A、scientist who wants to predict t

根据考试中心的统计分析，以下试题在2019/9/4日高考习题练习中，答错率较高，为：59%
【单选题】A、scientistwhowantstopredictthewayinwhichconsumers(消费者)willspendtheirmoneymuststudyconsumerbehavior.Hemustobtaindatabothontheresourcesofconsumersandonthemotivesthattendtoencourageordiscouragemoneyspending.Ifaneconomistwereaskedwhichofthreegroupsborrowmost--peoplewithrisingincomes,stable incomes,ordecreasingincomes--hewouldprobablyanswer,thosewithdecreasingincomes.Actuallyintheyears1947--1950,theanswerwas:peoplewithrisingincomes.Peoplewithdecreasingincomeswerenextandpeoplewithstable incomesborrowedtheleast.Thisshowsusthattr aditionalassumptions(假设)aboutearningandspendingarenotalwaysreliable.Anothertr aditionalassumptionisthatifpeoplewhohavemoneyexpectpricestogouptheywillhastentobuy.Iftheyexpectpricestogodown,theywillpostponebuying.Butr esearchsurveyshaveshownthatthisisnotalwaystr ue.Theexpectationsofpriceincreasesmaynotstimulatebuying.Onetypicalattitudewasexpressedbythewifeofamechanicinaninterviewatatimeofrisingprices."Inafewmonths,"shesaid,"we’llhavepaymoreformeatandmilk；we’llhavelesstospendonotherthings."Herfamilyhadbeenplanningtobuyanewcarbuttheypostponedthispurchase.Furthermore,theriseinpricesthathasalreadytakenplacemaybedislikedandbuyer’sresistancemaybeproduceD、Thisisshownbythefollowingtypicalcomment."Ijustd on’tpaytheseprices；theyaretoohigh."TheinvestigationsmentionedabovewerecarriedoutinAmericA、Theconditionmosthelpfultospendingappearstobepricestability.Ifpriceshavebeenstable andpeopleconsiderthattheyarereasonable,theyarelikelytobuy.Thus,itappearsthatthecommonbusinesspolicyofmaintainingstable pricesisbasedonacorrectunderstandingofconsumerpsychology.Whichofthefollowingstatementsisalwaystr ueaccordingtothesurveysmentionedinthepassageA、Consumerswillputoffbuyingthingsiftheyexpectpricestodecrease.B、Consumerswillspendtheirmoneyquicklyiftheyexpectpricestoincrease.C、Thepriceconditionhasaninfluenceonconsumerbehavior.D、Traditionalassumptionsaboutearningandspendingarereliable.
参考答案：C，答错率：59%