自然垄断理论与价格管制

11121227810101Ramsey102(PriceCapRegulation)121311321531720223232426303233341113WTO200141921.6252530.1830.2230.112142001“·”199910,199750101241484715ACMC=*abcOefcOabef630Baumol,PanzarWillig1982Subadditivitynkjyj?21,jjyy,jny???kijyCyc1)()(7860009802FullyDistributedCost,FDC1020009255338%1119901984198412(Ramsey)131kkkkpcp????kkpkqk?kck????kkkkkpqdpdq///???142PriceCapRegulationppnkkk???1?1?…n?151kk=1,…n,kp,161172111811111910202010101020;320FCC2122VogelsangFinsinger23RPI—xRPIxxxxPRI—x|RPI—x|Sappington24BaronandMyersonAT&T80019962GTE20%199670%2519947191610GSM80%10%260.09/30.24/1199698.4:1.612000~3000()IDC271949197919801993:40%19932812930211.22.481.5419951.52.033143240%5WTOWTOWTO133RPI—x2regulatorylag,4—510343IP198035,36199315815919961221996119~120371451992119982219979319975419956519994619999719984388199919BP:AnUprisingintheTheoryStructure,AmericanEconomicReview,198219SamPeltman,TowardaMoreGeneralTheoryofRegulation,TheJournalofLawandEcomomics,197639(Ramsey)40;RPI—xx200041WTO,,,,WTO42FOO4344—45.—