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:2002206202:(1971-),,,(,100871):,,,,,,:;;;:F270:A:100424892(2002)0520022206,,,,,1999215(112),80%,30%;80,2816%;80,7,,(,2001):,,,(250)(100)(50),,,,,(,2001),,(1)P1,,,P1P2,,,,,P2P3,,,;,P3,,;,,,:(1)P2P1,,225(97)20029CollectedEssaysonFinanceandEconomicsNumber5(GeneralSerialNo.97)September,2002©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1,(2)P3,,50,35(1),P3:,1.,,,,:(A),(B),A0,Ba(),,(0,a):B,0,;AB,a,,,,,,,(-a,0):A,0,;BA,-a,(A)(B)(A)(B)(B)(A)(0,a)(0,0)(-a,a)(-a,0)22.,,,;;,,,,,,,,,,,,,,,,100,,(1),P2,32©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,(),,()1.,500,5%,;;,,;,;;,,,,,2.,,,,,,,,,,,,,,,,1,,,,,,,,,,,,,,(),250,,,,(1)P2P1,,1.,,,,,(3)34220025©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.800/,300,115,3000,2.,,8003%,20%,75%,,,,,,,,,,,,,,,,,,,,,1.+,,,,,,,,(4),,(,2000),,:,,,(4),,,,(,2001)4+2.,,,,,52©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,3.:,,(3),,,,,,,,(1),(),(),,,,,Q,,,P1,0(,),P1Qb3;,Px,PxQx,Qx=a-bPxb4;(,(1/2)Q,(1/2)Q),,P1,P1(1/2)Q,b1=(1/2)b3,P1(1/2)Q-C,(C),1;,Px,(1/2)PxQx,b2,=(1/2)b4,(1/2)PxOx2C,2;:(1)10,P1(1/2)Q2C0,P12C/Q,2(2)b1b4,P1(1/2)QPx(a-bPx),(a-(a2-2bP1Q)1/2)/(2b)Px(a+(a2-2bP1Q)1/2)/(2b):,,,:1),,,,2),,,,3),,1(a1b1)(a2b2)(0,b3)(,b4)4.,,,,,,,,,(1),,,,,(2),,,,,,,(alibaba.com)(chinatie.com),:(1)6220025©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,(2),,,(3),,,,4),5.,,,,,,,,500/,,,,,CADCAMERPMIS,,,,,,,:[1].:[N].,2001201220.[2].[J].,2001,(10).[3],.[J].,2001,(8).[4].[J].,2000,(11).[5].[J].,2001,(11).[6],.[J].,2001,(10).[7]FriedmanJ1986.GameTheorywithApplicationstoEconomics.NewYork:OxfordUniversityPress.[8]OZShy,1995.IndustrialOrganizationTheoryandApplication.MITPress.TheResearchonMarketCompetitionandItsMeasuresofIndustrialClustersOntheExampleofNecktieIndustrialClusterinShengzhouWEIShou2hua(Dept.ofUrbanandEnvironmentofBeijingUniversity,Beijing100871,China)Abstract:ZhejiangProvinceinChinahasmanyspecializedregions,wherethemodeofsmallandmedium2sizedenterprisesinindustrialclustersshowgreatdynamics.Butatthesametime,therepartlyexistsexcessivecompetition,evenbadlypricecompetition,whichleadstoirrationalallocationofresources.BytheanalysisofnecktieindustrialclusterinShengzhou,thisarticlemakesresearchonitsspecificcharacterisiticsofmarketcompetition,andfurthermoreputsforwardsomemeasurestosolvetheseproblemsinviewofindustrialorganization.Sosimilarregionscanlearnsomethinfromit.Keywords:industrialcluster;marketcompetition;Shengzhou;necktieindustry(:)72©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.