ΠΑΡΑΓΩΓΙΚΟΤΗΤΑ - mba.teipir.gr
PRODUCTIVITYSuppose that a company produced 300 standard bookcases last week using eight workers and
PRODUCTIVITY 1. Supposethatacompanyproduced300standardbookcaseslastweekusingeightworkersandit produced240standardbookcasesthisweekusingsixworkers.Inwhichperiodwasproductivity higher?Explain. 2. Themanagerofacrewthatinstallscarpetinghastrackedthecrew'soutputoverthepastseveralweeks, obtainingthesefigures: CrewSize Yards Installed Week 1 4 960 2 3 702 3 4 968 4 2 500 3 696 5 6 2 500 Computethelabourproductivityfbreachoftheweeks.Onthebasisofyourcalculations,what canyouconcludeaboutcrewsizeandproductivity? 3. Computethemultifactorproductivitymeasurefbreachoftheweeksshown.Whatdotheproductivity figuressuggest?Assume40-hourweeksandanhourlywageof$12.Overheadis1.5timesweekly labourcost.Materialcostis$6perpound.Standardpriceis$140perunit. Week Output(units) Workers Material(lbs) 1 300 6 45 2 338 7 46 3 322 7 46 4 354 8 48 Acompanythatmakesshoppingcartsfbrsupermarketsandotherstoresrecentlypurchased somenewequipmentthatreducesthelabourcontentofthejobsneededtoproducethe shoppingcarts.Priortobuyingthenewequipment,thecompanyusedfiveworkers,who producedanaverageof80cartsperhour.Labourcostwas$10perhourandmachinecostwas S40perhour.Withthenewequipment,itwaspossibletotransferoneoftheworkerstoanother department,andequipmentcostincreasedby$10perhourwhileoutputincreasedbyfourcarts perhour. a. Computelabourproductivityundereachsystem.Usecartsperworkerperhourasthemeasureof labourproductivity. b. Computethemultifactorproductivityundereachsystem.Usecartsperdollarcost(labourplus equipment)asthemeasure. c. Commentonthechangesinproductivityaccordingtothetwomeasures,andonwhichoneyou believeisthemorepertinentfbrthissituation. 4. Anoperationhasa10percentscraprate.Asaresult,72piecesperhourarcproduced.Whatisthe potentialincreaseinlabourproductivitythatcouldbeachievedbyeliminatingthescrap? 5. Amanagercheckedproductionrecordsandfoundthataworkerproduced160unitswhileworking40 hours.Inthepreviousweek,thesameworkerproduced138unitswhileworking36hours.Didthe worker'sproductivityincrease,decrease,orremainthesame?Explain. 7. Thefollowingtableshowsdataontheaveragenumberofcustomersprocessedbyseveralbankservice unitseachday.Thehourlywagerateis$25,theoverheadrateis1.0timeslabourcost,andCHEMICALS CORP. materialcostis$5percustomer. Unit Employees Customersprocessed A 4' 36 B 5 40 C 8 60 D 3 20 BobRichards,theproductionmanagerofZycholChemicals,inHouston,Texas,ispreparinghisquarterly reportwhichistoincludeaproductivityanalysisforhisdepartment.Oneoftheinputsisproductiondata preparedbySharonWalfbrd,hisoperationsanalyst.Thereport,whichshegavehimthismorning,showed thefollowing: 2000 2001 Production(units) 4,500 6,000 RawMaterialUsed(barrelsofpetroleumby-products) 700 900 LaborHours 22,000 28,000

