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ID:48003130
大小:5.66 MB
页数:790页
时间:2019-07-06
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1、INTHISCHAPTERYOUWILL...LearnthateconomicsisabouttheallocationofscarceresourcesExaminesomeofthetradeoffsthatpeoplefaceLearnthemeaningofopportunitycostSeehowtousemarginalreasoningwhenmakingdecisionsDiscusshowincentivesaffectTENPRINCIPLESpeople’sbehaviorOFECONOMICSConsiderwhytradeamongpeopleor
2、ThewordeconomycomesfromtheGreekwordfor“onewhomanagesahouse-nationscanbegoodhold.”Atfirst,thisoriginmightseempeculiar.But,infact,householdsandforeveryoneeconomieshavemuchincommon.Ahouseholdfacesmanydecisions.Itmustdecidewhichmembersofthehouseholddowhichtasksandwhateachmembergetsinreturn:Whoc
3、ooksdin-ner?Whodoesthelaundry?Whogetstheextradessertatdinner?WhogetstoDiscusswhymarketschoosewhatTVshowtowatch?Inshort,thehouseholdmustallocateitsscarcere-areagood,butnotsourcesamongitsvariousmembers,takingintoaccounteachmember’sabilities,perfect,waytoefforts,anddesires.allocateresourcesLik
4、eahousehold,asocietyfacesmanydecisions.Asocietymustdecidewhatjobswillbedoneandwhowilldothem.Itneedssomepeopletogrowfood,otherpeopletomakeclothing,andstillotherstodesigncomputersoftware.Oncesoci-Learnwhatetyhasallocatedpeople(aswellasland,buildings,andmachines)tovariousjobs,determinessometre
5、ndsintheoveralleconomy34PARTONEINTRODUCTIONitmustalsoallocatetheoutputofgoodsandservicesthattheyproduce.Itmustdecidewhowilleatcaviarandwhowilleatpotatoes.ItmustdecidewhowilldriveaPorscheandwhowilltakethebus.Themanagementofsociety’sresourcesisimportantbecauseresourcesarescarcityscarce.Scarci
6、tymeansthatsocietyhaslimitedresourcesandthereforecannotpro-thelimitednatureofsociety’sduceallthegoodsandservicespeoplewishtohave.Justasahouseholdcannotresourcesgiveeverymembereverythingheorshewants,asocietycannotgiveeveryindi-vidualthehigheststandardoflivingtowhichheorshemightaspire.economi
7、csEconomicsisthestudyofhowsocietymanagesitsscarceresources.Inmostthestudyofhowsocietymanagesitssocieties,resourcesareallocatednotbyasinglecentralplannerbutthroughthescarceresourcescombinedactionsofmillionsofhouseholdsandfirms.Economiststhereforestudyhowp
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