe5

Pe5LSQe5 50030057 000

ߣPe5DQe8 00020057 000

ԣгijھ۸;ֱΪPe5Qe7 000 (2)ͬLSD5 500300P10 000200P Pe9

Pe9LSQe5 50030098 200

ߣPe9DQe10 00020098 200

ԣгijھ۸;ֱΪPe9Qe8 200

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(3)Ƚ(1)(2)ɵãȫijɱҵԣгӻʹгľ۸Pe5ΪPe9ʹгľҲӣQe7 000ΪPe8 200Ҳ˵г۸ͬ䶯Ҳͬ䶯

7. (1)гھDSS6 300400P3 000150P P6

P6гQ6 30040063 900

ߣP6гڹQ3 00015063 900 ԣгĶھ۸;ֱΪP6Q3 900

(2)Ϊгھʱļ۸P6֪ҵLAC͵ļ۸ҲΪ6ԣɴ˿жϸгͬʱִڳھ⡣

Ϊ(1)֪гھʱIJQ3 900֪гھʱҵIJΪ50ԣɴ˿гھʱҵڵijΪ3 9005078()

(3)гھD䣽SS䣬8 000400P4 700150P P6

P6гQ8 00040065 600

ߣP6гڹQ4 70015065 600

ԣгڱ仯˵ŵĶھ۸;ֱΪP6Q5 600

(4)(2)еķƣгͶڹ仯֮󣬸гھʱļ۸P6֪ҵLAC͵ļ۸Ҳ6ԣɴ˿жϸгһھͬʱdzھ⡣

Ϊ(3)֪仯ԺгھʱIJQ5 600֪гھʱҵIJΪ50ԣɴ˿гھʱҵڵijΪ5 60050112()

(5)Ϸͼ֪̿ڸг仯ǰгھʱľ۸DzģΪP6ңҵLAC͵ļ۸Ҳ6ǣǿжϸҵڳɱҵ(1)(5)ķIJͼ62ʾ

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ͼ62

(6)(1)(2)֪(1)ʱijΪ78ң(3)(4)֪(3)ʱijΪ112ҡˣ(1)(3)ӵijΪ1127834()

ߣҲ㣬ڴ(1)(3)гھΪQ5 6003 9001 700֪ҵھʱIJΪQ50ԣΪṩQ1 700Ҫ¼ҵΪ1 7005034()

8. (1)ɵLACLTC/QQ240Q600 LMCdTC/dQ3Q280Q600 LACLMC·Q240Q6003Q280Q600 Q220Q0 Q20(ȥֵ)

LACLMCʱLACﵽСֵ㣬ԣQ20LACɵLAC͵ļ۸ΪP2024020600200

ΪɱҵijڹǴ൱LAC͵ļ۸߶ȳһˮƽߣиҵijڹΪPS200

(2)֪гΪQd13 0005Pִ(1)еҵھʱļ۸P200ԣP200гԵõҵھʱΪQ13 000520012 000

ڴ(1)п֪ҵھʱ̵IJQ20ԣҵʵֳھʱijΪ12 00020600()

9. (1)֪ɵLMCdLTC/dQ3Q240Q200 ֪P600ȫ󻯵ԭLMCP 3Q240Q200600 3Q240Q4000 Q20(ȥֵ)

֪ɵ LACLTC/QQ220Q200

Q20LACʱijƽɱΪ LAC2022020200200 ⣬ʱֵΪ

УPQLTC60020(2032020220020) 12 0004 0008 000

ԣóʵʱIJQ20ƽɱLAC200У8 000

(2)dLAC/dQ0dLAC/dQ2Q200 Q10

西方经济学微观部?高鸿业第六版)课后习题答案 - 百度文库.doc ĵWordĵصԣ㸴ơ༭ղغʹӡ
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