PrinciplesofEconomics英文学习资料.pdf

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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