맜ꆡꆡ샭ꆡꆡ릤ꆡꆡ돌ꆡꆡ톧ꆡꆡ놨Vol119,No14JournalofIndustrialEngineeringΠEngineeringManagement2005쓪뗚4웚뿍뮧뮻돉놾뛔죽벶볛룱웧쫓뗄펰쿬럖컶?횾볡1,탬쿾샲2,샮뮳ퟦ1(11컷낲붻춨듳톧맜샭톧풺,짂컷컷낲710049;21탂붮듳톧뺭맜톧풺,탂붮컚슳쒾웫830001)햪튪:놾컄퓚룸뚨쫐뎡뮮럖쳵볾쿂,퇐뺿쇋뿍뮧뮻돉놾풼쫸쿂슢뛏뎧짌뗄샻죳ퟮ듳뮯컊쳢,냑췪좫볛룱웧쫓뫍쇣웧쫓솽훖벫뛋쟩탎췘햹떽튻냣탎쪽ꆣ룸돶죽벶볛룱웧쫓쿂샻죳ꆢ볛룱ꆢ닺돶뗄볆쯣릫쪽,늢쿪쾸쳖싛탨쟳쟺싊뫍돉놾몯쫽킱싊뗄펰쿬맘볼듊:죽벶볛룱웧쫓;뿍뮧뮻돉놾;슢뛏뎧짌훐춼럖샠뫅:F014131ꆡꆡ컄쿗뇪쪶싫:Aꆡꆡ컄헂뇠뫅:100426062(2005)04201102040ꆡ틽퇔탔,짨룷ퟓ쫐뎡뗄탨쟳몯쫽뿉캢,qi캪헽늢횻틀삵폚pi;돉놾내헕뇓맅(Piguo1929)뒿죽벶볛룱웧쫓뚨틥,슢뛏뎧짌뛔몯쫽TC틀삵폚ퟜ닺솿Q;ퟜ샻죳몯쫽뿉캢쟒캪퇏룱낼몯쫽ꆣ늻춬뗄쫐뎡믲늻춬샠뇰뗄뿍뮧쯷좡늻춬뗄볛룱틔믱좡샻죳(룷ퟓ쫐뎡퓚뛀솢탨쟳쿂,볛룱뫍닺솿닮뇰펦늻듳,틔놣횤퓚ퟮ듳뮯,업돽쪹폃쫽솿헛뿛(뛾벶볛룱웧쫓)믲웤쯻럇쿟탔볛늻췪좫볛룱웧쫓쿂ퟓ쫐뎡늻맘뇕,쇭컄럖컶쫐뎡맘뇕뗄쳵룱(뛾늿볛룱)ꆣ죽벶볛룱웧쫓짐컞쏷좷뗄뚨틥,릫죏뚨틥캪볾)볛룱닮뇰늻랴펳돉놾뗄닮뇰ꆣ럆샻웕쮹(Phlips1983)뗄닮뛮슢뛏뎧짌뗄ퟜ샻죳몯쫽캪:뚨틥죏캪\[1\]nnn:p1-c1ꇙp2-c2;쮹뗙룱샕(Stigler1987)뗄뇈싊ꛐꇔ뚨틥퓲죏캪ꇆꛐ()))(ipiꇔꇆp(iqipi-C(ꇆq(ip)i1):pi=1i=1i=11Πc1ꇙ[2\]p2Π\c2ꆣ떱쟒뷶떱돉놾쿠뗈쪱,솽룶뚨틥뗈킧,헢샯횻쳖싛돉놾쿠춬쟩탎ꆣꆡꆡ웤훐ꛐ(lp)i캪ퟓ쫐뎡샻죳몯쫽,q(ip)iퟓ쫐뎡i뗄탨쟳ퟔ쟭ꆤ슳뇶톷몯쫽,i=1,ꆭ,Nꆣ퓚췪좫볛룱웧쫓쳵볾쿂,슢뛏뎧짌샻죳ퟮ(1933)퇐뺿죽벶웧쫓볛룱뗄닺돶럖컶틔살,뛔죽벶볛룱뗄퇐뺿튻횱퇓탸훁뷱ꆣ샯낺쳨럲듳뮯뗄쳵볾캪:(leontiefꛐꇤ333((lp)i=[(pi-Cꇤ)qꇤip)1940)쳡돶쇋볲떥떫훘튪뗄랽램늢럖컶쇋솽룶쫐뎡뗄볛룱웧i+3q()ipi]=0(2)쫓컊쳢\[3\]ꆣRichardSchmalensee(1981)횤쏷슢뛏뎧짌퓚뛀솢ꆡꆡ퓚볛룱웧쫓췪좫늻뿉쓜쟩뿶쿂,슢뛏뎧짌쯷좡춳튻뗄볛탨쟳뫍늻뇤뇟볊돉놾뗄쟩뿶쿂,죧맻춳튻뚨볛쿂뗄ퟜ닺돶킡룱샻죳ퟮ듳뮯,웤쳵볾캪:폚볛룱웧쫓뗄ퟜ닺돶nn,퓲쿠펦뗄짧믡뢣샻복짙\[4\]ꆣ맾뛻.췟샯낲ꇆꛐꇤ33(ip)=ꇆ[(p-Cꇤ)qꇤ3(ip)+3q(ip)]=0i=1i=1(HalVarian1985)틽죫늻췪좫쳗샻,럅뿭쇋뇟볊돉놾늻뇤믲뗝퓶뗄쳵볾,룸돶짧믡뢣샻퓶볓뗄돤럖쳵볾뗄랶캧\[5\]ꆣ(3)Mꆡꆡ퓚늻췪좫볛룱웧쫓쿂,슢뛏뎧짌늻쓜폐킧럖샫쫐뎡,쯹ariusSchwatz(1990)뷸튻늽횤쏷퓚죎뫎돉놾쿂,죧맻볛룱웧쫓붵뗍ퟜ닺돶,뇘떼훂ퟜ뢣샻붵뗍\[6\]ꆣ쳆킡컒폐ퟓ쫐뎡볛룱탫싺ퟣ,pi-pjꇜs,i=1,ꆭ,N,s뿉뷢쫍캪뿍(1999)룸돶쇋죽벶볛룱웧쫓뫍춳튻볛룱쿂뗄쫽솿럖컶\[7\]ꆣ뮧뮻돉놾ꆣ뿍뮧뮻돉놾랺횸탨뿍뮧횧뢶뗄틲뮻쫐뎡짏쫶컄쿗벯훐퇐뺿쇋쫐뎡뷡릹캪췢짺룸뚨뗄쟩탎쿂,뛔믲욷없뗄쿠맘돉놾ퟜ뫍,냼삨쯑톰돉놾ꆢ붻틗돉놾ꆢ퓋쫤돉놾늻춬탨쟳뫍뇟볊돉놾쿂뗄볛룱웧쫓뫍춳튻볛룱뗄닺돶뫍뢣뗈,뿉틔뾴ퟷ쫐뎡췢짺쳵볾믲헾뢮맦훆뇤솿,웤쿞뚨쇋룷ퟓ샻뗄뇈뷏뺲첬럖컶ꆣ컄쿗\[4\ꆫ쫐뎡볤뗄볛룱닮뻠,뻶뚨쇋볛룱웧쫓뗄짏쿂뇟뷧ꆣ떱s=s=]\[7\뚼]횻볙뚨룷ퟓ쫐뎡췪좫럖샫믲췪좫늻쓜럖샫,벴췪좫볛룱웧쫓뫍춳튻볛룱(쇣웧쫓m33ax(p)()i-minp)i쫇캪췪좫웧쫓,슢뛏뎧짌쯷좡풭볛;떱s솽훖쳘쫢쟩탎뷸탐럖컶,캴뛔늻췪좫볛룱웧쫓뷸탐퇐뺿,놾=0,캪췪좫컞웧쫓,슢뛏뎧짌쯷좡춳튻볛룱3p;떱0<s<s,컄룸돶죽벶볛룱웧쫓튻냣뮯럖컶ꆣ캪늻췪좫웧쫓,슢뛏뎧짌쯷좡ퟮ룟볛ps뫍ퟮ뗍볛pwꆣ퇘쾮슳뇶톷뗄쫵폯3,pi듳폚ps돆캪잿쫐뎡3,pi킡폚pw1ꆡ쒣탍돆캪죵쫐뎡3,pi듳폚pw쟒킡폚ps돆캪훐볤쫐뎡ꆣ쿠펦뗘,짨슢뛏뎧짌뛔N룶늻춬ퟓ쫐뎡릩펦ퟮ훕짌욷믲럾컱,q짨S캪잿쫐뎡뗄벯뫏,S={i|iꇊN,ps<3pi},짨W캪죵쫐i캪뗚i룶ퟓ쫐뎡뗄닺솿,Q캪ퟓ쫐뎡뗄ퟜ닺솿ꆣ늻쪧튻냣뎡뗄벯뫏,w=3{i|iꇊN,pw>pi},짨M캪훐볤쫐뎡뗄벯뫏,쫕룥죕웚:2004212212ퟷ헟볲뷩:?횾볡(1972ꆪ),쓐,룊쯠뻆좪죋,컷낲붻춨듳톧맜샭톧풺늩쪿짺,훷튪퇐뺿랽쿲캪닺튵ퟩ횯뫍뿍뮧맘쾵맜샭ꆣꆪ110ꆪ
Vol119,No14맜ꆡ샭ꆡ릤ꆡ돌ꆡ톧ꆡ놨2005쓪뗚4웚M={i|iꇊN,pwꇜ3piꇜps}ꆣ쫐뎡ퟜ닺솿캪잿ꆢ죵ꆢ훐쫐뎡떱s뇤뮯쪱,쪽(4)뫍쪽(6)뻶뚨ퟓ쫐뎡뗄볛룱짏쿂뇟뷧뗄ퟜ닺돶뗄뫍,벴Q=qs+qm+qwꆣ평폚룸뚨쫐뎡뷡릹뫍뿍ps,pw쿠펦뇤뮯,ps,pw,ꛐ뻹쫇s뗄몯쫽,쟳ꛐ맘폚s캢럖뿉뮧뮻돉놾,훐볤쫐뎡뗄볛룱뫍닺솿늻뇤,dqiΠds=0,dpiΠds뗃:=0,iꇊM,쯹틔횻뾼싇잿뫍죵솽샠ퟓ쫐뎡벴뿉ꆣ웤풼쫸뿉dꛐ=ꛐꇤdps1+ꛐꇤdpwd2(11)볲뮯캪sdsds:ꆡꆡ냑쪽(13)듺죫쪽(11),뿉뗃:ps-pw=s(4)ꆡꆡ퓚늻췪좫볛룱웧쫓쟩뿶쿂,슢뛏뎧짌뛔잿(뗍떯탔)쫐뎡dꛐ=ꛐꇤdps-ꛐꇤdps2-1=ꛐꇤd11=-ꛐꇤ2(12)sdsds쯷좡룟볛ps;뛔죵(룟떯탔)쫐뎡쯷좡뗍볛pw;뛔훐뗈떯탔쫐ꆡꆡ짏쪽횸돶뿍뮧뮻돉놾퓶볓떼훂샻죳퓶볓뗄돤럖쳵볾뎡캬돖풭볛틔ퟮ듳뮯샻죳,웤샻죳몯쫽캪:캪,잿(뗍떯탔)쫐뎡뗄뇟볊펯샻ꛐꇤ1캪헽뫍죵(룟떯탔)뗄뇟ꛐ(ps,pw)=psqs(ps)+pwqw(pw)볊펯샻ꛐꇤ2캪뢺ꆣ짨s듓킡떽듳뇤뮯,떱ꛐꇤ1<0쪱,슢뛏뎧k+ꇆ33piqi-C(Q),iꇊM(5)짌캬돖룷ퟓ쫐뎡볛룱믱뗃샻죳ퟮ듳뮯ꆣi=1웤ퟮ듳횵뗄뛾뷗쳵볾캪:2dꛐꛐꇥ11ꛐꇥ22-ꛐꇥ2122ꆡ샻죳럖컶2=0(13)dsꛐꇥ11+2ꛐꇥ12+ꛐꇥ<22놾컄믹폚샯낺쳨럲쳗샻쒣탍늢럅뿭쿞훆쳵볾[3]ꆣ늻췪ꆡꆡ죧맻냑ps,pw뾴ퟷ뛀솢뇤솿,퓲ꛐꇥ11ꛐꇥ22-ꛐꇥ212>0;ꛐꇥ11좫볛룱웧쫓샻죳ퟮ듳뮯튻뷗뛔ps뇘튪쳵볾캪쇣,뿉뗃:<0;ꛐꇥ22<0돉솢,떱C캪뇟볊돉놾뗝퓶믲쿟탔쪱,믲헟뇟볊dꛐ=ꛐꇤꛐꇤdpwdp1+2=0(6)sdp돉놾뗝복떫싺ퟣ5q2Cꇥ5qsw>ꛐꇥ5p11+ꛐꇥ22,퓲쪽(13)뫣돉솢,ss5pw웤훐ꛐꇤ1,ꛐꇤ2럖뇰캪욫떼쫽5ꛐ(ps,pw),=q+(p샻죳폐ퟮ듳횵ꆣ5pss-Cꇤ)s5qs5ꛐ(ps,pw),=q+(p5ps5pww-Cꇤ5qw)ꆣw5p3ꆡ볛룱럖컶w뛔쪽볙뚨쫐뎡뇤뮯듓췪좫컞웧쫓(s=0),떽늻췪좫볛룱웧(4)캢럖뿉뗃:쫓,퓙떽췪좫볛룱웧쫓ꆣ뛔ps-pw=s좫캢럖,뿉뗃:dpw=1(7)dpsdpsdpw-=1(냑쪽14)dsds(7)듺죫쪽(6)뿉뗃ퟮ듳뮯튻뷗쳵볾:ꛐꇤꆡꆡ쟳쪽(8)맘폚s뗄좫캢럖뿉뗃:1+ꛐꇤ2=0(8)쪽(8)횸돶룸뚨s,샻죳ퟮ듳뮯뗄쳵볾캪잿죵쫐뎡뗄뇟볊믱샻ꛐꇥdpsdpwdps11+ꛐꇥ+ꛐꇥ+ꛐꇥdpwd12sd2122=0(15)쫽솿쿠펦쿠뗈,랽쿲쿠랴ꆣ웤샻죳ퟮ듳뮯뗄뛾뷗돤럖쳵볾sdsds캪ꆡꆡ듺죫쪽(14),뿉뗃::dpsꛐꇥ12+ꛐꇥ222dꛐdp==ꛐꇥwdsꛐꇥa)11+2ꛐꇥ12+ꛐꇥ(152211+ꛐꇥ12+ꛐꇥdpw0(9)dp21+ꛐꇥ22<52pssdpsdp웤훐wꛐꇥ12+ꛐꇥ11=-:dsꛐꇥ11+2ꛐꇥ12+ꛐꇥ(15b)22ꛐꇥ52ꛐ(ps,pw)5q2sꆡꆡps,pw뇤뮯랽쿲럖뇰좡뻶폚룷ퟔ럖ퟓ뗄럻뫅ꆣps퓶볓11==2+s(pꇥ5Q5ps-Cꇤ52q)52pss52-Cp5pss뗄돤럖쳵볾캪dpsΠds캪헽,pw붵뗍뗄돤럖쳵볾캪dpwΠds캪(9a)뢺ꆣퟜ샻죳몯쫽뗄퇏룱낼탔놣횤ꛐꇥ11<0,ꛐꇥ22<0,ꛐꇥ11+ꛐꇥ52ꛐ2(pqQ222=s,pw)5q=w2+(pCꇤ5w)52ꛐꇥp12+ꛐꇥ22<0ꆣ떱뇟볊돉놾뗝퓶믲쿟탔쪱,믲뇟볊돉놾뗝복s5pw5pw-2-Cꇥ5w5pw5pw(9b)쟒Cꇥ<-1Π52Q,(15a),(15b),뫍럖ퟓ뻹캪뢺dps,>0뫍5ps5pwdsꛐꇥ12=ꛐꇥ21=-Cꇥ5qs5qw(9c)5pdpws5pw<0뫣돉솢,벴잿쫐뎡볛룱짏짽,죵쫐뎡볛룱붵뗍[8]ꆣ냑쪽ds(7)듺죫쪽(9),뿉뗃:평폚볙뚨샻죳몯쫽캪퇏룱낼,벴탨쟳몯쫽뗄쟺싊뫍뇟볊2dꛐ=ꛐꇥ11+2ꛐꇥ12+ꛐꇥ22<0(10)52ps돉놾몯쫽뗄킱싊싺ퟣ5qw:Cꇥ>(ꛐꇥ11+ꛐꇥ22)Π5qs2,퓚헢샯횻5ps5pwꆡꆡ평폚ꛐꇥ12=-Cꇥ5qs5qw,쯹틔떱뇟볊돉놾뗝퓶믲쿟탔쳖싛떥럥쟩뿶ꆣ평폚뛔ꛐꇥ5p11뫍ꛐꇥ22뗄듳킡캴횪,떱뇟볊돉놾s5pw뗝복쪱,벴ꛐꇥ12>0쪱,내(0,min(-ꛐꇥ11,-ꛐꇥ22)),쪱;믲헟뇟볊돉놾뗝복떫2Cꇥ5qs5qw>ꛐꇥ쪽(10)5ps5p11+ꛐꇥ22쪱,w(min(-ꛐꇥ11,-ꛐꇥ22),-1Π2(ꛐꇥ11ꛐꇥ22)),(-1Π2(ꛐꇥ11+ꛐꇥ22),돉솢,샻죳폐ퟮ듳횵ꆣꇞ)죽훖쟩뿶쳖싛ꆣꆪ111ꆪ
?횾볡뗈:뿍뮧뮻돉놾뛔죽벶볛룱웧쫓뗄펰쿬럖컶떱ꛐꇥ12ꇊ(0,min(-ꛐꇥ11,-ꛐꇥ22))쪱,(15a),(15b)쪽럖ퟓ닺돶복짙ꆣ웤쯻쟩탎튪틀삵폚솽룶쫐뎡뗄ퟜ쟺싊킧펦ꆣ뻹캪뢺늻맜돉놾몯쫽탎쪽,죧맻쯹폐ퟓ쫐뎡뗄탨쟳몯쫽캪쿟,럖쒸캪뢺,퓲dps>0뫍dpw<0돉솢;dsds탔,퓲웤뛾뷗떼쫽캪쇣,짏쪽뫣뗈폚쇣ꆣ듓뛸횤쏷쿟탔쫐뎡떱ꛐꇥ12ꇊ(min(-ꛐꇥ11,-ꛐꇥ22),-1Π2(ꛐꇥ11+ꛐꇥ22))쪱,쟒쿂,죽벶볛룱웧쫓ퟜ닺돶늻뇤,뗃떽쳆킡컒뗄뷡맻ꆣꛐꇥ죧맻돉놾몯쫽캪늻뇤뇟볊돉놾c,퓲짏쪽볲뮯캪:11>ꛐꇥ22쪱(15a)럖ퟓ뢺,(15b)럖ퟓ헽,럖쒸캪뢺,퓲dps>dsdQ152qsdps52qwdpwdp=-(p)+(pw0ds2s-c52pdw-c)52s,>0춬쪱돉솢;떱ꛐꇥspwdsd11<ꛐꇥ22쪱,(15a)럖ퟓ헽,(15b)럖s(18)ퟓ뢺,럖쒸캪뢺,퓲dpsdp<w0,<0춬쪱돉솢ꆣdsd퓚쿟탔탨쟳몯쫽뫍늻뇤뇟볊돉놾,s=0,춳튻볛룱,pss=pw=떱ꛐꇥ12ꇊ(-1Π2(ꛐꇥ11+ꛐꇥ22),ꇞ)쪱,ퟜ샻죳몯쫽폐뛠룶3p쪱,벴ps=3pw=p쪱,뗃떽RichardSchmalensee뗄뷡맻ꆣ벫듳횵,뇟볊돉놾뗝복늻퓙쫇볛룱퓶볓뗄뇘튪쳵볾,웤볛룱뇤뮯늻쏷좷ꆣ5ꆡ뷡싛ퟜ횮,잿죵쫐뎡볛룱뇤뮯랽쿲훷튪좡뻶폚ꛐ12,벴뇟볊돉놾컄삩햹쇋죽벶볛룱웧쫓뗄튻냣탎쪽,쿪쾸쳖싛쇋슢뛏놾뗄킱싊ꆣ잿죵쫐뎡볛룱랽쿲춬랽쿲뇤뮯,튪쟳뇟볊돉놾뗝쳵볾쿂뛠룶쫐뎡뗄볛룱뫍닺돶뇤뮯ꆣ퓚볛룱웧쫓쿂,럖컶ퟓ복뗄킱싊뫍탨쟳몯쫽뗄튻뷗뫍뛾뷗떼쫽싺ퟣ튻뚨뗄돤럖쳵쫐뎡뗄볛룱뇤뮯뗄랽쿲뫍듳킡뗄펰쿬틲쯘,늢룸돶ퟓ쫐뎡볛볾ꆣ죧맻뇟볊돉놾캪늻뇤Cꇥ=0,퓲ꛐ12캪쇣dp룱춬헇춬실뗄돤럖쳵볾;럖컶쇋펰쿬닺돶뇤뮯뗄탨쟳몯쫽쟺s,>0뫍dpwdsds싊뫍뇟볊돉놾킱싊솽룶훘튪펰쿬틲쯘ꆣ뷸튻늽뗄퇐뺿펦삩<0뫣돉솢,벴잿쫐뎡볛룱짏짽,죵쫐뎡볛룱붵뗍ꆣ햹떽ퟓ쫐뎡탨쟳쿠뮥틀삵뫍ퟜ샻죳캪뛠럥뗄튻냣쟩탎ꆣ닎뾼컄쿗4ꆡ닺돶럖컶\[1\]ꆡPhlips,\[M\].Cambridge:닺돶뇤뮯뗄돤럖쳵볾캪:dQΠds퓚쟸볤[0,s]짏뗄럻뫅ꆣCambridgeUniversityPress,1983.\[2\]ꆡ쮹뗙룱샕볛룱샭싛(뗚쯄냦)\[M\]놱.뺩:놱뺩뺭볃톧풺돶냦짧,dQd(q=s+qw+qm)5q=sdps5qdp+ww(16)dsds5psds5pwds1990.ꆡꆡ냑ꛐꇥ\[3\]ꆡLeontief,W..Limitedandunlimiteddiscrimination\[J\].Quarterly11,ꛐꇥ12,ꛐꇥ22듺죫쪽(16)뿉쟳뗃:JournalofEconomics,1940,:490ꆫ-1=ꆤds\[4\]ꆡSchmalensee,-Cꇥ5qs5qw+5ps5pwdegreediscrimination\[J\].AmericanEconomicReview,1981,:2qdpsqwdp242ꆫ(ps-Cꇤ5s)52+(pw-Cꇤ52)(17)p52sdspwds\[5\]ꆡVarian,\[J\].Americanꆡꆡ퓚늻췪좫볛룱웧쫓쿂,ퟜ닺돶뇤뮯늻쏷좷,펰쿬웤뇤뮯EconomicReview,1985,:870ꆫ875.랽쿲뗄틲쯘폐뫜뛠ꆣ웤훐볛룱뇤뮯랽쿲ꆢ탨쟳몯쫽뗄쟺싊뫍\[6\]ꆡSchwartz,:generalizing뇟볊돉놾뗄킱싊웰훘튪ퟷ폃ꆣ잿죵쫐뎡뗄볛룱퓚튻뚨뗄쳵awelfareresult\[J\].AmericanEconomicReview,1990,:125ꆫ9볾쿂1262.,뿉틔춬쪱짏짽퓶볓믲쿂붵ꆣ볲떥웰볻,뾼싇ퟮ튻냣쟩뿶,돉놾몯쫽뗄뗝복믲늻뇤뿉놣횤럖쒸캪헽,잿쫐뎡볛룱짏\[7\]ꆡ쳆킡컒.죽뛈볛룱웧쫓뗄쫽솿럖컶\[J\]맜.샭릤돌톧놨,.\[8\]ꆡNahata,B.,Ostaszewski,,..Directionofprice짽뫍죵쫐뎡붵뗍,벴dps>0뫍dpw<0ꆣdQΠds뗄럻뫅좡뻶폚changesinthird2degreepricediscrimination\[J\].AmericanEconomicdsds잿죵쫐뎡뗄ퟜ쟺싊킧펦닮ꆣReview,1990,:1254ꆫ퓚춳튻볛룱쿂뗄싛뛏틀좻돉솢,벴잿쫐뎡뗄탨쟳몯쫽뻹캪춹몯쫽,뛸죵\[9\]ꆡ맾뛻ꆤ췟샯낲.캢맛뺭볃톧(룟벶뷌돌)(뗚죽냦)\[M\]놱.뺩:뺭쫐뎡뗄탨쟳몯쫽뻹캪쿟탔믲낼몯쫽믲헟퓚탨쟳몯쫽뻹캪쿟볃뿆톧돶냦짧,1997.탔몯쫽,죵쫐뎡뗄탨쟳몯쫽뻹캪쿟탔믲낼몯쫽뗄쟩뿶쿂,ퟜꆪ112ꆪ
Vol119,No14맜ꆡ샭ꆡ릤ꆡ돌ꆡ톧ꆡ놨2005쓪뗚4웚ThirdDegreePriceDiscriminationwithCustomerSwitchingCostsHUANZhi2jian,XUXiao2li,LIHuai2zu(ManagementSchoolofXipianJiaotongUniversity,Xipian710049,China)Abstract:Thispaperanalyzestheproblemofmaximizingtheprofitofmonopolymarketundertheconsumerswitchingcondition,,:thirddegreepricediscrimination;consumerswitchingcosts;monopoly퓰죎뇠벭:탭맚쓏ꆪ113ꆪ
