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请输入您的标题[复制]1.Thedependenceofthevarianceofrandomresidualsonthenumberoftheobservationorfactoriscalled:[单选题]*a.homoscedasticityb.heteroscedasticity(正确答案)c.multicorrelationd.autocorrelation2.Keynesianeconomicsstressed:(choose2answers)*a.thattheDepressionshouldrunitscoursetobringdownthehighcostofliving.b.theshortrun.(正确答案)c.totalspending.(正确答案)d.theself-regulatingpoweroffreemarkets.3.Underfixedexchangerate,whichoneofthefollowingstatementsiscorrect?(choose2answers)*a.Devaluationcausesariseinexport.(正确答案)b.Devaluationhasnoeffectonoutput.c.Devaluationcausesariseinoutput.(正确答案)d.Devaluationcausesadecreaseinoutput.4.Non-stationarytimeseriesincludeprocesses(choose2answers)*a.Whitenoiseb.First-orderautoregressiveprocessc.Randomwalk(正确答案)d.Serieswithatrend(正确答案)5.Long-runeconomicgrowthwillbesustainable:[单选题]*a.asthenaturalresourcescarcityandotherenvironmentalissuesarenotreallyasseriousastheyseem.b.asthereareplentyofnaturalresourcesstillleftandthesecanbeconsumedinthefuture.c.becausepollutionandurbansprawlarenotrealproblems.d.ifitcancontinueinspiteofthelimitedsupplyofnaturalresourcesandtheimpactofgrowthonenvironment.(正确答案)6.Whatisthedifferencebetweenperfectcompetitionandmonopolisticcompetition?[单选题]*a.Inperfectcompetition,firmsproduceidenticalgoods,whileinmonopolisticcompetition,firmsproduceslightlydifferentgoods.(正确答案)b.Perfectcompetitionhasbarrierstoentrywhilemonopolisticcompetitiondoesnotc.Perfectcompetitionhasnobarrierstoentry,whilemonopolisticcompetitiondoes.d.Perfectcompetitionhasalargenumberofsmallfirmswhilemonopolisticcompetitiondoesnot.7.Thedeficitarisesifastateimposinga:[单选题]*a.Minimalpriceb.Maximumpriceforacertaingood(正确答案)c.Importquotad.Averageprice8.Monetarypolicyaffectsaggregatedemandthroughchangesin:[单选题]*a.consumerandinvestmentspending.(正确答案)b.exportdemand.c.taxreceipts.d.governmentspending.9.Thepriceofclothingislikelytoincreaseasaresultof:(choose2answers)*a.Increaseindemandforclothing.(正确答案)b.Wageincreaseintextilefactories;(正确答案)c.Theemergenceofnew,moreefficientequipment;d.Increasethesupplyofclothing;10.Whatistheregressionequation(selectthewrongone)[单选题]*a.Equationbetweenoutcomeandfactorfeaturesb.Statisticalrelationshipbetweenfeatures,expressedbyamathematicalfunctionc.Anequationinwhichanendogenousvariableisafunctionofoneormoreexogenousvariablesd.Anequationinwhichanexogenousvariableisafunctionofoneormoreendogenousvariables(正确答案)11.Whichofthefollowingtypesofgovernmentregulationdoeslimitcompetitionandcreateartificialmarketpower?[单选题]*a.Alloftheabovelimitcompetitionandcreateartificialmarketpower(正确答案)b.Copyrightsc.Patentsd.Licensingregulations12.Theerrorcorrectionmodelappliesto[单选题]*a.Stationaryregressionmodelsb.Modelsforvariableswithaspatialdatatypec.Dynamicregressionmodels(正确答案)13.Stationarytimeseriesincludeprocesses:(choose2answers)*a.Whitenoise(正确答案)b.First-orderautoregressiveprocess(正确答案)c.Randomwalkd.Serieswithatrend14.Themainsourcesoftheappearanceofarandomtermintheregressionmodelare(choosethewrongone)[单选题]*a.differentfromthechosenfunctionalformofthemodel;b.Thereisnocorrectanswer(正确答案)c.errorsinmeasuringthevariablesconsideredinthemodeld.thenon-inclusioninthemodelofvariablesthatsignificantlyaffectthebehaviorofthevariablebeingexplained;15.Themainobjectiveofacompany'spricingstrategyis:(choose2answers)*a.toincreasesales;b.becompetitive.(正确答案)c.toachieveprofitability(正确答案)tobuildcustomerloyalty16.Oneoftheshortcomingsoffiscalpolicyisthat:[单选题]*a.ittakeseffectimmediately,thusitisthebestpolicytouseatcrunchtime.b.itaffectsaggregatedemandindirectlythroughtheinterestrate.c.ithassignificanttimelagswhichmakeitmoreeffective.d.ithastimelagsandsometimesitmayendupdestabilizingtheeconomyasaresultoftheselags.(正确答案)17.Economistssaythatlong-runeconomicgrowthisalmostentirelydueto:(choose2answers)*a.growthofhumancapital.(正确答案)b.ademocraticallyelectedgovernment.c.risingproductivity.(正确答案)d.abalancedbudget.18.Explained,dependentvariablesinmodelsofanytypearecalled(choose2answers)*a.lagb.effectivesign(正确答案)c.endogenous(正确答案)d.exogenous19.Whichofthefollowingmarkettypeshasallfirmssellingproductssoidenticalthatbuyersdonotcarefromwhichfirmtheybuy?[单选题]*a.monopolyb.perfectcompetition(正确答案)c.monopolisticcompetitiond.oligopoly20.ThegeneralizedLSMisusedinthecaseof(choose2answers)*a.intheresiduals,thepresenceofautocorrelation(正确答案)b.thepresenceofmulticollinearityc.heteroscedasticity(正确答案)d.thepresenceofdummyvariables21.Ifthecovariancematrixoftheregressionresidualsvectorisproportionaltotheidentitymatrix,then(choose2answers)*a.isnoheteroscedasticityofresiduals(正确答案)b.isnoautocorrelationofresiduals(正确答案)c.thereisheteroscedasticityofresidualsd.thereisautocorrelationofresiduals22.TheCentralBankaffectsinterestratesby:[单选题]*a.openmarketoperationsthatshiftthemoneysupplycurve.(正确答案)b.settingthemwithregulations.c.changingtaxrates.d.openmarketoperationsthatshiftthemoneydemandcurve.23.Variablesthattakeintoaccounttheinfluenceofqualitativefeaturesonanendogenousvariablearecalled:[单选题]*a.predetermined;b.fictitious;(正确答案)c.exogenous;d.substituting;24.Whattestsshouldbeperformedtodetectserialautocorrelationofresiduals:[单选题]*a.Studentb.Goldfeld-Quandtc.Fisherd.Durbin-Watson(正确答案)25.Investmentspendingis:[单选题]*a.spendingonproductivephysicalcapital.(正确答案)b.spendingonbonds.c.spendingonsharesofstock.d.spendingonproductivephysicalcapital,onbonds,andonsharesofstock.26.AllofthefollowingstatementsaboutmarginalbenefitarecorrectEXCEPT(choose2answers)*a.themarginalbenefitofagoodisequaltozerowhenresourceuseisefficient.(正确答案)b.themarginalbenefitofagoodisalwaysgreaterthanthemarginalcost.(正确答案)c.themarginalbenefitisthebenefitapersonreceivesfromconsumingonemoreunitofagoodorserviced.themarginalbenefitofagooddecreasesasthequantityconsumedofthegoodincreases.27.Inthepresenceofstrongmulticollinearity,theestimatesofthecoefficients(choose2answers)*a.arebiasedb.areunreliable(正确答案)c.becomeinsolvent.d.have,asarule,largestandarderrors(正确答案)28.Whichofthefollowingwouldcreateanaturalmonopoly?(choose2answers)*a.requirementofagovernmentlicensebeforethefirmcansellthegoodorserviceb.technologyenablingasinglefirmtoproduceataloweraveragecostthantwoormorefirms(正确答案)c.highinfrastructuralcostsandotherbarrierstoentryrelativetothesizeofthemarket,whichgivethelargestsupplierinanindustryanoverwhelmingadvantageoverpotentialcompetitors.d.anexclusiverightgrantedtosupplyagoodorservice(正确答案)29.Adepressionoccurswhen:[单选题]*a.theeconomicdownturnbecomesextremelydeepandprolonged.(正确答案)b.bothpricelevelandunemploymentincrease.c.bothoutputandemploymentincrease.d.outputrisesbutemploymentremainsunchanged.30.Specifythetypesofspecificationerrors(choosethewrongone)[单选题]*a.non-inclusionofasignificantvariableb.choosingthewrongfunctionalformc.inclusionofaninsignificantvariabled.measurementerrorsofthedependentvariable(正确答案)31.Economieswithhighergrowthratestendtobethosethatincreasetheir:[单选题]*a.humancapital.(正确答案)b.governmentregulation.c.consumption.d.resources.32.Thepriceelasticityofdemandmeasures(choose2answers)*a.theslopeofabudgetcurveb.theresponsivenessofthequantitydemandedtochangesinprice(正确答案)c.howsensitivethequantitydemandedistochangesinprice(正确答案)d.howoftenthepriceofagoodchanges33.Iftheexplanatoryvariablesarestrictlyfunctionallyrelated,thisiscalled[单选题]*a.partialmulticollinearityb.perfectmulticollinearity(正确答案)c.imperfectmulticollinearityd.multicollinearity34.Theparameterestimateiscalledunbiasedif:[单选题]*a.thereisnocorrectanswerb.itstheoreticalaverageiszeroc.itsvarianceisminimald.itstheoreticalaverageisequaltotheestimatedparameter(正确答案)35.Intheabsenceofaminimumwage,adecreaseinthedemandforlow-skilledlaborwill________thewageratewhenthesupplyoflow-skilledlaboris________.[单选题]*a.raise;inelasticb.raise;perfectlyelasticc.lower;inelastic(正确答案)d.lower;perfectlyelastic36.Abindingpriceceilingcreates[单选题]*a.Asurplusb.Anequilibriumc.Ashortage(正确答案)d.Ashortageorsurplusdependingonwhetherthepriceceilingissetaboveorbelowtheequilibriumprice37.Whichofthefollowingisnotacharacteristicofacompetitivemarket?(choose2answers)*a.Firmsgeneratesmallbutpositiveeconomicprofitsinthelongrun

(正确答案)b.Thegoodsofferedforsalearelargelythesamec.Firmscannotfreelyenterorexitthemarket(正确答案)d.Therearemanybuyersandsellersinthemarket38.Supposethepriceofagooddecreasesby10%andthequantitydemandedforacertainperiodoftimeincreasesby15%.Intheseconditions:[单选题]*a.thecompany'sexpensesrise.b.therevenuesearnedbyproducersincrease;(正确答案)c.therevenuesarenotinfluencedinanyway;d.therevenuesearnedbyproducersdecrease;39.Aplantoreducetheaggregatedemandandtoslowdowntheeconomyis:(choose2answers)*a.Expansionarymonetarypolicyb.Contractionarymonetarypolicy(正确答案)c.Contractionaryfiscalpolicy(正确答案)d.Expansionaryfiscalpolicy40.ThepriceoftheproductAwasreducedfrom100to90leiand,asaresult,thequantitydemandedhasincreasedfrom70to75units.Thedemandis:[单选题]*a.inelastic;(正确答案)b.cannotbedeterminedfromthegiveninformation.c.elastic;d.unitelastic;41.Marginalcostisthe:(choose2answers)*a.themaximumamountconsumersarewillingtopayforonemoreunitofagoodorservice.b.thevalueofthemostvaluablethinggivenuptoproduceonemoreunitofagoodorservice.(正确答案)c.theextrabenefitthatpeoplereceivefromproducingonemoreunitofagoodorservice.d.theopportunitycostofproducingonemoreunitofagoodorservice.(正确答案)42.TheRamseytestisusedto:[单选题]*a.testthesignificanceoftheregressionequationb.testthesignificanceoftheregressioncoefficientsc.detectspecificationerrors(正确答案)d.testautocorrelationintheresiduals43.Whichofthefollowingstatementsaboutmonopolyistrue:(choose2answers)*a.thereareseveralcompaniesproducingaspecificproduct;b.inputbarriersarelow.c.thereisonlyoneproducingcompany,andtheproductdoesnothaveclosesubstitutes;(正确答案)d.therearenocompetitorsontherelevantmarket;(正确答案)44.Underflexible-exchange-rateregime,theresponseofaneconomytoatemporaryfallinforeigndemandforitsexportsis:(choose2answers)*a.thecurrencydepreciates,andoutputincreasesinthemediumrun.(正确答案)b.thecurrencyappreciates,andoutputfalls.c.thecurrencydepreciates,andoutputfallsintheshortrun.d.thecurrencydepreciates,andoutputremainsconstant.(正确答案)45.Duringarecessionwhichofthefollowingislikelytooccur?(choose2answers)*a.Anincreaseintheunemploymentrate(正确答案)b.Adecreaseinrealwages(正确答案)c.Anincreaseinspendingd.AnincreaseintheGDPgrowthrate46.Whencomparingtheestimationqualityoftwonestedmodels,themodelwiththelowest[单选题]*a.Adjustedcoefficientofdeterminationb.AkaikiinformationcriterionAverage(正确答案)c.Valueofthedependentvariable47.SupposethatEuropeansbegintoviewtheUnitedStatesasamoreattractiveinvestmentopportunity.Whichofthefollowingislikelytobethenextseriesofevents?[单选题]*a.adepreciationofthedollar,whichwillraiseU.S.exportsb.adepreciationofthedollar,whichwillmakeEuropeansbuymoreAmericanproductsc.anappreciationofthedollar,whichwilldiscourageEuropeansfrombuyingAmericangoodsandservices(正确答案)d.adepreciationofthedollar,whichwilllowerU.S.exports48.Economistsbelievethatthebestwaytostimulateinvestmentinphysicalcapitalistoencourage:[单选题]*a.morespendingoninfrastructure.b.conservationofnaturalresources.c.higherratesofhumancapital.d.higherratesofnationalsavings.(正确答案)49.Whatcompetitivestrategyinvolvesbettingontheuniquenessoftheproduct[单选题]*a.Priceleadershipb.Costsavingsc.Focuseddifferentiationd.Differentiation(正确答案)50.Todeterminethevalueofnationalincome,itisnecessaryto:[单选题]*a.deductfromGDPtheamountofdepreciationdeductionsforagivenperiod,theamountofindirecttaxesandtheamountofgovernmentsubsidiesb.decreasethevalueofGDPbytheamountofdepreciationofusedfixedassets(正确答案)c.subtracttheamountofindirecttaxesfromthevalueofGNPd.addtheamountofstatesocialtransferpaymentstoGDP51.Oligopoliescanenduplookinglikecompetitivemarketsifthenumberoffirmsis[单选题]*a.largeandtheydonotcooperate(正确答案)b.smallandtheyallcooperatec.largeandtheyallcooperated.smallandtheydonotcooperate52.Currentlybanksareissuingpersonalloansataninterestrateof9%.Ifexpectedinflationissupposedtobe3%,then:[单选题]*a.therealinterestrateis3%andthenominalinterestrateis9%.b.therealinterestrateis6%andthenominalinterestrateis9%.(正确答案)c.thenominalinterestrateis6%andtherealinterestrateis12%.d.thenominalinterestrateis6%andtherealinterestrateis9%.53.GNPdeflator:[单选题]*a.isequaltotheratioofrealGNPtonominalGNPb.decreasesasinflationacceleratesc.equaltotheratioofnominalGNPtorealGNP(正确答案)55.Adummyvariablecantake:[单选题]*a.1b.-1c.0(正确答案)d.intherangefrom-1to155.Pointoutthemonetarypolicyinstrument:(choose2answers)FIXED*a.Quantitativeeasing(正确答案)b.AnincreaseindirecttaxesC.Acutingovernmentpurchaseofgoodsandservicesd.Open-marketoperations

(正确答案)56.Whichofthefollowingisnotacharacteristicofamonopolisticallycompetitivemarket?[单选题]*a.Manysellersb.Long-runeconomicprofits(正确答案)c.Differentiatedproductsd.Freeentryandexit57.Inordertopracticequantitativeeasing(QE)tobringdownlong-terminterestrates,theFedshould(choose2answers)*a.selllong-termsecurities.b.sellshort-termsecurities.c.buylong-termsecurities.(正确答案)d.buyshort-termsecurities.(正确答案)58.Howaretheslopecoefficientandcorrelationcoefficientrelatedinpairedregressionmodels?[单选题]*a.Haveoppositesignsb.Haveonecharacter(正确答案)c.Notrelatedinanywayd.Areequaltoeachother59.AccordingtotheKeynesianconceptofconsumerspending:[单选题]*a.consumerspendingisdirectlyrelatedtodisposableincome(正确答案)b.ifdisposableincomeincreases,consumerspendingfallsc.ifdisposableincomeincreases,theshareofsavingsincreases60.Theprincipleofaccelerationmeans:[单选题]*a.incomegrowthcausedbyinvestmentgrowthb.noneoftheanswersarecorrectc.accelerationofeconomicdevelopmentduetoincreaseddemandformeansofproductiond.investmentgrowthcausedbyanincreaseinincomeandconsumerspending(正确答案)61.Non-competitivenessandnon-exclusivityarecharacteristicsof:[单选题]*a.Normalgoodsb.Publicgoods(正确答案)c.Scarcegoodsd.Factorsofproduction62.Pricediscriminationis:[单选题]*a.Sellingthesameproductatdifferentpricestodifferentbuyers(正确答案)b.Increaseinthepriceofahigherqualityproductc.Constantpriceincreased.Settinghighpricesforconsumergoodse.Establishmentofwholesalediscounts63.The"openness"oftheindustry'seconomycanbeassessed:[单选题]*a.basedonindicatorsofinvestmentinflows,emigrationandtheintroductionofforeigntechnologiesintodomesticproductionb.basedonindicatorsoflabormigrationandcapitaloutflowc.basedonindicatorsofmobilityoffactorsofproductionandconcentrationofproductiond.exportvolumepercapitae.basedonexportquotaindicators(正确答案)64.Avalidsetis:[单选题]*a.asetofprinciplesthattheconsumerfollowswhenchoosingb.consumerplansarisingfromeconomicrealitiesc.setsofgoodsandservicesavailabletotheconsumer(正确答案)d.lotsofchoices65.Thegovernmentprovidespublicgoodsbecause:(choose2answers)*a.free-ridersmakeitdifficultforprivatemarketstosupplythesociallyoptimalquantity(正确答案)b.externalbenefitswillaccruetoprivateproducersc.privatemarketsareincapableofproducingthesetypesofgoods(正确答案)d.marketswithmarketfailuresarebetteroffwithsomegovernmentoversight66.Whenbuildingeconometricmodels,multipleregressionisusedifthenumber(selectthemissingexpression)inthemodelisgreaterthanorequaltotwo[单选题]*a.dependentvariablesb.independentvariables(正确答案)c.randomfactorsd.dependentandindependentvariables67.GDPdoesnotinclude:[单选题]*a.incomefromabroadrelatedtofactorincome(正确答案)b.productsproduceddomesticallybyforeigncapitalc.productsproduceddomesticallybynationalcapitald.tangibleandintangibleservicesprovidedwithinthecountry68.PotentialGDPismeasuredby:[单选题]*a.thevolumeofproductionthatcanbeproducedinthecountryinconditionsoffullemploymentofthepopulation(atthelevelofnaturalunemployment)b.thevolumeofproductioncorrespondingtothelevelofpotentialneedsofthepopulationandalleconomicentitiesofthecountryc.themaximumvolumeofproductionthatcanbeproducedundergiveneconomicconditionsandgivenproductionfactors(正确答案)69.Increaseinthedemandandreductionofsupplywillleadto:FIXED[单选题]*a.Decreaseinequilibriumpriceandanuncertaineffectontheequilibriumquantity.b.Decreaseinequilibriumpriceandadecreaseinequilibriumquantity;c.Increasetheequilibriumpriceandintheequilibriumquantity;d.Increasetheequilibriumpriceanduncertaineffectontheequilibriumquantity;(正确答案)70.Whatcan,otherthingsbeingequal,increasethepriceofapieceofland:[单选题]*a.noneoftheanswersarecorrectb.thepriceoflandisalwaysstablec.loweringtheinterestrate;d.increaseinannualrent;(正确答案)71.Anestimateofaparameteriscalledeffectiveif[单选题]*a.thereisnocorrectanswerb.itstheoreticalmeaniszeroc.theoreticalmeanisequaltotheparameterd.itsvarianceisminimalamongallunbiasedestimates(正确答案)72.Explicable,dependentvariablesinmodelsofanytypearecalled[单选题]*a.endogenous(正确答案)b.effectivefeaturec.exogenousd.Lag73.Standarderrorofthecoefficient(choosethewrongone):[单选题]*a.dependsonthestandarderroroftheequationb.isusedtocalculatetheconfidenceintervaloftheforecast(正确答案)c.isusedtotesttheconstraintontheregressioncoefficientis74.TheCentralBankisNOTengagedin.*a.bysettingthediscountrate(refinancingrate)b.changingthebankreserveratec.lendingtoindividuals(正确答案)d.regulationoftheamountofmoneyincirculatione.grantingloansforscientificresearch(正确答案)75.Laborproductivitygrowthcanbeattributedto:(choose2answers)*a.improvementintechnologicalprocess.(正确答案)b.anincreaseinpopulationgrowth.c.declineinuniversityattendance.d.anincreaseinthephysicalcapitalperworker.(正确答案)76.Whatisaregressionequation?FIXED[单选题]*a.Anequationinwhichanexogenousvariableisafunctionofoneormoreendogenousvariablesb.Equationbetweeneffectiveandfactorialfeaturesc.Anequationinwhichanendogenousvariableisafunctionofoneormoreexogenousvariables(正确答案)d.Statisticalrelationshipbetweenfeaturesexpressedbyamathematicalfunction7