管理经济学作业一答案

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1、ManagerialEconomicsHOMEWORKSET#1Name:Class:Student#:(Dueday:Nextclass)Part1:1.Aperfectlycompetitivemarkethas:a)manybuyersandsellers.b)severallargebuyers.c)ameetingplaceforbuyersandsellers.d)a)andb)e)a)andc)Choose:a)Theremustbenumeroussmallbuyersandsellersfo

2、ramarkettobeperfectlycompetitive.Ameetingplaceisunnecessary.2.BoeingCorporationandAirbusIndustriesaretheonlytwoproducersoflong-rangecommercialaircraft.Thismarketisnotperfectlycompetitivebecause:a)Eachcompanyhasannualsalesover$10billion.b)Eachcompanycansigni

3、ficantlyaffectprices.c)AirbusreceivessubsidiesfromtheEuropeanUnion.d)AirbuscannotsellaircrafttotheUnitedStatesgovernment.e)Alloftheabove.Choose:b)Thecharacterofmonopolymarketiseachfirmcanaffectprices.3.Iftherealpriceofacollegeeducationhasrisenduringaperiodo

4、finflation:a)itsnominalpricehasnotchanged.b)itsnominalpricehasrisenslowerthanageneralindexofprices.c)itsnominalpricehasrisenfasterthanageneralindexofprices.d)itscurrentdollarpricehasnotchanged.e)Noneoftheaboveiscorrect.Choose:c)Whenthenominalpriceofacollege

5、educationrisesfasterthantherateofinflation,therealpriceofacollegeeducationwillrise.4.Theconstantdollarpriceofagood:a)isthesameasitsrealprice.b)isthesameasitsnominalprice.c)adjustsforinflationintheoverallpricelevel.d)b)andc)e)a)andc)Choose:e)Bydefinition,the

6、constantdollarpriceisequaltotherealprice,andbothadjustthenominalpricefortheeffectsoftheinflation.5.Thepriceofasandwichwas$0.29in1970and$0.99in1993.TheCPIwas38.8in1970and144.0in1993.The1993priceofasandwichin1970dollarsis:a)$0.08.b)$0.27.c)$0.34.d)$3.67.Choos

7、e:b)0.99/x=144/38.8x=0.276.Whichofthefollowingwouldshiftthedemandcurvefornewtextbookstotheright?a)Afallinthepriceofpaperusedinpublishingtexts.b)Afallinthepriceofequivalentusedtextbooks.c)Anincreaseinthenumberofstudentsattendingcollege.d)Afallinthepriceofnew

8、textbooks.Choose:c)non-pricedemand-determiningvariables7.Plasticandsteelaresubstitutesintheproductionofbodypanelsforcertainautomobiles.Ifthepriceofplasticincreases,withotherthingsremainingthesame,wewou