曼昆经济学原理英文版文案加习题答案章

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1、Chapter9/Application:InternationalTrade❖1799APPLICATION:INTERNATIONALTRADEWHAT’SNEWINTHESEVENTHEDITION:AnewIntheNewsfeatureon“ThreatstoFreeTrade”hasbeenadded.LEARNINGOBJECTIVES:Bytheendofthischapter,studentsshouldunderstand:Øwhatdetermineswhetheracountryimportsorexportsagood.Øwhow

2、insandwholosesfrominternationaltrade.Øthatthegainstowinnersfrominternationaltradeexceedthelossestolosers.Øthewelfareeffectsoftariffsandimportquotas.Øtheargumentspeopleusetoadvocatetraderestrictions.CONTEXTANDPURPOSE:Chapter9isthirdinathree-chaptersequencedealingwithwelfareeconomic

3、s.Chapter7introducedwelfareeconomics:thestudyofhowtheallocationofresourcesaffectseconomicwell-being.Chapter8appliedthelessonsofwelfareeconomicstotaxation.Chapter9appliesthetoolsofwelfareeconomicsfromChapter7tothestudyofinternationaltrade,atopicthatwasfirstintroducedinChapter3.Thep

4、urposeofChapter9istousewelfareeconomicstoaddressthegainsfromtrademorepreciselythaninChapter3,whichdiscussedcomparativeadvantageandthegainsfromtrade.Thischapterdevelopstheconditionsthatdeterminewhetheracountryimportsorexportsagoodanddiscusseswhowinsandwholoseswhenacountryimportsore

5、xportsagood.Thischapterwillshowthatwhenfreetradeisallowed,thegainsofthewinnersexceedthelossesofthelosers.Becausetherearegainsfromtrade,restrictionsonfreetradereducethegainsfromtradeandcausedeadweightlossessimilartothosegeneratedbyatax.©2012CengageLearning.AllRightsReserved.Maynotb

6、escanned,copiedorduplicated,orpostedtoapubliclyaccessiblewebsite,inwholeorinpart.Chapter9/Application:InternationalTrade❖179KEYPOINTS:·Theeffectsoffreetradecanbedeterminedbycomparingthedomesticpricewithouttradetotheworldprice.Alowdomesticpriceindicatesthatthecountryhasacomparative

7、advantageinproducingthegoodandthatthecountrywillbecomeanexporter.Ahighdomesticpriceindicatesthattherestoftheworldhasacomparativeadvantageinproducingthegoodandthatthecountrywillbecomeanimporter.·Whenacountryallowstradeandbecomesanexporterofagood,producersofthegoodarebetteroff,andco

8、nsumersofthegoodareworseoff.Whena