罗伯特·巴罗《宏观经济学：现代观点》CH03.doc

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1、ExerciseforMacroeconomicsChapter3TRUE/FALSE1.Thestandardoflivingofpeopleinacountryistheirpercapitaincome.2.Diminishingreturnstolaborimpliesthateventuallythemarginalproductoflaborwillbecomenegative.3.Themarginalproductofcapitalishowmuchoutputchangeswhencapitalincreasesbyoneunit.4.S

2、avingisincomethatisnotconsumed.5.Realsavingequalsgrossinvestment.MULTIPLECHOICE1.Worldgrowthdatashowsthatfrom1960to2000:a.theUSandotherOECDcountriesgrewatmoderaterates.c.somecountriesparticularlyEastAsiancountriesgrewrapidly.b.sub-SaharanAfricancountriesgrewatlowratesordeclined.d.

3、alloftheabove.2.Worldgrowthdatarevealsthatfrom1960to2000:a.theUSandotherOECDcountriesgrewatmoderaterates.c.somecountriesparticularlyEastAsiancountriesgrewalowratesordeclined.b.sub-SaharanAfricancountriesgrewrapidly.d.alloftheabove.3.Worldgrowthdatarevealsthatfrom1960to2000:a.theUS

4、andotherOECDcountriesstagnated.c.somecountriesparticularlyEastAsiancountriesgrewatlowornegativerates.b.sub-SaharanAfricancountriesgrewatlowornegativerates.d.alloftheabove.4.Worldgrowthdatarevealsthatfrom1960to2000:a.allcountriesgrewatsimilarrates.c.somecountriesparticularlyEastAsi

5、ancountriesgrewrapidly.b.sub-SaharanAfricancountriesgrewmoderately.d.theUSandotherOECDcountriesstagnated.5.TheUSandotherOECDcountrieshadhighlevelsofGDPperpersonin2000despitegrowingatamoderateratefrom1960to2000because:23a.ofexploitationofforeigncountries.c.theystolethewealthoflessd

6、evelopedcountries.b.theireconomieshadgrownatamoderaterateforacenturyormore.d.alloftheabove.6.IfAintheproductionfunctionY=A•F(K,L)rises,then:a.outputrisesforanylevelofKandL.c.themarginalproductofcapitalrises.b.themarginalproductoflaborrises.d.alloftheabove.7.Aintheproductionfunctio

7、nY=A•F(K,L)is:a.themarginalproductoflabor.c.themarginalproductofcapital.b.thecapitaltolaborratio(K/L).d.theleveloftechnology.8.Themarginalproductoflaboris:a.howmuchoutputrisesforwhenlaborincreasesoneunit.c.labordividedbycapital(L/K)b.capitaldividedbylabor(K/L).d.theleveloftechnolo

8、gy.9.Themarginalproductofcapitali