쫐뎡펪쿺맋뿍쯸뚨뗄ퟷ폃믺샭햪튪ꆡ맋뿍쯸뚨쫇붻틗훐뗄웕뇩쿖쿳ꆣ싛컄춨맽맋뿍쿻럑탐캪뗄췢늿탔쟸럖쇋쿟탍쯸뚨뫍췸탍쯸뚨솽훖탎쪽,늢럖컶솽훖쯸뚨뗄ퟷ폃믺샭ꆣ맘볼듊ꆡ맋뿍쯸뚨,쿟탍쯸뚨,췸탍쯸뚨,췢늿탔ꆡꆡ튻ꆢ쯸뚨킧펦벰ퟷ폃솦믡쫜떽웤쯻맋뿍ퟷ폃뗄펰쿬,헢훖늻췪좫평웤ퟔ짭1.췢늿킧펦폫쯸뚨맘쾵쓜솦뿘훆뗄췢늿탔솦솿붫펰쿬떽룶쳥톡퓱ꆣ퓚듋맽췢늿킧펦풴폚죋퓚짧믡뺭볃믮뚯훐뗄쿠뮥솪쾵돌훐,틆돉놾뗄샛믽퓚룼듳틢틥짏뇭쿖캪뫡쿲샛뫍쿠뮥펰쿬,볙죧튻룶죋뗄짺닺믲쿻럑믮뚯쪹웤쯻믽,쯦ퟅ폃뮧쫽솿뗄퓶볓뛸퓶듳,헢훖펰쿬ퟷ폃놻쫓짧믡돉풱컞탫뢶돶듺볛뛸뗃떽뫃뒦,쓇쎴쯻뗄탐캪캪췸탍뗄,쯼쯦ퟅ맋뿍믹뒡뗄퓶듳뇭쿖돶헽랴삡킧뻍쳡릩쇋췢늿뺭볃탔;랴횮,떱튻룶죋뗄쿻럑믲짺닺펦ꆣ튻냣살쮵,떱뿍뮧좺뫍릫쮾틔튻룶뛀쳘뗄릲춬믮뚯쪹웤쯻죋쏉쫜쯰쪧뛸캴뗃떽늹뎥,벴돶쿖쇋췢샻틦ꆰ욽첨ꆱ캪뫋탄뾪햹뫏ퟷ쪱,뻍믡탎돉튻룶뺭볃늿늻뺭볃ꆣ췸싧,쪹폃듋ꆰ욽첨ꆱ뗄죋풽뛠,폃뮧듓룃짌욷훐쯹믱벯훐폚쿻럑탐캪뗄췢늿탔컊쳢:죧맻튻룶쿻럑킧펦풽듳,틆돉놾풽룟ꆣ맋뿍폫웳튵뗄뫏ퟷ쫇튻헟뗄뺭볃뻶닟뺭맽럇쫐뎡뗄쫖뛎횱뷓뗘ꆢ늻뿉뇜쏢룶뷡췸릲붨샻틦욽첨뗄맽돌,췸싧훐룷돉풱뛔헻룶뗘펰쿬쇋웤쯻쿻럑헟뗄킧폃몯쫽,늢돉캪뫳헟놾죋췸싧뗄랢햹뻟폐췆뚯솦,룷돉풱뗄샻틦튲쯦ퟅ헻룶쯹늻뿉뿘훆뗄뇤솿쪱,쓇쎴,잰헟뗄뻶닟탐캪뻍듦퓚췸싧뗄볛횵뒴퓶뛸늻뛏쳡룟ꆣ췢늿탔킧펦,웤췢늿탔킧펦냼삨솽랽쏦:뛔쯻죋뗄킧늻싛쫇쿟탍ퟷ폃뮹쫇췸탍ퟷ폃,쫇럱듦퓚ퟔ컒폃닺짺쇋믽벫펰쿬,벴랢짺쇋헽뗄췢늿탔;뛔쯻죋뗄잿뮯뗄ퟷ폃믺훆,퓚쒳훖틢틥짏랴펳쇋맋뿍쯸뚨돌킧폃닺짺쇋쿻벫뗄펰쿬,벴랢짺쇋뢺뗄췢늿탔ꆣ뛈뗄듳킡ꆣ듓놨돪뗝퓶뗄뷇뛈돶랢,컒쏇붫훘뗣뾼싇헽뗄뛾ꆢ쿟탍쯸뚨뗄ퟷ폃믺샭췢늿탔뗄쟩뿶,늢룹뻝맋뿍탐캪쫇럱듦퓚췢늿탔뿉1.쿟탔쯸뚨쿂뗄릩펦랽맦쒣뺭볃붫쯸뚨럖캪쿟탍쯸뚨뫍췸탍쯸뚨ꆣ죧맻튻룶맋뿍듓맋뿍쫽솿뗄퓶뛠쪹웳튵ퟩ횯듳맦쒣짺닺돉캪뿉뎧짌S쯹쳡릩뗄닺욷훐쯹믱뗃뗄킧폃늻뷶좡뻶폚ퟔ쓜,평듋닺짺맦쒣뺭볃킧펦ꆣ튲뻍쮵쫇,쿟탔쯸뚨뿉벺뗄탐캪,뛸쫇춬쪱쫜웤쯻맋뿍뗄펰쿬,튲뻍쫇듦퓚춨맽릩펦랽맦쒣뺭볃쪵쿖ퟔ컒잿뮯믺훆ꆣ맦쒣뺭볃췢늿킧펦뗄쟩뿶,놾컄냑헢훖쯸뚨뗄맘쾵돆횮캪췸킧펦튲돆캪쫕틦뗝퓶쿖쿳,뻟쳥풭틲뛠퇹:ꋙ춨맽탍쯸뚨ꆣ랴횮,죧맻맋뿍뇋듋횮볤늻듦퓚췢늿탔,쎿튵뮯럖릤쳡룟샍뚯킧싊;ꋚ평폚짺닺(럾컱)믮뚯듦룶맋뿍횮쯹틔놻쯸뚨풴폚맋뿍ퟔ벺뗄잰웚닺춶죫퓚늻뿉럖룮탔,쒳킩튵컱횻폐듯떽튻뚨뗄맦쒣닅룼폫뫳웚닺횮볤듦퓚뮥늹탔,폫쪹폃춬튻닺욷뗄웤폐킧싊;ꋛ맜샭죋풱쓜릻놻룼폐킧뗘샻폃;ꋜ맦쒣삩쯻맋뿍쎻폐맘쾵,놾컄냑헢훖쯸뚨돆캪쿟탍쯸뚨ꆣ듳뫳웳튵뿉닉폃룼쿈뷸뗄벼쫵룄솼믹뒡뮷뺳,뗈뗈ꆣ2.쿟탍ퟷ폃폫췸탍ퟷ폃횮럖쫐뎡뺭볃쳵볾쿂,웳튵뻶닟뇘좻틔튻뚨뗄쫐뎡탨쟳쿟탍ퟷ폃폫췸탍ퟷ폃횮럖훷튪풴폚틆돉놾뗄뿕볤샛믽킧펦ꆣ캪틀뻝,볙죧벼쫵ꆢ돉놾믲닺튵짺듦ힴ뿶뗈놣돖늻퓚쿟탍쯸뚨맘쾵훐,맋뿍횮쯹틔캬쾵폫쳘뚨뎧뇤,쓇쎴쫐뎡탨쟳솿풽듳,웳튵쪵쿖맦쒣뺭볃뗄뿉쓜짌뗄맘쾵,쫜훆폚맋뿍놾죋폫뎧짌횮볤뗄틆돉놾탔뻍풽듳ꆣ맋뿍믹뒡뗄퓶듳쪹웳튵쓜릻룼폐킧뗘뷸뗄듳킡탐풴엤훃,맦쒣놨돪뗝퓶킧펦쫇쓜릻쪵쿖뗄ꆣ,뛸폫웤쯻맋뿍컞맘,틆돉놾뗄샛믽훷튪뇭쿖퓚쪱볤닣듎짏ꆣ죧볒춥놣붡튽짺ꆢ탄샭튽짺ꆢ놣떫릩펦랽맦쒣뺭볃폐튻뚨쿞뛈(퓚늻춬탐튵훐,쿕ꆢ쮰쫕듺샭뗈탐튵ퟮ병뺭볃맦쒣늻춬),떱웳튵듯떽튻뚨맦쒣뫳,믹폚,폃뮧톡퓱쇋쒳럾컱짌ퟷ캪뫏ퟷ뛔쿳,늢폫횮붨솢뎤웚뗄뫏ퟷ맘쾵,풴폚쮫랽뗄뇋듋맦쒣뺭볃폅쫆놻돤럖췚뻲,뎬맽헢튻뗣,맦쒣늻뺭볃탅쾢뫍뫏ퟷ폤뿬,폫웤쯻죋쫇럱톡퓱룃럾컱짌쎻폐뗄뢺랴삡뻍믡웰훷떼ퟷ폃,틲듋맦쒣뺭볃뗄ퟔ컒잿첫듳맘쾵ꆣ뮯믺훆쫜떽ퟔ좻쿞훆ꆣ춨뎣,헢킩쿞훆풴폚듳맦쒣떫퓚췸탍쯸뚨훐,평폚듦퓚췢늿탔킧펦맜샭뗄삧쓑,쯦ퟅ맋뿍맦쒣뗄뷸튻늽삩듳,웳튵맜샭,맋뿍킧폃뫍틆돉놾뗄듳킡늻췪좫좡뻶폚ퟔ짭뗄믮뚯뫍볠뚽릤ퟷ돶쿖삧쓑듓뛸퓬돉맜샭럑폃쿔훸쳡룟,,뮹떱룃샠돉놾뎬맽맦쒣놨돪듸살뗄뫃뒦쪱,맦쒣뺭볃ퟷ헟볲뷩:췵ꆡ쟙,짏몣닆뺭듳톧맺볊릤짌맜샭톧풺,늩쪿ꆣ폅쫆쿻뫄듹뺡ꆣ2.쿟탍ퟷ폃쿲췸탍ퟷ폃뗄틬뮯ꆪꆪꆪ랶캧뺭볃킧
쫐뎡펪쿺펦쟳랽맦쒣뺭볃ꆣ폫뒫춳뗄릩펦랽맦쒣뺭볃쯹늻춬뗄떱솽훖믲뛠훖닺욷솪뫏퓚튻웰짺닺믲쿺쫛뇈떥쫇,탨쟳랽맦쒣뺭볃퓚맋뿍쫽솿럇뎣듳쪱튲늻믡럖뛀짺닺(쿺쫛)룼뇣틋쪱,뎧짌뿉틔쒱쟳랶캧뺭볃킧즢,쯦ퟅ맋뿍솿뗄퓶볓,뎧짌룸맋뿍듸살뗄킧폃붫늻펦ꆣ탭뛠틲쯘폐샻폚랶캧뺭볃,뛸ퟮ훘튪뗄틲쯘뻍뛏퓶잿ꆣ쫇릲춬춶죫뗄쪹폃ꆣ웳튵뿉춨맽뛠훖랽쪽쒱쟳랶캧퓚췸싧킧펦펰쿬쿂,맋뿍믹뒡폈웤훘튪,싊쿈믱뺭볃킧펦ꆣ뗃쇋듳솿맋뿍뗄웳튵,붫벤랢헽랴삡킧펦뛸쪵쿖볓뗚튻,짺닺탔웳튵춨뎣샻폃닺욷삩즢랽쪽췚뻲쯙랢햹ꆣ뛸쪧좥쇋튻뚨맋뿍믹뒡뗄뎧짌즥쪧쫐뎡럝맋뿍탨쟳뿕볤,춨맽욷없췘햹돤럖샻폃볈폐욷없볛뛮뗄쯙뛈튲쫇볓쯙뛈뗄ꆣ쎷쳘뾨럲램퓲죏캪,췸싧횵,믲춨맽닺욷뛠퇹뮯살쾸럖쫐뎡뿕볤,죧몣뛻릫쮾뛔췸싧훐쎿룶죋뗄볛횵폫N(N-1)돉헽뇈,쯦ퟅ췸퓚뇹쿤믹뒡짏쿲웤쯻볒뗧닺욷뗄퇓짬좡뗃쇋뻞듳돉싧맦쒣뗄삩듳,웤볛횵횸쫽놶퓶뎤ꆣ틲듋,폃뮧믹뒡릦ꆣ돉캪뫢솿튻룶췸싧볛횵뗄럇뎣훘튪뗄횸뇪ꆣ튻룶샭뗚뛾,퓚럾컱튵뫍쇣쫛튵훐,웳튵퓚쯸뚨맋뿍횮탔뗄폃뮧퓚톡퓱볓죫쒳룶췸싧믲릺싲쒳훖닺욷쪱,뫳,뿉춨맽ퟩ횯헻뫏펪쿺쪵쿖랶캧뺭볃킧펦ꆣ쒿잰붫뻝웤ퟶ돶에뛏,튻냣뗘,쯻쏇룼쟣쿲폚톡퓱쓇킩맦틑뺭돶쿖쇋헫뛔맋뿍뗄뛠퇹뮯탨쟳쳡릩ퟛ뫏탔럾컱쒣뷏듳,폃뮧뷏뛠뗄췸싧믲닺욷,춬쪱탂뿍뮧뗄탐캪뗄믺릹,쯻쏇쓜릻캪맋뿍쳡릩튻삿ퟓ럾컱ꆣ뇈죧퇇폖뷸튻늽잿뮯쇋췸싧뗄췢늿탔,쪹룼뛠뗄폃뮧풸틢십톷릫쮾,듓쫛쫩튵컱훰늽쿲샱욷럾컱튵췘햹,샻폃톡릺룃닺욷,쯹틔,헢훖ퟔ컒잿뮯믺훆쫇튻훖잿헟룼웤쿖폐맋뿍믹뒡뫍릵춨욽첨쪵쿖룼뛠닺욷쿺쫛ꆣ잿ꆢ죵헟룼죵뗄십첫킧펦ꆣ퓚랶캧뺭볃킧펦ퟷ폃쿂,쿟탍ퟷ폃훰늽쿲췸탍떱좻,췸싧맦쒣튲쫇튻룶훰늽샛믽뗄맽돌,늢럇ퟷ폃틬뮯,틬뮯뗄붹뗣뻍쫇욷없ꆣ늻싛쫇짺닺탔웳튻뛸뻍,쯼뗄랢햹돊쿖늻뿉쓦탔뫍슷뺶틀삵쳘헷ꆣ튵뮹쫇럾컱탔웳튵,쯻쏇뿉샻폃욷없펰쿬솦쯸뚨릩떱듦퓚뗝퓶쫕틦쪱,튻훖벼쫵뗄샺쪷닉폃싊풽룟,웤펦짌뫍맋뿍,틲캪릩펦짌뫍맋뿍뛔욷없뗄첬뛈듸폐붫살놻닉폃뗄뿉쓜탔뻍풽듳,샺쪷톡퓱믡펰쿬캴살쿔훸뗄췢늿탔킧펦,떱맋뿍죏캪쒳훖욷없횵뗃틀삵,톡퓱쓄훖벼쫵뗄룅싊,잱퓚뗄폃뮧믡쯦ퟅ늻춬벼쫵릺싲뗄죋뻍믡퓶뛠,릺싲뗄죋풽뛠,욷없뗄볛횵뻍풽뗄샛믽닉폃솿(뿍뮧믹쫽)뗄뇤뮯탞헽쯻쏇뗄풤웚ꆣ룟,폚쫇폐룼뛠뗄릩펦짌풸틢캪룃욷없뷸탐춶믲뿍뮧믹뒡쫇탂뗄쿻럑헟뻝틔톡퓱뫍에뛏튻룶췸싧뗄쳡릩엤쳗럾컱,헽랴삡뗄잿뮯믺훆틲듋닺짺쇋ꆣ펦훘튪틀뻝,떱쏦쇙솽룶맦쒣쿠떱뗄췸싧닺욷쪱,쿻럑룃힢틢뗄쫇,퓚헢룶맽돌훐,쫊펦탔풤닢뗄ퟷ폃늻죝헟풤웚뿉쓜믡떼훂솽뎧짌돶쿖뷘좻늻춬뗄뷡뻖ꆣ떱뫶쫓,쿻럑헟춨뎣믡톡퓱쯻쏇죏캪쓜릻돉릦뗄쓇킩쿻럑헟풤웚쒳훖닺욷믡쇷탐,뻍믡퓬돉톡릺룃짌욷웳튵ퟷ캪뫏ퟷ뛔쿳ꆣ뗄폃뮧퓶뛠,폚쫇쯼뻍헦뗄쇷탐웰살,쯹틔,펰쿬쿻죽ꆢ췸탍쯸뚨뗄ퟷ폃믺샭럑헟풤웚쫇늻뿉뇜쏢뗘잿폐솦뗄커웷,헢뿉틔쫓캪1.췸탍쯸뚨뗄놾훊펪쿺닟싔훐맘볼뗄맘볼ꆣ퓚췸싧훐,떱튻룶죋뗄춶폫쇭튻룶죋뗄샠쯆닎ꆡ뾼ꆡ컄ꆡ쿗춶뻟폐뮥늹탔쪱,탂맋뿍뗄볓죫뻍믡듳듳삩햹뮥1ꆡ뾨뛻ꆤ쿄욤싞ꆢ맾뛻ꆤ췟샯낲ꆶ:탅쾢맦퓲-췸싧뺭볃뗄닟싔횸떼ꆷ,늹닺뗄쫽솿ꆣ퓚췸탍맘쾵훐,쎿룶맋뿍뗄볓죫뚼헅랫틫,놱뺩:훐맺죋쏱듳톧돶냦짧,2000쓪6퓂붫룸웤쯻맋뿍듸살뫃뒦,맋뿍쫽솿풽뛠,쯻쏇듓룃닺2ꆡ쯯ꆡ.ꆰ췢늿탔뗄뺭볃럖컶벰뛔닟ꆱ,퓘폚ꆶ쓏뾪뺭볃퇐뺿ꆷ,1999욷(믲럾컱)쯹믱뗃뗄킧폃튲풽듳ꆣ췸탍쯸뚨뗄놾훊쓪뗚3웚쫇쪵쿖쇋탨쟳랽맦쒣뺭볃,헢훖킧펦틀삵폚쿻럑헟3ꆡꆰ,CompetingTechnologies,IncreasingReturns,횮볤쯹춶닺뗄뮥늹탔ꆣAndLock-InByHistoricalEventsꆱTheEconomicJournal,99듦퓚췸싧킧펦뗄쟩뿶쿂,쎿룶폃뮧쫇췸싧뗄튻(March1989),PP116-131늿럖4ꆡAlanGeggsAndPaulKlempererꆰ,Multi-PeriodCompetitionWith,쯻쏇닉폃쇋춬튻훖닺욷(믲벼쫵),뛸헢훖닺욷(믲벼쫵)듓뇭쿳짏캪늻춬폃뮧믲훕뛋쳡릩쇋붻쇷욽SwitchingCosts.ꆱEconometrica,,()첨ꆣ떼훂맋뿍놻쯸뚨뗄룹놾풭틲쫇쪹폃춬튻벼쫵뗄PP651-666.뿍뮧맦쒣,튪냚췑헢훖쯸뚨,폐듽폚쯹폐뿍뮧춬쪱뮻벼쫵ꆣ퓚튻룶뷏듳맦쒣뗄췸싧훐,벯쳥틆뗄돉TheMechanismofConsumerLock-in놾뫜룟WangQin,쎿룶죋뚼늻풸쎰쿕싊쿈뇤룼벼쫵,평듋,ퟷ캪룃닺욷쯹폐헟뗄뎧짌뻍쫷솢쇋샎늻뿉웆뗄폅쫆ꆣ쯹틔,듦퓚췸싧킧펦뗄쟩뿶쿂,뇪ힼ뺺헹뫜맘볼Abstract:Consumerlock-inisverypopularinreality.,쿈죫헟죧맻쓜릻뷏뿬믱뗃튻뚨쫽솿뗄뿍뮧믹뒡Thispaperdifferentiateslinerlock-inandnetlock-inbased,뻍뿉쓜틽랢ꆰ맶톩쟲ꆱ뗄헽랴삡킧펦ꆣonexternalityofconsumersꆯbehaviorandanalyzesthemecha22nismofthesetwotypesoflock-in..췸싧쯸뚨훐뗄탨쟳랽맦쒣뺭볃췸탍쯸뚨폫쿟탍쯸뚨ퟷ폃뗄쟸뇰퓚폚쪵쿖쇋탨Keywords:consumerlock-in,linerlock-in,netlock-in,externalityꆤꆶ짏몣맜샭뿆톧ꆷ2004쓪뗚2웚36ꆤ
