曼昆《经济学原理》第五版宏观经济学习题答案

曼昆《经济学原理》第五版宏观经济学习题答案

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时间:2018-07-19

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1、23MEASURINGANATION’SINCOMEWHAT’SNEWINTHEFIFTHEDITION:ThereismoreclarificationontheGDPdeflator.TheCaseStudyon“WhoWinsattheOlympics?”isnowanFYIbox.LEARNINGOBJECTIVES:Bytheendofthischapter,studentsshouldunderstand:Øwhyaneconomy’stotalincomeequalsitstotalexpenditure.Øhowgrossdomest

2、icproduct(GDP)isdefinedandcalculated.ØthebreakdownofGDPintoitsfourmajorcomponents.ØthedistinctionbetweenrealGDPandnominalGDP.ØwhetherGDPisagoodmeasureofeconomicwell-being.CONTEXTANDPURPOSE:Chapter23isthefirstchapterinthemacroeconomicsectionofthetext.Itisthefirstofatwo-chapterse

3、quencethatintroducesstudentstotwovitalstatisticsthateconomistsusetomonitorthemacroeconomy—GDPandtheconsumerpriceindex.Chapter10developshoweconomistsmeasureproductionandincomeinthemacroeconomy.Thefollowingchapter,Chapter11,developshoweconomistsmeasurethelevelofpricesinthemacroec

4、onomy.Takentogether,Chapter10concentratesonthequantityofoutputinthemacroeconomywhileChapter11concentratesonthepriceofoutputinthemacroeconomy.Thepurposeofthischapteristoprovidestudentswithanunderstandingofthemeasurementandtheuseofgrossdomesticproduct(GDP).GDPisthesinglemostimpor

5、tantmeasureofthehealthofthemacroeconomy.Indeed,itisthemostwidelyreportedstatisticineverydevelopedeconomy.KEYPOINTS:·Becauseeverytransactionhasabuyerandaseller,thetotalexpenditureintheeconomymustequalthetotalincomeintheeconomy.·Grossdomesticproduct(GDP)measuresaneconomy’stotalex

6、penditureonnewlyproducedgoodsandservicesandthetotalincomeearnedfromtheproductionofthesegoodsandservices.Moreprecisely,GDPisthemarketvalueofallfinalgoodsandservicesproducedwithinacountryinagivenperiodoftime.·GDPisdividedamongfourcomponentsofexpenditure:consumption,investment,gov

7、ernmentpurchases,andnetexports.Consumptionincludesspendingongoodsandservicesbyhouseholds,withtheexceptionofpurchasesofnewhousing.Investmentincludesspendingonnewequipmentandstructures,includinghouseholds’purchasesofnewhousing.Governmentpurchasesincludespendingongoodsandservicesb

8、ylocal,state,andfederalgovernments.Netexportsequalthev

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