ֻ8जֻ1௹ܵ ࿐ Б 2011୍1ᄅ ሰਬ൲౻֥֡ࡹ৫ؓ۲ٚ൬ၭ֥႕ཙ࣮张 涛 庄贵军 滕文波(西安交通大学管理学院) ᅋေ:针对以往研究很少考虑厂商间横向竞争的不足,研究了某一厂商增加电子零售渠道对自身a竞争对手以及零售商收益的影响b取得以下3点主要结论:¹厂商要在产品相似度较高a电子零售渠道占有率较大的情况下开展电子零售才能提高自身收益,否则反而会降低收益;而且产品相似度和电子零售渠道占有率越高,则厂商收益增加得越多,但渠道替代度的增加会导致其收益增幅的降低bº对竞争对手,其他厂商开展电子零售总会使其收益降低,但电子零售渠道占有率的变化不会令其损失有明显变化,而且产品相似度的增加还会降低其损失b»对零售商,厂商开展电子零售总会令其收益降低,而且产品相似度a电子零售渠道占有率和渠道替代度这3个因素的提高会加剧其收益下降的速度bܱՍ:ሰਬ൲౻֡;ሰਬ൲౻֡ᅝႵੱ;Ӂཌྷර؇;౻ู֡ս؇ᇏٳোݼ:C93; ໓ངѓ്:A ໓ᅣщݼ:1672-884X(2011)01-0081-10TheIntroductionofE-tailingandItsImpactonPayoffs:ADuopolyModelZHANGTao ZHUANGGuijun TENGWenbo(,,China)Abstract:-tailingchanneltoanexistingretailingchannelaffectsthepayoffofitself,itschannelpartner(),forthemanufacturerwithane-tailingchannel,,themanufacturerwithoute-tailingchannel,,:e-tailingchannel;e-tailingmarketshare;productsubstitution;channelsubstitution ෛሢInternet֥ॹؿᅚ,ྸ؟ӌഅषᆭࡗ҂֥ྐ༏܋ཚҦؓӌഅބਬ൲അ൬ၭ[5]тਔሰਬ൲౻֡b҂ݖ,ૌषᅚሰਬ൲֥႕ཙb༱ݚလ࣮ਔࠁކਬ൲౻֡ᇏ,؋֥ൈѩໃ٢ఙ๙ݖᇏࡗഅ֥Ԯ౻֡(ࠧࠁളଁᇛ௹Ӂླ֥҂ಒקྟؓളӁഅބਬ൲[6]ކਬ൲ଆൔ)bପહӌഅྍᄹࡆ֥ሰਬ൲౻അቋႪ९թҦ֥႕ཙb྆౩ҐႨקਈ֥֡ؓఃሱദބԮਬ൲അ߶Ӂളહ႕ཙ?ؓ൭؍࣮ਔࠁކਬ൲౻֡ଆൔ༯౻֡ഈ༯Ⴓሹ[1][7]Վ,ྸ؟࿐ᆀࣉྛਔ࣮b২ೂ,YAO֩ٳ০ቋն߄֥ඔਈᅼ२ࠏᇅbݒफ֩ٳ༅༅ਔӌഅषᅚሰਬ൲ၛު,ཧ൲حᄝਆ่౻ਔࠁކ౻֡ӁളԊ֥ଽᄝჰၹ,ᄝՎࠎԤഈ֡ࡗ֥ٳбੱᄸဢ႕ཙӌഅ֥ሹ൬ၭބ൧ӆഡ࠹ਔࡎ۬ླྀטࠏᇅটࢆ֮Ԋb[2]ᅝႵੱbުটYAO֩ႻᄝՎࠎԤഈህٳ҂ݖ,ᄝၘႵ֥ࠁކਬ൲࣮ᇏ,࣮ᆀᆺ༅ਔ҂౻֡ಃ৯ࢲܒ༯,ӌഅބԮਬ൲അॉ੮ਔ౻֡ᇏ֥ሺཟࣩᆚ(ࠧӌഅაਬ൲അᆭචٚनޙࡎ۬ބ൬ၭ֥э߄,ၛࠣӌഅषᅚࡗ֥ࣩᆚ),ીႵൈॉ੮ӌഅࡗ֥ޘཟࣩᆚ[3][4]ሰਬ൲֥ൈࠏbYUE֩,GAL-OR֩ᄵ(ࣩࠧᆚӁ֥႕ཙ)bಖط,ൌ࠽ᇏਬ൲അ߶࣮ਔӌഅᄝҐႨࠁކਬ൲ଆൔၛު,ਆ่౻֡ൈԛ൲؟ᇕোӁ,২ೂӑ൧֥ଯ൬۠ರ௹:2009-10-26ࠎࣁཛଢ:ݓࡅሱಖ॓࿐ࠎࣁሧᇹཛଢ(70121001);࢝ტ҆ྍൗࡀႪྮದҌᆦӻ࠹߃(NCET-06-0853)#81#
ܵ࿐Бֻ8जֻ1௹2011୍1ᄅஇᇏ߶ൈԛགྷܻૼaa၈০֩bପહ,ೂӁ֥෮ႵӁཧ൲۳ཨٮᆀ,҂թᄝࠒbݔॉ੮ਔ౻֡ᇏ֥ޘཟࣩᆚ,ପ࣮ࢲં൞ڎཨٮᆀ࠻ॖၛᄝ2ᇕ҂இᆭࡗ࿊ᄴ,္ॖ߶აၛສࢲંႵ෮҂?Ԣਔሱദބਬ൲അၛᄝ2ᇕ҂౻֡ᆭࡗ࿊ᄴb൧ӆྐ༏൞ປಆຓ,ሰਬ൲౻֡ؓఃࣩᆚؓ൭֥൬ၭႻႵ֥౻֡ಃ৯नޙ,ٚ൞۴ऌሱദ০ၭቋહ႕ཙ?ᆃུ໙ีടࠣӌഅሱദaࣩᆚؓ൭ၛն߄֥ჰᄵটൈᇅקࡎ۬,ીႵ༵ުᆭٳbࠣචٚ܋ਬ൲അ֥ٚ൬ၭэ߄,ၹՎ҂ࣇࠧM1ᅧM2֥ؿࡎ۬w2ބRԛ൲2ᇕӁ൞ၩषᅚሰਬ൲֥ӌഅܱྏ֥,္൞ఃࣩ֥ਬ൲ࡎ۬p1ބp2,ऌՎᇅקሱ֥࠭ሰᆚؓ൭ބਬ൲അ෮ܱྏ֥bਬ൲౻֡ࡎ۬p3ބؿࡎ۬w1;M2ᅧM1ෙಖႵ၂ུ࣮ൈܱᇿਔሺཟࣩᆚބޘ֥w1ބp3ၛࠣR֥p1ap2,ऌՎᇅקሱ֥࠭[8,9][10]ཟࣩᆚ,২ೂ,CHOIaHUANG֩aCHENؿࡎ۬w2;RᄵᅧM1֥p3aw1ބM2֥w2,[11][12][13]֩aണᄆ֩ބᅦᄉ֥࣮֩bॖ൞,ᆃऌՎಒקሱ֥࠭০ॢࡗm1ބm2(ࠧp1,p2,ུ࣮ᆺܱᇿਔ౻֡ᇏӌഅაӌഅaӌഅაၹູp2=w1+m1,p3=w2+m2)bھѰᒮݖӱ[9]ᇏࡗഅၛࠣᇏࡗഅაᇏࡗഅᆭࡗ֥ܱ༢,ѩીࠧCHOI࣮ᇏ֥ԼᆰବѰᒮbႵॉ੮ሰਬ൲౻֡Ӂള֥႕ཙbᆌؓᆃ၂҂ ᄹࡆሰਬ൲౻֡భ۲ٚླࠣ൬ၭݦቀ,Ч໓ࡼ๙ݖ၂۱චܪଆট࣮౻֡ᇏඔ֥ܒࡹაनޙ֥ࢳሺཟࣩᆚაޘཟࣩᆚѩթ֥౦ঃ༯,ଖ၂ӌഅᄝᄹࡆሰਬ൲౻֡ᆭభ,౻֡ࢲܒ[9]ᄹࡆሰਬ൲౻֡భު۲ٚ൬ၭ֥э߄,ၛࠣ1(a)bҐႨCHOI֥࣮ᇏ෮ҐႨ֥ླݦӁཌྷර؇ބ౻ู֡ս؇ᆃਆᆀؓٚ൬ၭ֥ඔቔູᆃM1ބM2֥ླݦඔbھླݦ႕ཙb๙ݖؓھଆ֥ٳ༅,ॖၛ۷ധೆֹਔඔაၛສྸ؟࣮෮ҐႨ֥ླݦඔႵሢোර[8,16]ࢳᆇൌ൧ӆᇏሰਬ൲౻֥֡ቔႨ,ႵᇹႿࠁ֥ྙൔbھླݦඔ֥ऎุྙൔ:ູކਬ൲౻֡ཌྷܱં֥ປაؿᅚbM1:D1=a-bp1+A(p2-p1);M2:D2=a-bp2+A(p1-p2)b1 模型与假设 ࡌഡᄝၛສ҂ॉ੮ޘཟࣩᆚ֥ࠁކਬ൲౻࣮֡ᇏ,࣮ᆀ൞๙ݖ౻֡ࢲܒބ౻ู֡ս؇ᆃ2۱ၹটุགྷሺཟࣩᆚ֥,طᄝၛສ҂ॉ੮ሰਬ൲౻֥֡ޘཟࣩᆚ࣮ᇏ,࣮ᆀ൞๙ݖ౻֡ࢲܒބӁཌྷර؇টุགྷޘཟࣩᆚ[8,10,14,15]֥bЧ࣮ࡼᆃ2۱ٚ૫ࢲކఏট,Ⴎ1 ౻֡ࢲܒ౻֡ࢲܒaӁཌྷර؇ၛࠣ౻ู֡ս؇ᆃ3۱ᄝഈඍླݦඔᇏ,a൞2ᇕӁ֥ࠎሙၹট܋ุགྷ౻֡ᇏ֥ሺཟࣩᆚაޘཟࣩླ,b൞ࡎ۬ྟbӁ֥ླ൳֞ሱദࡎᆚbႮՎ,Ⴕೂ༯ࡌഡ:۬ބูսӁࡎ۬2۱ၹ֥႕ཙbႮӌഅ֥(1)൧ӆഈᆺႵ2۱ളӁোӁ֥ӌླݦඔॖ֤ٚ൬ၭݦඔ:അ(M1ބM2),චູࣩٚᆚؓ൭ࣜݖ၂ M1:P1b=w1D1=w1[a-bp1+A(p2-p1)];(1)۱ਬ൲അ(R)ࡼӁԛ൲۳ཨٮᆀbM1ࡼषM2:P2b=w2D2=w2[a-bp2+A(p1-p2)];(2)ᅚሰਬ൲,ޭఃཧ൲ӮЧbR:P3b=m1D1+m2D2=(p1-w1)[a-bp1+A(p2-(2)M1ބM2֥Ӂᆭࡗթᄝཌྷูս֥p1)]+(p2-w2)[a-bp2+A(p1-p2)]b(3)ܱ༢,ูս؇ູAI[0,1],AՖ0֞1іൕ2ᇕႮႿ۲ٚ൞၇ऌሱദ൬ၭቋն߄֥ଢѓӁ֥ཌྷර؇Ⴎ֮֞ۚ,ཌྷර؇ᄀۚᄵᄀౠཟটקࡎ,෮ၛM1ᄹࡆሰਬ൲౻֡ᆭభః൬Ⴟࡎࣩ۬ᆚb5P1bၭቋն߄่֥ࡱ൞=0;,M2൬ၭቋն5w1(3)ሰਬ൲ᆰཧ౻֡აԮਬ൲അ౻֡5P2bᆭࡗ္թᄝูսܱ༢,ูս؇ູBI[0,1],BՖ߄่֥ࡱ൞=0;R൬ၭቋն߄่֥ࡱ൞5w20֞1іൕਆ่౻֡ᆭࡗู֥ս؇Ⴎ֮֞ۚ,5P3b5P3b¹ูս؇ᄀۚᄵౠཟႿࡎࣩ۬ᆚb=0,=0b৳৫ٚӱቆࢳ֤:5p25p3Վຓ,ູਔࡥ߄࣮,ߎࡌഡӌഅM1ބ¹Ч࣮෮Ⴕսඔ֝ބඔᆴٳ༅नҐႨMaple(ϱЧM2֥ളӁӮЧູ0,ਬ൲അR߶ࡼM1aM2ള)টࣉྛb#82#
ሰਬ൲౻֥֡ࡹ৫ؓ۲ٚ൬ၭ֥႕ཙ࣮)))ᅦ ม ሌफ ᦨ໓ѯ~~a~~~~~(2b+A)~~¹pቆࢳ֤p1aw1aaw2aap2aap3a,ѩࡼࢲݔջೆൔ1b=p2b=,w1b=b(2Awa+32b=b)2Ab+3b(4)~ൔ(6)֤۲֥ٚनޙ൬ၭ:ࡼఃջೆൔ(1)~ൔ(3)ᇏॖ֤M1ᄹࡆሰਬP~~1a=p3D~3+w~1aD~1a,൲౻֡ᆭభ۲֥ٚनޙ൬ၭ:P~2a=w~2aD~2a,P~a2(b+A)~2a2(b+A2)1b=P~2b=2, P3b=(2A+32bb)b(2A+3b)P~~~~~~~3a=(p1-w2)D1+(p2-w2) ᄹࡆሰਬ൲౻֡ު۲ٚླࠣ൬ၭݦ2 各方收益变化的讨论ඔ֥ܒࡹაनޙ֥ࢳᄝM1ᄹࡆሰਬ൲౻֡ᆭު,౻֡ࢲܒູਔٳ༅۲ٚ൬ၭ֥э߄,ၛᄹࡆሰਬ1(b)bՎൈ,M1Ԯ౻֡ཧ൲֥Ӂა൲౻֡భ۲֥ٚ൬ၭູࠎሙ,টؓбᄹࡆሰఃሰਬ൲౻֡ཧ൲֥Ӂթᄝ౻֡ҵၳطીਬ൲౻֡ު۲֥ٚ൬ၭэ߄bऎุটඪ൞ܒᄯႵӁҵၳ;M1აM2Ԯ౻֡ཧ൲֥Ӂթ3۱ݦඔ,ؓႿM1,൞ႨM1ᄹࡆሰਬ൲౻֡ᄝӁҵၳطીႵ౻֡ҵၳ;M1ሰਬ൲౻֡ު֥नޙ൬ၭࡨಀᄹࡆభ֥नޙ൬ၭ,ၛAaBཧ൲֥ӁაM2Ԯ౻֡ཧ൲֥Ӂ࠻թᄝބHູሱэਈܒᄯݦඔ$~Ӂҵၳ္թᄝ౻֡ҵၳ,ఃཌྷᆭࡗܱ༢P1(A,B~,H)=P1a(A,B,H)-P1b(A,B,H)b[9][2]1(c)b۴ऌᆃུܱ༢,ࡼCHOIބYAO֥֩ܒᄯّ႘M2൬ၭэ߄֥ݦඔ࣮ᇏҐႨ֥ཌྟླݦඔቔྩڿުႨႿЧ$P2(A,B,H~)=P2a(A,B,H~)-P2b(A,B,H),࣮ᇏ,ྩڿު֥ླݦඔაၛສཌྷܱ࣮Ⴕၛّࠣ႘R൬ၭэ߄֥ݦඔ[17,18]ሢোර֥ྙൔbऎุླݦඔೂ༯:$P3(A,B,H~)=P3a(A,B,H~)-P3b(A,B,H),M1֥Ԯਬ൲౻֡ླݦඔ ҂ാ၂Ϯྟ,ॖഈඍ3۱ݦඔᇏa=1,D1=(1-H)a-bp1+A(p2-p1)+B(p3-p1);[9]b=1b҂ݖ,ᆃ3۱ݦඔಯಖЇݣAaBaHᆃ3 M2֥Ԯਬ൲౻֡ླݦඔ۱ሱэਈ,طݦඔ֥іղൔٳگᄖ,مҐD2=(1-H)a-bp2+A(p1-p2)+AB(p3-p2);Ⴈ๙ӈ֥࣡սඔൔ֝টࠆ֤ࣚಒ֥ࢲݔ, M1֥ሰਬ൲౻֡ླݦඔၹՎ,ᄝު૫ษંᇏҐႨܥקඔᆴ֥২ሰটٳD3=Ha-bp3+B(p1-p3)+AB(p2-p3)b༅ᆃ3۱ݦඔ֥э߄(ٳљA=,B=, ᄝھݦඔᇏ,ଖ၂ӌഅӁ֥ླԢਔ൳H=)b֞ሱദࡎ֥۬႕ཙຓ,ߎൈ൳ู֞սӁࡎಖط,ܥקඔᆴ֤ԛ֥ࢲંᆺ൞ห২,ಌك۬ၛูࠣս౻֡ᇏӁࡎ֥۬႕ཙbൔᇏHI[16]၂Ϯྟ,ູՎЧ࣮ҐႨRAJU֩෮ҐႨ֥[0,1]ູሰਬ൲౻֥֡ᅝႵੱ,ᄵHaࣼ൞[19]ٚم,ࢹՎটྩᆞބປห൹౼ᆴ౦ঃ༯֤֞ሰਬ൲౻֥֡൧ӆٺحbႮӌഅླݦඔॖ֥ࢲં,ࡼఃܼᇀ၂ϮྟࢲંbၛHؓM1൬֤۲֥ٚ൬ၭݦඔೂ༯:ၭ֥႕ཙູ২,൮༵ݦඔ$P1ᇏ֥Hູӈඔ,M1֥൬ၭݦඔPಖުၛAaBູሱэਈቓԛົ֥ݦඔཞ,ࢤ1a=w1D1+(p3-c)D3=w1[(1-H)a-bp1+A(p2-p1)+B(p3-p1)]+p3[Ha-bp3+ሢᇯࡶڿэH֥౼ᆴটቓԛۄᅦົݦඔB(p1-p3)+AB(p2-p3)];(4)ཞ,ቋު๙ݖٳ༅ᆃུݦඔཞᄝzᇠഈ֥၍ٚൔটಒקHؓM1൬ၭ֥႕ཙb M2֥൬ၭݦඔP2a=w2D2=w2[(1-H)a-bp2+A(p1-p2)+ ሰਬ൲౻֡ᅝႵੱ֥႕ཙAB(p3-p2)];(5)Hູሰਬ൲౻֥֡ᅝႵੱ,ᄵHaࣼ൞ R֥൬ၭݦඔሰਬ൲౻֥֡൧ӆٺحb༯૫A=,B=P3a=m1D1+m2D2=(p1-w1)[(1-H)a-bp1+,ၛHູሱэਈটٳ༅หקӁཌྷර؇ა౻A(p2-p1)+B(p3-p1)]+(p2-w2)[(1-H)a-ู֡ս؇༯,ٚनޙ൬ၭ֥э߄bࣜݖ࠹ෘ,bp2+A(p1-p2)+AB(p3-p2)]b(6)֤۲ٚ൬ၭэ߄ݦඔ֥ཞ(2(a)),नޙ ᄝM1ᄹࡆሰਬ൲౻֡ᆭު,M1൬ၭቋਬ൲ࡎ۬ބؿࡎ֥۬э߄(2(b)),नޙն߄่֥ࡱ൞ሱദ൬ၭݦඔؓw1ބp32۱эླ֥э߄(2(c))bႮ2(a)ॖ,ෛሢ5P1a5P1aਈ֥၂ࢨொ֝ඔ֩Ⴟਬ,ࠧ=0=0;HՖ0ᄹն֞1,M1֥൬ၭ൞ᄹࡆ֥,طᄹږ5w15p3ෛᆭঔն;M2൬ၭ൞༯ࢆ֥,ാཌྷؓ໗ק;5P2a,M2൬ၭቋն߄่֥ࡱ൞=0;R൬ၭ5w25P3a5P3a¹Վԩٚӱቆ֥ࢳ~p1aw~~~1aaw~2aap2ap3ູЇݣaabaAaBaHቋն߄่֥ࡱ൞=0=0b৳৫ٚӱ5p15p2֥گᄖ؟ཛൔ,ཋႿږಀb#83#
ܵ࿐Бֻ8जֻ1௹2011୍1ᄅR֥൬ၭ္൞༯ࢆ֥,ط༯ࢆ؇ෛᆭᄹնbݖᆃ่౻֡ܓઙ,ᆃࣼঘ֮ਔᆜ۱൧ӆ֥नޙႮ2(b)ॖ,ෛሢH֥ᄹն,۲ٚؿࡎࡎ۬,Їওਬ൲ࡎ۬ބؿࡎ۬bཌྷّ,ᄝሰ~~~~~۬(ࠧw1aaw2a)ބਬ൲ࡎ۬(p1ap2aބp3a)नෛਬ൲౻֡ᅝႵੱ(H)ࢠ֥ۚ౦ঃ༯ႄೆሰਬᆭิۚbؓՎॖቓೂ༯ࢳ:ሰਬ൲౻֡ᅝ൲౻֡,ఒြ҂сႨ֮ࡎҦ་ႄཨٮᆀ,طႵੱ(H)ޓ֥֮౦ঃ༯,ೂݔM1ႄೆሰਬ൲߶ҐႨཌྷؓࢠ֥ۚࡎ۬๙ݖᆃ่౻֡ཧ൲bᆃ౻֡,ླေၛ֥֮ࠞࡎ۬Ҍି་ႄཨٮᆀ๙ࣼ߶ᆜ۱൧ӆ֥नޙࡎ۬ิۚb2 ሰਬ൲౻֡ᅝႵੱ֥႕ཙ(A=,B=) ܱႿM1֥൬ၭd$P1ೂ2(a)෮ൕ,$P1>0>0,ࠧM1dHषᅚሰਬ൲ު,ః൬ၭᄹࡆ,طః൬ၭᄹږෛH֥ᄹնࣉ၂҄ঔնb֝ᇁᆃ၂ࢲݔ֥ჰၹ൞:ෛሢH֥ᄹն,M1Ԯਬ൲౻֥֡नޙؿࡎ۬ބሰਬ൲౻֥֡नޙࡎ۬ၛࠣM1ሰਬ൲౻֥֡नޙླ߶ิۚ(2(b)ᇏ~~~dw1adp1dD1>0,>0,2(c)ᇏ>0)bෙಖHdHdHdH֥ᄹն߶֝ᇁM1Ԯਬ൲౻֥֡नޙླ༯3 HؓႿM1൬ၭ֥႕ཙ(ၛAaBູሱэਈ) ࢆ,ॖ൞ఃᆀ֥ഈശॖၛַཨႮՎᄯӮ֥Ⴕਔࢌࠢ,ࠧݦඔཞᆜุԩႿ$P1=0֥ാbሹᆭ,4۱ၹ܋थקਔM1֥൬ၭᄹ૫ᆭഈbᆃུหྟඪૼ,थקM1൬ၭэ߄֥ࡆᆴෛH֥ᄹնطิۚbڵཟၹ(ࠧԮਬ൲౻֥֡नޙླ)Ӂള֥[16]༯૫ҐႨRAJU֥֩ቓمࡼഈඍหקིݔ,ીႵӑݖ3۱ᆞཟၹ(ࠧሰਬ൲౻֡ᆴ౦ঃ༯֤֥֞ࢲંܼ֞၂Ϯ౦ঃbࣜݖ࠹֥नޙࡎ۬ބनޙླၛࠣԮਬ൲౻֥֡नෘ,ᄝH=ൈM1൬ၭэ߄ݦඔ֥ཞೂޙؿࡎ۬)Ӂളིݔ֥ሹބ,ࠧંAaB౼ޅ3(a)෮ൕ,H౼ᆴބൈ$P1(A,B)ᆴ,M1൬ၭ֥ᄹږෛHᄹնطঔնbᆃაഈ૫ა$P1=0૫ཌྷࢌ֥౷ཌቂೂ3(b)෮ൕb֥ٳ༅ࢲݔ၂ᇁbႮ3(a)ॖ,֒H=ൈ$P1ݦඔཞಖطᆴ֤ᇿၩ֥൞,M1ᄝᄹࡆሰਬ൲౻ᄝ(A,B)૫֥ն҆ٳთնႿਬ,ᆺᄝଖུ֡ު൬ၭѩ٤ሹ൞ิ֥ۚ($P1(A,B)ა$P1=0თཬႿਬ,ࠧ$P1(A,B)֥ݦඔཞႵ၂҆ٳ૫ཌྷࢌ)b֒HބAࢠཬൈ,M1֥൬ၭཬႿ໊Ⴟ$P1=0֥૫ᆭ༯bೂݔᇯࡶᄹնHᆴ,षᅚሰਬ൲ᆭభbၹູHࢠཬ,ູਔ႓֤ཨ֤ࣼ֞ݦඔཞބ$P1=0૫ཌྷࢌ֥၂ቆ౷ٮᆀႨሰਬ൲౻֡ܓઙ,ᄵM1ࣼсྶᇅཌ,3(b)b౷ཌႷш൞M1൬ၭᄹࡆ֥ק֮ႿԮਬ൲౻֥֡ࡎ۬bᆃ၂ٚ૫ঘ֮ਔთ,ቐш൞൬ၭࡨഒ֥თb҂ुԛ,ෛሢHሱ࠭Ԯਬ൲౻֥֡ࡎ۬,ਸ਼၂ٚ૫ၹູAࢠ֥ᄹն,ݦඔ$P1(A,B)ཞ҂؎ཟഈ၍,3ཬ,๙ݖ֮ࡎఽᅝ֥M2֥൧ӆٺحႻم(b)ᇏ౷ཌაቕѓᇠຶӮ֥૫ࠒᄀটᄀཬ;֒HҀԮਬ൲౻֡ࢆࡎջট֥ാbႿᆃ၂ׄӑݖଖ၂ᆴު,ݦඔཞၘࣜބ$P1=0૫ી#84#
ሰਬ൲౻֥֡ࡹ৫ؓ۲ٚ൬ၭ֥႕ཙ࣮)))ᅦ ม ሌफ ᦨ໓ѯીႵᄝ2(a)~(c)ᇏุགྷԛট,෮ၛഈ૫֥ࢲH֥ᄹն,M2൬ၭэ߄ݦඔѯ֥ࡗэཬ,ંႋҀԉູ:M1षᅚሰਬ൲ު,ః൬ၭ๙ӈཞ໊ᇂཌྷؓႿቕѓᇠીႵૼཁ֥э߄,ݦۚႿषᅚᆭభ,ط൬ၭ֥ᄹࡆᆴෛH֥ᄹնඔཞࠎЧ໊Ⴟڸ࣍bᆃ၂ׄაభطᄹն,ᄝAބHࢠཬൈ,M1֥൬ၭ߶֮૫ٳ༅၂ᇁ,ࠧંAaB౼ޅᆴ,M2֥൬ၭሹႿषᅚሰਬ൲ᆭభb൞֮ႿM1षᅚሰਬ൲ᆭభ,ෛH֥ᄹն, ܱႿM2֥൬ၭM2൬ၭ֥э߄҂ૼཁbd$P2҂ݖ֒Hбࢠཬൈ,4(a),M2֥ാೂ2(a)෮ൕ$P2<0U0,ࠧᄝM1dH߶ෛAaB֥෪ཬطࢆ֮bᆃ൞ၹູ:¹Hࢠཬ,षᅚሰਬ൲ު,M2֥൬ၭ֮ႿM1षᅚᆭᆺႵഒඔཨٮᆀౠཟႿሰਬ൲౻֡ܓ;ºభ,ః൬ၭэ߄ཌྷؓႿM1ބR֥൬ၭэ߄Aࢠཬ,҂߶Ⴕ؟֥ཨٮᆀԛႿࡎ۬ჰၹሇটඪ҂ૼཁbఃМު֥ჰၹ൞M2नޙླ༯طܓઙM1֥Ӂ;»Bࢠཬ,ౠཟႿԮਬ൲~dD3a౻֥֡ཨٮᆀ҂߶ሇཟሰਬ൲౻֡bၛഈࢆ(2(c)ᇏ<0)෮ᄯӮ֥ാఞݺႮഈdHٚ૫,M2֥൧ӆٺحaࡎ۬ބླࢠູ~dw2a৫,Mശ֥नޙࡎַ۬ཨ(2(b)ᇏ>0)b1षᅚሰਬ൲Ӂള֥႕ཙ߶ࢠഒֹѯࠣdHM2,ၹՎM2֥ാࣼбࢠཬbႿᆃ၂ׄᄝູਔࣉ၂҄ਔࢳHؓႿM2൬ၭ֥႕ཙ,ᆃ2(a)~(c)ᇏીႵุགྷ,෮ၛഈඍٳ༅ࢲંႋҐႨაഈ૫ཌྷ֥ٚمࣉྛٳ༅,ࢲݔঔԉູ:M2֥൬ၭᄝM1षᅚሰਬ൲ᆭުሹ4(a)~(d)bႮ4ॖ,$P2(A,B)֥ݦඔཞ൞߶༯ࢆ,ാ҂߶ෛH֥ᄹնطႵૼཁ֥ᇔᄝ$P2=0૫ၛ༯,ᆃඪૼM2֥൬ၭᄝэ߄,طAaBaHᄀཬ,M2֥ാ္ࣼᄀཬbM1ᄹࡆሰਬ൲౻֡ᆭުሹ൞༯ࢆ֥bෛሢ4 HؓႿM2൬ၭ֥႕ཙ(ၛA,Bູሱэਈ) ܱႿR֥൬ၭनޙླ္֮ႿM1ᄹࡆሰਬ൲౻֡ᆭభ,~~~d$P3ࠧ2(c)ᇏD3aૼཁ֮ႿD3b,طD2aն҆ٳ౦ঃೂ2(a)෮ൕ$P3<0<0,ࠧM1षdH~༯֮ႿD2bႮႿनޙࡎ۬ބनޙླᆃ2۱ᅚሰਬ൲ު,R֥൬ၭሹ൞֮ႿM1षᅚᆭၹؓR൬ၭ֥႕ཙ൞ڵཟ,֥෮ၛR൬ၭభ,طఃാෛH֥ᄹնࣉ၂҄ঔնbᆃ൞֥༯ࢆږ؇߶ෛH֥ᄹնطঔնbၹູ,၂ٚ૫,M1֥ሰਬ൲౻֡ఽᅝਔ၂ູ҆ਔࣉ၂ܴ҄ҳHؓR൬ၭ֥႕ཙ,ҐႨٳԮਬ൲౻֥֡൧ӆٺح,طߎ֤Ԯაഈ૫ཌྷ֥ٚمটٳ༅,ࢲݔ5bႮ5ਬ൲౻֥֡नޙࡎ۬ࢆ֮,ࠧR֥नޙ০ॢ~~~~~~ॖ,ෛHᄹնݦඔཞᇯࡶཟ༯၍,ࠧંࡗm1=p2a-w1aބm2=p3a-w2aФ෪ਔbೂAaB౼ޅᆴ,R൬ၭ༯ࢆ֥ږ؇ෛH֥ᄹնطঔ~~~~2(b)෮ൕ,p2aap3aཌྷؓႿw1aaw2a໊֥ᇂေૼնbᆃაభ૫֥ٳ༅ࢲݔ၂ᇁb҂ݖݦඔ$P3~~~~~ཁ֮Ⴟp2bap3bཌྷؓႿw1baw2b໊֥ᇂ,ࠧp2a-ޚཬႿਬ,ᆃඪૼR֥൬ၭᄝM1षᅚሰਬ~~~~~~~w1a>p2b-w1b,p3a-w2a>p3b-w2b,ѩෛሢH൲ᆭުሹ൞༯ࢆ֥,ᆃ၂ׄીႵᄝ2(a)~(c)~~~~֥ᄹն,p2bap3bོ֥ੱაw1aw2a٤ӈࢤ࣍ᇏุགྷԛট,෮ၛഈඍࢲંႋھঔԉູ:R֥൬,ඪ~~ၭᄝMૼ1षᅚሰਬ൲ᆭުሹ൞༯ࢆ֥,طR֥नޙ০ॢࡗm1ބm2ᄹӉߏ(ࠧ~~ാ߶ෛH֥ᄹնطᄹնbdm1dm2ބࢤ࣍Ⴟਬ)bਸ਼၂ٚ૫,Ԯ౻֥֡dHdH#85#
ܵ࿐Бֻ8जֻ1௹2011୍1ᄅ5 HؓႿR൬ၭ֥႕ཙ(ၛAaBູሱэਈ) Ӂཌྷර؇֥႕ཙ۬ބؿࡎ֥۬э߄(6(b))aनޙླ֥Aູ2ᇕӁᆭࡗ֥ཌྷර؇,ཌྷර؇ᄀۚэ߄(6(c))bႮ6(a)ॖ,ෛሢAՖ0ᄵචٚࡎࣩ۬ᆚᄀࠗਛbH=,B=,ၛᄹն֞1,M1֥൬ၭ൞ᄹࡆ֥,طᄹږෛᆭAູሱэਈটษંٚ൬ၭ֥э߄bࣜݖ࠹ෘঔն;M2൬ၭ൞༯ࢆ֥,ാᇯࡶ෪ཬ;R֥֤۲ٚ൬ၭэ߄ݦඔ(6(a))aनޙਬ൲ࡎ൬ၭ္൞༯ࢆ֥,طാෛᆭᄹնb6 Ӂཌྷර؇֥႕ཙ(H=,B=) 6(b)ᇏ,M1ᄹࡆሰਬ൲౻֡ުӁ~~֥नޙؿࡎ۬(ࠧw1aaw2a)ބनޙਬ൲ࡎ۬~~~(p1ap2aބp3a)ෛሢA֥ᄹնط༯ࢆbᆃ൞ၹູAᄀնၩሢӁᆭࡗู֥ս؇ᄀۚ,ࡎࣩ۬ᆚᄀࠗਛ,ᆃ߶֝ᇁࡎ۬༯ࢆ ܱႿM1֥൬ၭd$P1ೂ6(a)෮ൕ,$P1>0>0,ࠧM1dAषᅚሰਬ൲ު,ః൬ၭᄹࡆ,طః൬ၭᄹږ7 AؓႿM1൬ၭ֥႕ཙ(ၛBaHູሱэਈ)ෛA֥ᄹնࣉ၂҄ঔնbᆃ൞ၹູ,ෙಖA֥ ᄹն֝ᇁሱ֥࠭ਆ่౻֥֡नޙࡎ۬༯ࢆਔҳݦඔཞ֥ᄎٚൔb7(a)ູA=ൈ~~dp1dw1aM1൬ၭэ߄ݦඔ֥ཞ,7(b)ູA҂౼(6(b)ᇏ<0,<0),൞༯ࢆ֥नޙdAdAᆴൈ$P1(A,B)ა$P1=0૫ཌྷࢌ֥౷ཌቂb~dD1ࡎ۬ಏջটनޙླ֥ิۚ(ᄝ7(a)ᇏ,ݦඔ$P1ཞႵ၂҆ٳ໊Ⴟ6(c)ᇏ>dA~$P1=0֥૫ᆭ༯,ಖطෛሢAᄹն,ݦඔ$P1dD2a~~0,>0)bႮႿनޙླD1aD2ഈശ֤бࢠ(A,B)֥ཞ҂؎ഈ၍,7(b)ᇏ౷ཌაቕѓᇠdA~~ຶӮ֥૫ࠒᄀটᄀཬb֒Aӑݖଖ၂ᆴު,ݦొ,طनޙࡎ۬p1aw1a༯ࢆ֤бࢠߏ,෮ၛඔཞၘࣜބ$P1=0૫ીႵਔࢌࠢ,ࠧݦඔनޙླิۚ෮ջট֥൬ၭӑݖनޙࡎ۬༯ࢆཞᆜุԩႿ$P1=0֥૫ᆭഈbᆃඪૼ,෮֝ᇁ֥ാbथקM1൬ၭэ߄֥2۱ڵཟၹӁളི֥ݔીഈඍࢲં൞ᄝܥקHބB༯֤ԛ֥,ಌكႵӑݖ2۱ᆞཟၹӁളི֥ݔ,ࠧંHaB౼၂Ϯྟၩၬb༯૫$P1ᇏ֥Aູӈඔ,ၛHބޅᆴ,M1൬ၭ֥ᄹږෛAᄹնطঔն,ᆃაഈ૫Bູሱэਈቔݦඔཞ,ಖުᇯࡶڿэAᆴၛܴ#86#
ሰਬ൲౻֥֡ࡹ৫ؓ۲ٚ൬ၭ֥႕ཙ࣮)))ᅦ ม ሌफ ᦨ໓ѯ֥ٳ༅ࢲݔ၂ᇁbࠧӌഅषᅚሰਬ൲ު,Ӂᅚሰਬ൲ު,R֥൬ၭሹ൞֮ႿM1षᅚᆭཌྷර؇ᄀۚ,ᄵھӌഅ൬ၭ֥ᄹږࣼᄀնbభ,طఃാෛA֥ᄹնطࣉ၂҄ঔնbᆃ ܱႿM2֥൬ၭ၂ٚ૫൞ႮႿ2ᇕӁ֥ਬ൲ࡎ۬ෛሢA֥ᄹd$P2նط۷༯ࢆ,ॖ൞ؿࡎ۬ಏ൞ၛཌྷؓೂ6(a)෮ൕ,$P2<0,>0,ࠧᄝM1~~~dAdp2adw1adp3a໗֥ੱ༯ࢆ(3(b)ᇏ,<,<षᅚሰਬ൲ުM2֥൬ၭ֮Ⴟᆭభ,ఃdAdAdA~ാෛA֥ᄹնط෪ཬbᆃМު֥ჰၹ൞:A֥ᄹdw2a),ၹՎR֥০ॢࡗm1აm2߶ෛA֥ᄹdAն֝ᇁनޙࡎ۬༯ࢆ,༯ࢆ֥नޙࡎ۬ൈնطᇯࡶ෪ཬ;ਸ਼၂ٚ૫,ෙಖླႮႿࡎ۬༯္ิۚਔनޙླ,طनޙླݦඔཌྷؓႿनࢆطิۚਔ,ॖ൞ิ֤ۚཌྷؓߏત,ᄹࡆ֥ླޙࡎ۬ݦඔটඪࢠູొ,෮ၛनޙླิۚ෮ջট֥൬ၭ҂ቀၛҀാ,ၹՎR֥൬ၭ෮ջট֥൬ၭնႿनޙࡎ۬༯ࢆ෮ᄯӮ֥ሹุഈಯಖӯ༯ࢆ൝bാbູਔࣉ၂ܴ҄ҳAؓR൬ၭ֥႕ཙ,ݦູਔࣉ၂ܴ҄ҳAؓႿM2൬ၭ֥႕ཙ,ඔ$P3ᇏAູӈඔ,ၛHބBູሱэਈቔݦඔݦඔ$P2ᇏ֥Aູӈඔ,ၛHބBູሱэਈቔཞbႮ9ॖ,ෛAᄹնݦඔཞᇯࡶཟ༯ݦඔཞbೂ8෮ൕ,ݦඔޚཬႿਬ,ཞ၍,ᆃඪૼંHaB౼હᆴ,R֥൬ၭෛAၛ٤ӈߏત֥؇ശ,ᆃၩሢM2֥൬ၭ֥ᄹնط༯ࢆ,აഈඍࢲં၂ᇁbՎຓ,ݦඔෙಖᄝM1षᅚሰਬ൲ު൳֞ਔാ,$P3ޚཬႿਬ,ᆃඪૼR֥൬ၭᄝM1षᅚሰാߏત෪ཬbᆃ၂ࢲݔაഈඍٳ༅၂ᇁ,ࠧM2ਬ൲ᆭުሹ൞༯ࢆ֥bᆃ၂ׄીႵᄝ2(a)~֥ാંᄝHaB౼ޅᆴൈ൞ෛA֥ᄹնط(c)ᇏุགྷԛট,෮ၛഈඍࢲંႋھঔԉູ:R෪ཬ֥b֥൬ၭᄝM1षᅚሰਬ൲ᆭުሹ൞༯ࢆ֥, ܱႿR֥൬ၭطാ߶ෛA֥ᄹնط࿃ᄹնbd$P3ೂ6(a)෮ൕ,$P3<0,<0,ࠧM1ष ౻ู֡ս؇֥႕ཙ߄(10(b)),नޙླ֥э߄(10Bᆷਆ่౻֥֡ཌྷูսӱ؇,ูսӱ؇(c))bႮ10(a)ॖ,ෛሢBՖ0ᄹն֞1,ᄀۚ,ఃӁࡎࣩ۬ᆚࣼᄀࠗਛb༯૫A=M1֥൬ၭ൞ᄹࡆ֥,ᄹږෛᆭ෪ཬ;M2൬ၭ൞༯ࢆ֥,ാીႵૼཁэ߄;R֥൬ၭ္൞,H=,ၛBູሱэਈটษંٚ൬ၭ֥э߄bࣜݖ࠹ෘ֤ٚ൬ၭэ߄ݦඔ֥ཞ༯ࢆ֥,طാෛᆭᄹնb~~10(b)ᇏ,p2ބp3ෛB֥ᄹնطᇯࡶࢤ(10(a)),नޙਬ൲ࡎ۬ބؿࡎ֥۬э#87#
ܵ࿐Бֻ8जֻ1௹2011୍1ᄅ~࣍Ⴟp1bᆃ൞ၹູBᄀն,Ԯਬ൲౻֡ބ൲ࡎ۬აሰਬ൲౻ࣩ֡ᆚbൈ,Rູਔቋնሰਬ൲౻ู֥֡սྟᄀ఼,ᄝሰਬ൲౻֡ࡎཋ؇ֹࢆ֮ሱദ֥ാ,္࣐ࣼ৯֮Ӂ֥~~֮۬ႿԮਬ൲౻֡ࡎ۬ൈ,R҂֤҂ࢆ֮ਬؿࡎ۬,֝ᇁؿࡎ۬w1a,w2aᇯࡶࢆ֮b10 ౻ู֡ս؇֥႕ཙ(A=,H=) ܱႿM1֥൬ၭ ܱႿM2֥൬ၭd$P1d$P2ೂ10(a)෮ൕ,$P1>0<0,ࠧM1ೂ10(a)෮ൕ,$P2<0,U0,ࠧM1षdBdBषᅚሰਬ൲ު,ః൬ၭᄹࡆ,ః൬ၭᄹږෛᅚሰਬ൲ު,M2֥൬ၭ֮ႿM1षᅚሰਬB֥ᄹնط෪ཬb࣮ఃჰၹ,၂ٚ૫൞ႮႿM1൲ᆭభ,ః൬ၭ֥э߄ཌྷؓႿM1ބR൬ၭ֥~ሰਬ൲౻֥֡नޙࡎ۬p1э߄٤ӈཬ(10э߄টඪ҂ૼཁbM2൬ၭэ߄҂ն֥ჰၹ൞:B~dp1~֥ᄹնෙಖᄯӮਔM2नޙؿࡎ֥۬༯ࢆ((b)ᇏU0),طD1ݦඔཞഈശбࢠߏ,ᆃdB~dw2a10(b)ᇏ<0),ॖ൞ಏิۚਔनޙླ(10֤M1Ֆሰਬ൲౻֡ࠆ֤֥൬ၭࢠഒbਸ਼dB~~၂ٚ૫,M1Ԯਬ൲౻֥֡w2aෛB༯ࢆࢠॹ,dD3a~(c)ᇏ>0),ਆᆀఞݺཌྷַཨ,ᆃM2൬dBॖD2aෛBഈശߏ,ᆃ֤M1ᄝԮਬ൲౻֡ၭэ߄҂ૼཁbാࢠ؟bᆃ2۱ٚ૫֥܋ቔႨM1ሹุ൬ູਔࣉ၂ܴ҄ҳBؓႿM2൬ၭ֥႕ཙ,ၭࣼӯߏ֥༯ࢆ൝bݦඔ$ູਔࣉ၂ܴ҄ҳBؓM1൬ၭ֥႕ཙ,ݦP2ᇏ֥Bູӈඔ,ၛHބູູሱэਈቔݦඔඔ$P1ᇏ֥Bູӈඔ,ၛHބAູሱэਈቔݦඔཞbՖ12ᇏ҂ुԛ,ݦඔޚཬႿਬ,ෛཞb֒B=ൈ,ݦඔ$P1ཞႵ၂ཬ҆ٳ໊ႿB֥ᄹնѯ֥ࡗэཬ,ཞ໊ᇂཌྷؓႿቕѓ$P1=0֥૫ᆭ༯(11(a))bෛB֥ᄹն,ᇠીႵૼཁ֥э߄,ݦඔཞࠎЧ໊Ⴟݦඔ$P1(A,B)ཞၛ٤ӈߏત֥؇༯၍,ڸ࣍bᆃၩሢM2֥൬ၭෙಖᄝM1(b)ᇏ౷ཌაቕѓᇠຶӮ֥૫ࠒᄀটᄀնbᆃၩषᅚሰਬ൲ު༯ࢆਔ,ѩીႵෛB֥ᄹնࣉሢM1ંᄝAaH౼હᆴ,ః൬ၭෛBᄹࡆ၂҄ঔն,ᆃ၂ׄაഈඍٳ༅၂ᇁbࠧંAaH֤ᄀটᄀཬ,ᆃაഈඍٳ༅ࢲݔ၂ᇁbࠧӌഅष౼ޅᆴ,M2֥൬ၭሹ൞֮Ⴟषᅚሰਬ൲ᆭభ,ᅚሰਬ൲ު,౻ู֡ս؇ᄀۚ,ᄵ൬ၭᄹږࣼാીႵෛB֥ᄹնؿളૼཁэ߄bᄀཬ ܱႿR֥൬ၭd$P3ೂ10(a)෮ൕ,$P3<0,<0,ࠧM1षdBᅚሰਬ൲,ުR֥൬ၭሹ൞֮Ⴟᆭభ,طః~ാෛB֥ᄹնطࣉ၂҄ঔնbᆃ൞ႮႿw1ބ~~~w2֥༯ࢆ؇бp2ބp3֥༯ࢆ؇ߏત,෮ၛ~~~~d(p2a-w1a)R֥০ॢࡗm1ބm2ᇯࡶ෪ཬ(ࠧdB~~d(p3a-w2a)~~ބཬႿਬ)bෙಖp2ap3֥༯ࢆջdB~~11 BؓႿM1൬ၭ֥႕ཙ(ၛAaHູሱэਈ)টD2ބD3֥ഈശ,҂ቀၛҀࡎ۬༯ࢆջট֥ാb#88#
ሰਬ൲౻֥֡ࡹ৫ؓ۲ٚ൬ၭ֥႕ཙ࣮)))ᅦ ม ሌफ ᦨ໓ѯູਔࣉ၂ܴ҄ҳBؓR൬ၭ֥႕ཙ,ݦඔޚཬႿਬ,ඪૼR֥൬ၭሹ൞֮ႿM1षᅚሰ$P3ᇏ֥Bູӈඔ,ၛAބHູሱэਈቔݦඔਬ൲ᆭభbᆃ၂ׄીႵᄝ10(a)~(c)ᇏіགྷཞbೂ13෮ൕ,ෛBᄹնݦඔཞᇯࡶཟ༯ԛট,෮ၛభ૫֥ࢲંႋھঔԉູ:R֥൬ၭᄝ၍,ඪૼંAaH౼ޅᆴ,R֥ാሹ൞ෛB֥M1षᅚሰਬ൲ᆭުሹ൞༯ࢆ,֥طാෛBᄹնطঔն,ᆃაഈඍٳ༅၂ᇁbՎຓ,ݦඔ$P3֥ᄹնطঔնb3 研究结果的理论意义及启示ܪଆটбࢠ2۱ູࣩᆚᆀ֥ӌഅބ1۱ਬ൲അٚ൬ၭᄝ1۱ӌഅᄹࡆሰਬ൲౻֡ ંၩၬభު֥э߄,҂ٳ༅ਔӌഅބਬ൲അ֥൬ၭᄝ൬ၭ൞Ч࣮֥ނྏэਈ,္൞ၛສཌྷܱႄೆሰਬ൲భު֥҂,طٳ༅ਔޘཟࣩᆚ࣮֥ނྏэਈᆭ၂bᄝၛສ࣮ᇏ,࣮ᆀᇶေؓ൭֥൬ၭభު֥э߄bЧ࣮ᄝંഈؓؓ҂౻֡ಃ৯ࢲܒ༯ӌഅބਬ൲അ֥൬ၭࣉሰਬ൲ཌྷܱ࣮֥ࣉі1bྛбࢠbЧ࣮ၛ౻֡ಃ৯नޙູభิ,ҐႨචі1 Ч࣮ᇶေࢲંؓሰਬ൲ંཌྷܱ࣮֥ࣉؓषᅚሰਬ൲ӌഅ൬ၭ֥႕ཙࣩؓᆚؓ൭൬ၭ֥႕ཙؓචٚ܋ਬ൲അ൬ၭ֥႕ཙၘႵ࣮Ч࣮ၘႵ࣮Ч࣮ၘႵ࣮Ч࣮ሰਬ൲౻֥֡ᆞཟ[1,3]ᆞཟ,ෛHᄹնطᄹնໃؿགྷڵཟ,҂߶ෛHᄹնڵཟ[2,3]ڵཟ,ෛHᄹնطᄹն൧ӆٺح(H)طႵૼཁэ߄Ӂཌྷර؇(A)ໃؿགྷᆞཟ,ෛAᄹնطᄹնໃؿགྷᆞཟ,ෛAᄹնطᄹնໃؿགྷڵཟ,ෛAᄹնطᄹն౻ู֡ս؇(B)ໃؿགྷڵཟ,ෛBᄹնطᄹնໃؿགྷڵཟ,҂߶ෛBᄹնໃؿགྷڵཟ,ෛBᄹնطᄹնطႵૼཁэ߄ (1)关于电子零售渠道占有率(H) Ч࣮(2)关于产品相似度(A)和渠道替代度(B)ؿགྷᄝචܪଆ༯,ᆺႵ၂۱ӌഅषᅚ Ч࣮ؿགྷᄝචܪଆ༯,Aؓ2۱ӌഅሰਬ൲,ંHնཬ,ھӌഅሹିิۚሱദ൬֥൬ၭႵᆞཟ႕ཙ,طෛAᄹնط൬ၭ֥ᄹၭ,طਬ൲അ൬ၭሹ൞߶൳,ᆃაֆܪଆږঔն;ؓਬ൲അ֥൬ၭႵڵཟ႕ཙ,طෛA[2,3]༯֥࣮ࢲં၂ᇁb҂ݖ,Ч࣮Ⴕྍؿᄹնطാࣉ၂҄ঔնbB֥ؓٚ൬ၭ႕ཙགྷ:¹ࣩᆚᆀ֥൬ၭෙಖ֮Ⴟषᅚሰਬ൲ᆭ൞ڵཟ֥,طෛBᄹն,ӌഅބਬ൲അ֥భ,ఃэ߄აHܱ༢҂ն;ºषᅚሰਬ൲֥ാ္ࣉ၂҄ঔնb๙ݖؓၛສ࣮֥߭ܤ,ໃӌഅ൬ၭ֥ᄹږބਬ൲അ֥ാაHႵ:ܱHؿགྷႵದ࣮ᄝᄹࡆሰਬ൲౻֡ު,ᆃ2۱ᄀն,ӌഅ൬ၭᄹږᄀն,ਬ൲അാᄀնbၹؓႿ۲ٚ൬ၭ֥႕ཙb#89#
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