中级宏观经济学模拟试题2
1(15points)AsweallknowChinaissufferingfrommoderateinflation.Thefollowingisabouttherelevantbasicconcept.
(oints)what'sthedefinitionofinflation,andhowtomeasure
(4points)what'sthedynamicinconsistency,andhowtosolveit
(4points)what'sthedefinitionofinflationtax,andhowtomeasure
(4points)pleasementontheinflationinChina,suchascause,solutionandsoon.
2(15points)PleaseconsiderthederivationofADschedule.
(oints)what'sthedefinitionofADcurve
(6points)graphicallyderivetheADschedulewhenthemoaryauthorityistargetingtheinterestrate.
(6points)graphicallyderivetheADschedulewhenthemoaryauthorityistargetingthemoneystock.
3(20points)Thefollowingequationsdescribeaneconomy(Thinkof,asbeingmeasuredinBillionsandasapercentage.)
(6points)Whataretheequationsthatdescribethecurve,curveandcurve
(10points)Supposethegovernmentspendingincreaseto1000,andthatmoarypolicyisacmodating,whatdoesthemoaryauthoritydo
(4points)ByhowmuchdothechangesinpolicymixaffecttheADcurve
4(20points)Supposeaneconomy,whichisatitsnaturallevel,experiencesapermanentdeclineinmarginalpropensitytoconsume.
(5points)graphicallyShow,intheSolowmodel,theeffectsofthedeclineinmarginalpropensitytoconsume.
(5points)graphicallyShow,intheframework,theeffectsofthedeclineinmarginalpropensitytoconsume.
(5points)graphicallyShow,intheframework,theeffectsofthedeclineinmarginalpropensitytoconsume.
(5points)mentonyouranswerstoparts<,4.1>,,<,4.2>,and<,4.3>
5(20points)Supposeapersonwholiveorthreeperiodsandearnsinesof30,and60inthefirsttwoperiodsoflifecycle.Therearenoearningsduringretirement.Assumetheinterestrateis0,andthelife-timeutilityis
(4points)ifthecreditmarketisopentoindividuals,determinethelevelofconsumptionforthepersonwhomaximizesthelife-timeutility.
(4points)ifthecreditmarketisclosetoindividuals,determinethelevelofconsumptionforthepersonwhomaximizesthelife-timeutility.
(8points)Supposethereisapay-as-you-gosocialsecuritysystemintheeconomy,whereby8lump-sumtaxesonthecurrentlyworkinggenerationineveryperiodareusedtofundpaymentstoretirees.Now,checkchangesinyoursolutionstoparts<,5.1>,and<,5.2>
(4points)mentontheconsumptioninChina.
6(10points)ConsiderChinaeconomywithfoursectors,that's.Forsimplicity,thinkofasautonomouoreigndemand,andbeingmeasuredasUSdollar.Thecentralbankbuysatthefixedexchangerate,andthereforeendogenouslyincreasesthemoneysupply.
(5points)Show,intheframework,theeffectsoftheincreasein.
(5points)SupposeChinaeconomyisatpotentiallevelinitially,whatistherequiredpolicytodealwiththeincreaseinUsetheframeworktoshowyourproposal.