英文版宏观经济典型例题附带答案15页

macroroeconomics1，2、3、4、abbyconsuemesonlyapples.ina year 1，redapplescost1dollarfe，green apples cost 2 dollar each， and Abby buys 10 red apples.in year2red apples cost2dollar，green apples cost 1 dollar，and Abby buys 10 green pute Abbysnominalspendingonapplesineachyear.howdositchangefromyear1to year 2？c. Using year 1 as the base year，compute Abbysrealspendingonapplesineachyear.howdositchangefromyear1to year 2？d.d.definingtheimplictprictprificedeflatorsnominalspending，computethedeflatorforeachyear.howdoesthedeflatorchangefromyear 1至是那是为了艾比babbyisequallyhappyeatingredorgreenapples.howhowhumhatherecostoflivingincreasesforabby？ 比较thisanswerstoyouranswerstoparts (a )和(d ).whatdoeshisealletteloyabouthisperarysandpaaapschepricedindex？a.According to the CPI (消费物价指数) priceshaveddoubleledb.n-spendingistotalveryofoutproducedineachyear.in y1 Andy 2，Abby buys 10 apples for $1 each，soher-spendingremainsconstantat $ 10。c.r-spendingistotalversoftalveofutoputdcuddineachyearvaldtheprisspreveriny1. in y1， the base year her-spending是her-spendingof$10.inayear2，sheconsmes 10 greenapplesthatareachatareachatareachatareachatareachatareachatareachatareachatareachataHence，Abbysrealspendingrisesfrom $ 10to $ 20d.Thus，implictpricdeflatorsugestthatprices为halfe.ifabbythinksofredapplesandgreenapplesperfectsubstitutes，thecostoflivingthiseconomyhasnotchanged .CPI、however、thecostoflivinghasdoubleled.incontrasttothecpi、theimplictprifedferethecostoflivinghashalved。Thus，the CPI，a Laspeyres index，overstetheicrecentinthecostoflivingandtdeflator，a Paasche index，understates it。thisstationofthetetdisdissussthedifferementbelasesapaschicidingsinmoredetail .5、6、supposethataneconomysproductionfunctioniscobb-douglaswithparameter。a.whatfractionsofincomedocapitalandlaborereceive？b.ppusethattheimmigrationincreasesthelaborativeforceby 10 percent .什么会在总输出中发生？ rentalpriceofcapital？ realwage？c.puppusethatagiftofcappatitathfocapatiatitafofcatitabrodesthecapitalstocyby 10 percent.whatingstotota real wage？d.pupsethathatatechnicallocaleadvancedersheveroftheparameteraby 10 percent.hatingstototaloutput？ rentalpriceofcapital？ realwage？7、ppusesthatthemondemandfunctiontakestheforma.if输出增长atrateg，atwhatratewillthedemandforarealbalancegrow (sassummingconstantnominalinterestrates )？b.whatisthecontriveofmoneyinsthiseconomy？c.ifinformationandnominalinterestratesareconstant，at what rate，if any，will velocity grow？d.howwillapermanentincreaseinthelevelofinterestratesaffectthelevelofvelocity？ howwillitaffectthesubsequentgrowthrateofvelocity？8、consideraneconomywiththefollowingcobb-douglasproductionfunction :economy has 1000 unitsofcapitalandalaborativeforceof 1000工作器。a.diredetetheequationdescriptivelabordemandintheeconomyafunctionoftherealwageandthecapitalstock .b.iftherealwagecanadjustoequilibriatelaborsupplyandlabordemand，what is the real wage？ In this equilibrium，what are employment，output，andthetotalamountearnedbyworkers？c.whowsppacesthatcongress，concenedatothewelfareoftheworkingclass pasalwarwreqiringfirmstopayworkersarealwageof1unitofoutput.howd.congresscannotdictatehowmanyworkersfirmhirethemandatedwage.giventhisfact，what are the effects of this law？ 发生了什么？e.willcongresssucceediitsgoalofhelpingtheworkclass？ Explainf.doyyoutheththisanagingaminimum-wage law？ 为什么？9、One country，a，thecapitalshareofgdpis 30 percent，theaveragegrowthinoutputis3percentperyear thedepreciationrateisabout4percentperyer and the capital-outputrateisabout 2.5.ppusesthttheproductionformationfiscobb-Douglas，以及那个国家在asteadystate。a.whatmustthesavingratebeintheinitial？parethecapital-outputratiotthegoldenrulesteadystatetothecapital-outputratiointheinitialstate .c.whatmusthesavingratebetoreachthegoldenrulesteadystate？ dosesitneedtobeincreasedordecreased？ 发生什么事了？10、Two countries、Richland and Poorland、aredescribedbythesolowgrowthmodel.havethesamecobb-douglasproductionfunction， 但是， differedifferequationquantitiesofcapitalandlabor.richland save 32 percentoftitsincome whilepoorlandsavers 10 percent.richldnhaspope per year hewerpoorlandhaspopulationgrowthof3percent.(thebenginsthisproverportenstobeappropaticationallizationdectionsofrichand nana ) bothnatio