投资分析与组合管理英文版.pptx
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1、Lecture Presentation Software to accompanyInvestment Analysis and Portfolio ManagementSeventh EditionChapter 1The Investment SettingQuestions to be answered:Why do individuals invest?What is an investment?How do we measure the rate of return on an investment?How do investors measure risk related to
2、alternative investments?Chapter 1The Investment SettingWhat factors contribute to the rates of return that investors require on alternative investments?What macroeconomic and microeconomic factors contribute to changes in the required rate of return for individual investments and investments in gene
3、ral?Why Do Individuals Invest?Bysavingmoney(insteadofspendingit),individualstradeoffpresentconsumptionforalargerfutureconsumption.How Do We Measure The Rate Of Return On An Investment?Thepurerateofinterestistheexchangeratebetweenfutureconsumptionandpresentconsumption.Marketforcesdeterminethisrate.Pe
4、opleswillingnesstopaythedifferenceforborrowingtodayandtheirdesiretoreceiveasurplusontheirsavingsgiverisetoaninterestratereferredtoasthepuretimevalueofmoney.How Do We Measure The Rate Of Return On An Investment?Ifthefuturepaymentwillbediminishedinvaluebecauseofinflation,thentheinvestorwilldemandanint
5、erestratehigherthanthepuretimevalueofmoneytoalsocovertheexpectedinflationexpense.How Do We Measure The Rate Of Return On An Investment?Ifthefuturepaymentfromtheinvestmentisnotcertain,theinvestorwilldemandaninterestratethatexceedsthepuretimevalueofmoneyplustheinflationratetoprovideariskpremiumtocover
6、theinvestmentrisk.How Do We Measure The Rate Of Return On An Investment?Defining an InvestmentAcurrentcommitmentof$foraperiodoftimeinordertoderivefuturepaymentsthatwillcompensatefor:the time the funds are committedthe expected rate of inflationuncertainty of future flow of funds.MeasuresofHistorical
7、RatesofReturnHoldingPeriodReturn1.1MeasuresofHistoricalRatesofReturnHoldingPeriodYieldHPY=HPR-11.10-1=0.10=10%1.2AnnualHoldingPeriodReturnAnnualHPR=HPR1/nwheren=numberofyearsinvestmentisheldAnnualHoldingPeriodYieldAnnualHPY=AnnualHPR-1MeasuresofHistoricalRatesofReturnMeasuresofHistoricalRatesofRetur
8、nArithmeticMean1.4MeasuresofHistoricalRatesofReturnGeometricMean1.5APortfolioofInvestmentsThemeanhistoricalrateofreturnfor a portfolio of investments ismeasuredastheweightedaverageof the HPYs for the individualinvestmentsintheportfolio.ComputationofHoldingPeriodYieldforaPortfolioExhibit 1.1ExpectedR
9、atesofReturnRiskisuncertaintythataninvestmentwillearnitsexpectedrateofreturnProbabilityisthelikelihoodofanoutcomeExpectedRatesofReturn1.6RiskAversionTheassumptionthatmostinvestorswillchoosetheleastriskyalternative,allelsebeingequalandthattheywillnotacceptadditionalriskunlesstheyarecompensatedinthefo
10、rmofhigherreturnProbabilityDistributionsRisk-freeInvestmentExhibit 1.2ProbabilityDistributionsRiskyInvestmentwith3PossibleReturnsExhibit 1.3ProbabilityDistributionsRisky investment with ten possible rates of returnExhibit 1.4MeasuringtheRiskofExpectedRatesofReturn1.7MeasuringtheRiskofExpectedRatesof
11、ReturnStandardDeviationisthesquarerootofthevariance1.8MeasuringtheRiskofExpectedRatesofReturnCoefficientofvariation(CV)ameasureofrelativevariabilitythatindicatesriskperunitofreturnStandard Deviation of ReturnsExpected Rate of Returns1.9MeasuringtheRiskofHistoricalRatesofReturnvarianceoftheserieshold
12、ingperiodyieldduringperiodIexpectedvalueoftheHPYthatisequaltothearithmeticmeanoftheseriesthenumberofobservations1.10DeterminantsofRequiredRatesofReturnTimevalueofmoneyExpectedrateofinflationRiskinvolvedTheRealRiskFreeRate(RRFR)Assumesnoinflation.Assumesnouncertaintyaboutfuturecashflows.Influencedbyt
13、imepreferenceforconsumptionofincomeandinvestmentopportunitiesintheeconomyAdjustingForInflationReal RFR=1.12NominalRisk-FreeRateDependentuponConditionsintheCapitalMarketsExpectedRateofInflationAdjustingForInflationNominal RFR=(1+RealRFR)x(1+ExpectedRateofInflation)-11.11FacetsofFundamentalRiskBusines
14、sriskFinancialriskLiquidityriskExchangerateriskCountryriskBusinessRiskUncertaintyofincomeflowscausedbythenatureofafirmsbusinessSalesvolatilityandoperatingleveragedeterminethelevelofbusinessrisk.FinancialRiskUncertaintycausedbytheuseofdebtfinancing.Borrowingrequiresfixedpaymentswhichmustbepaidaheadof
15、paymentstostockholders.Theuseofdebtincreasesuncertaintyofstockholderincomeandcausesanincreaseinthestocksriskpremium.LiquidityRiskUncertaintyisintroducedbythesecondarymarketforaninvestment.Howlongwillittaketoconvertaninvestmentintocash?Howcertainisthepricethatwillbereceived?ExchangeRateRiskUncertaint
16、yofreturnisintroducedbyacquiringsecuritiesdenominatedinacurrencydifferentfromthatoftheinvestor.Changesinexchangeratesaffecttheinvestorsreturnwhenconvertinganinvestmentbackintothe“home”currency.CountryRiskPoliticalriskistheuncertaintyofreturnscausedbythepossibilityofamajorchangeinthepoliticaloreconom
17、icenvironmentinacountry.Individualswhoinvestincountriesthathaveunstablepolitical-economicsystemsmustincludeacountryrisk-premiumwhendeterminingtheirrequiredrateofreturnRiskPremiumf(BusinessRisk,FinancialRisk,LiquidityRisk,ExchangeRateRisk,CountryRisk)orf(SystematicMarketRisk)RiskPremiumandPortfolioTh
18、eoryTherelevantriskmeasureforanindividualassetisitsco-movementwiththemarketportfolioSystematicriskrelatesthevarianceoftheinvestmenttothevarianceofthemarketBetameasuresthissystematicriskofanassetFundamentalRiskversusSystematicRiskFundamentalriskcomprisesbusinessrisk,financialrisk,liquidityrisk,exchan
19、geraterisk,andcountryriskSystematicriskreferstotheportionofanindividualassetstotalvarianceattributabletothevariabilityofthetotalmarketportfolioRelationshipBetweenRiskandReturnExhibit 1.7(Expected)ChangesintheRequiredRateofReturnDuetoMovementsAlongtheSMLExhibit 1.8ChangesintheSlopeoftheSMLRPi=E(Ri)-N
20、RFRwhere:RPi=riskpremiumforassetiE(Ri)=theexpectedreturnforasset iNRFR=thenominalreturnonarisk-freeasset1.13MarketPortfolioRiskThemarketriskpremiumforthemarketportfolio(containsalltheriskyassetsinthemarket)canbecomputed:RPm=E(Rm)-NRFRwhere:RPm=riskpremiumonthemarketportfolioE(Rm)=expectedreturnonthe
21、marketportfolioNRFR=expectedreturnonarisk-freeasset1.14ChangeinMarketRiskPremiumExhibit 1.10NRFRExpected ReturnRmRmCapitalMarketConditions,ExpectedInflation,andtheSMLExhibit 1.11NRFRNRFRExpected ReturnTheInternetInvestments Owww.cob.ohio-state.edu/dept/fin/FutureTopicsChapter2Theassetallocationdecis
22、ionTheindividualinvestorlifecycleRisktolerancePortfoliomanagementLecture Presentation Software to accompanyInvestment Analysis and Portfolio ManagementSeventh Editionby Frank K.Reilly&Keith C.BrownChapter 2Chapter 2The Asset Allocation DecisionQuestions to be answered:What is asset allocation?What a
23、re the four steps in the portfolio management process?What is the role of asset allocation in investment planning?Why is a policy statement important to the planning process?Chapter 2The Asset Allocation DecisionWhat objectives and constraints should be detailed in a policy statement?How and why do
24、investment goals change over a persons lifetime and circumstances?Why do asset allocation strategies differ across national boundaries?Financial Plan PreliminariesInsuranceLifeinsuranceTermlifeinsurance-Providesdeathbenefitonly.PremiumcouldchangeeveryrenewalperiodUniversalandvariablelifeinsurancepro
25、videcashvalueplusdeathbenefitFinancial Plan PreliminariesInsuranceHealthinsuranceDisabilityinsuranceAutomobileinsuranceHome/rentalinsuranceLiabilityinsuranceFinancial Plan PreliminariesCashreserveTomeetemergencyneedsIncludescashequivalents(liquidinvestments)Equaltosixmonthslivingexpensesrecommendedb
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