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1、阅读理解（社会生活类）03七、Howeverwealthywemaybe,wecanneverfindenoughhoursinthedaytodoeverythingwewant.Economicsdealswiththisproblemthroughtheconceptofopportunitycost,whichsimplyreferstowhethersomeone'stimeormoneycouldbebetterspentonsomethingelse.Everyhourofourtimehasavalue.Foreveryhou
2、rweworkatonejobwecouldquiteeasilybedoinganother,orbesleepingorwatchingafilm.Eachoftheseoptionshasadifferentopportunitycost—namely,whattheycostusinmissedopportunities.Sayyouintendtowatchafootballmatchbuttheticketsareexpensiveanditwilltakeyouacoupleofhourstogettoandfromthesta
3、dium.Whynot,youmightreason,watchthegamefromhomeandusetheleftovermoneyandtimetohavedinnerwithfriends?This—thealternativeuseofyourcashandtime—istheopportunitycost.Foreconomists,everydecisionismadebyknowledgeofwhatonemustforgo—intermsofmoneyandenjoyment—inordertotakeitup.Bykno
4、wingpreciselywhatyouarereceivingandwhatyouaremissingouton,yououghttobeabletomakebetter-informed,morereasonabledecisions.Considerthatmostfamouseconomicruleofall:there'snosuchthingasafreelunch.Evenifsomeoneofferstotakeyououttolunchforfree,thetimeyouwillspendintherestaurantsti
5、llcostsyousomethingintermsofforgoneopportunities.Somepeoplefindtheideaofopportunitycostextremelydiscouraging:imaginespendingyourentirelifecalculatingwhetheryourtimewouldbebetterspentelsewheredoingsomethingmoreprofitableorenjoyable.Yet,inasenseit'shumannaturetodopreciselytha
6、t—weassesstheadvantagesanddisadvantagesofdecisionsallthetime.Inthebusinessworld,apopularphraseis"valueformoney."Peoplewanttheircashtogoasfaraspossible.However,anotherisfastobtaininganadvantage:"valuefortime."Thebiggestrestrictiononourresourcesisthenumberofhourswecandevoteto
7、something,sowelooktomaximizethereturnwegetonourinvestmentoftime.Byreadmgthispassageyouaregivingoverabitofyourtimewhichcouldbespentdoingotheractivities,suchassleepingandeating.Inreturn,however,thispassagewillhelpyoutothinklikeaneconomist,closelyconsideringtheopportunitycosto
8、feachofyourdecisions.58.Accordingtothepassage,theconceptof"opportunitycost"isappli
