供应链管理-第三版-Unit6-习题与答案

Chapter6NetworkDesigninanUncertainEnvironmentTrue/False1.Decisionsmadeduringthesupplychaindesignphaseregardingsignificantinvestmentsinthesupplychain,suchasthenumberandsizeofplantstobuild,thenumberoftruckstopurchaseorlease,andwhethertobuildorleasewarehousespace,cannotbealteredintheshortterm.Answer:TrueDifficulty:Moderate2.Decisionsmadeduringthesupplychaindesignphaseregardingsignificantinvestmentsinthesupplychain,suchasthenumberandsizeofplantstobuild,thenumberoftruckstopurchaseorlease,andwhethertobuildorleasewarehousespace,rarelyremaininplaceforseveralyears.Answer:FalseDifficulty:Moderate3.Decisionsmadeduringthesupplychaindesignphaseregardingsignificantinvestmentsinthesupplychain,suchasthenumberandsizeofplantstobuild,thenumberoftruckstopurchaseorlease,andwhethertobuildorleasewarehousespace,definetheboundarieswithinwhichthesupplychainmustcompete.Answer:TrueDifficulty:Moderate4.Long-termcontractsforbothwarehousingandtransportationrequirementswillbemoreeffectiveifthedemandandpriceofwarehousingdonotchangeinthefutureorifthepriceofwarehousinggoesup.Answer:TrueDifficulty:Easy5.Long-termcontractsforbothwarehousingandtransportationrequirementswillbemoreeffectiveifeitherdemandorthepriceofwarehousingdropsinthefuture.Answer:FalseDifficulty:Moderate6.Thedegreeofdemandandpriceuncertaintyhasasignificantinfluenceontheappropriateportfoliooflong-andshort-termwarehousingspacethatafirmshouldcarry.Answer:TrueDifficulty:Easy7.Ifpriceanddemandvaryovertimeinaglobalnetwork,flexibleproductioncapacitycanbereconfiguredtomaximizeprofitsinthenewenvironment.Answer:TrueDifficulty:Moderate8.Afirmmaychoosetobuildaflexibleglobalsupplychaineveninthepresenceoflittledemandorsupplyuncertaintyifcertaintyexistsinexchangeratesorprices.Answer:FalseDifficulty:Moderate9.Thepresentvalueofastreamofcashflowsiswhatthatstreamisworthintoday’sdollars.Answer:TrueDifficulty:Easy10.Discretionarycashflow(DCF)analysisevaluatesthepresentvalueofanystreamoffuturecashflowsandallowsmanagementtocomparetwostreamsofcashflowsintermsoftheirfinancialvalue.Answer:FalseDifficulty:Easy11.Thepresentvalueoffuturecashflowsisfoundbyusingadiscountfactor.Answer:TrueDifficulty:Moderate12.Therateofreturnkisalsoreferredtoasthepresentvalueofcapital.Answer:FalseDifficulty:Easy13.AnegativeNPVforanoptionindicatesthattheoptionwilllosemoneyforthesupplychain.Answer:TrueDifficulty:Moderate14.ThedecisionwiththelowestNPVwillprovideasupplychainwiththehighestfinancialreturn.Answer:FalseDifficulty:Moderate15.Inreality,demandandpricesarehighlyuncertainandarelikelytofluctuateduringthelifeofanysupplychaindecision.Answer:TrueDifficulty:Moderate16.Foraglobalsupplychain,exchangeratesandinflationareunlikelytovaryovertimeindifferentlocations.Answer:FalseDifficulty:Easy17.Themultiplicativebinomialcannottakeonnegativevaluesandcanbeusedforfactorslikedemand,price,andexchangeratesthatcannotbecomenegative.Answer:TrueDifficulty:Moderate18.Alogicalobjectiontoboththemultiplicativeandadditivebinomialisthefactthattheunderlyingfactortakesontwovaluesattheendofeachperiod.Answer:FalseDifficulty:Hard19.Ifuncertaintyisignored,amanagerwillalwayssignlong-termcontractsbecausetheyaretypicallycheaperandavoidallflexiblecapacitybecauseitismoreexpensive.Answer:TrueDifficulty:Moderate20.Duringnetworkdesign,managersneedamethodologythatallowsthemtoestimatethecertaintyintheirforecastofdemandandpriceandthenincorporatethiscertaintyintothedecision-makingprocess.Answer:FalseDifficulty:Hard21.DecisiontreeswithDCFscanbeusedtoevaluatesupplychaindesigndecisionsgivenuncertaintyinprices,demand,exchangerates,andinflation.Answer:TrueDifficulty:Moderate22.Uncertaintyindemandandeconomicfactorsshouldnotbeincludedinthefinancialevaluationofsupplychaindesigndecisions.Answer:FalseDifficulty:Hard23.Inacomplexdecisiontree,therearethousandsofpossiblepathsthatmayresultfromthefirstperiodtothelast.Answer:TrueDifficulty:Easy24.Simulationmethodsareverygoodatevaluatingadecisionwherethepathitselfisdecisiondependent.Answer:FalseDifficulty:Hard25.Simulationmodelsrequireahighersetupcosttostartandoperatecomparedtodecisiontreetools.Answer:TrueDifficulty:Easy26.Themainadvantageofsimulationmodelsisthattheycanprovidelow-costevaluationsofcomplexsituations.Answer:FalseDifficulty:Moderate27.Strategicplanningandfinancialplanningshouldbecombinedduringsupplychainnetworkdesign.Answer:TrueDifficulty:Moderate28.Theevaluationofsupplychainnetworksshouldnotusemultiplemetrics.Answer:FalseDifficulty:Moderate29.Financialanalysisshouldbeusedasaninputtodecisionmaking,notasthedecision-makingprocess.Answer:TrueDifficulty:Moderate30.Oneofthebestwaystospeeduptheprocessoffinancialanalysisandarriveatagooddecisionistouseestimates,exceptwhenitappearsthatfindingaveryaccurateinputwouldtakeaninordinateamountoftime.Answer:FalseDifficulty:EasyMultipleChoice1.Decisionsmadeduringthesupplychaindesignphaseregardingsignificantinvestmentsinthesupplychain,suchasthenumberandsizeofplantstobuild,thenumberoftruckstopurchaseorlease,andwhethertobuildorleasewarehousespace,a.canbealteredintheshortterm.b.cannotbealter