4、 A. exactlythetypeofbehaviorthatKeynesbelievedmostfirmsexhibit.B. knownasmeetingdemand.C. inconsistentwiththekeyassumptionuponwhichthebasicKeynesianmodelisbuilt.D. freefrommenucosts. 4.IntheKeynesianmodel,itisassumedthat,whendemandforafirm'sproductchanges,thefirm: A. changespricestomee
5、tthedemand.B. changesproductionlevelstomeetthedemand.C. changespricesandproductionlevelstomeetdemand.D. changesprices,butholdsproductionlevelsconstant,tomeetthedemand. 5.Thedecisionaboutwhethertochangepricesfrequentlyorinfrequentlyisanapplicationofthe: A. principleofcomparativeadvantag
6、e.B. scarcityprinciple.C. principleofincreasingopportunitycost.D. cost-benefitprinciple. 6.Menucostsarethecostsof: A. runningarestaurant.B. changingprices.C. increasingaggregatedemand.D. changingproduction. 7.Firmsdonotchangepricesfrequentlybecause: A. therearelegalprohibitionsagainst
7、doingso.B. itiseasiertochangethequantityofcapitalusedinproduction.C. itiscostlytodoso.D. customerswillrefusetopatronizefirmsthatchangepricesfrequently. 8.Plannedaggregateexpenditureistotal: A. valueaddedintheeconomy.B. plannedspendingonfinalgoodsandservices.C. incomeofhousehol