投资分析与组合管理英文版ppt课件完整版.pptx

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 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 general?Why Do Individuals Invest?Bysavingmoney(insteadofspendingit),individualstradeoffpresentconsumptionforalargerfutureconsumption.How Do We Measure The Rate Of Return On An Investment?Thepurerateofinterestistheexchangeratebetweenfutureconsumptionandpresentconsumption.Marketforcesdeterminethisrate.Peopleswillingnesstopaythedifferenceforborrowingtodayandtheirdesiretoreceiveasurplusontheirsavingsgiverisetoaninterestratereferredtoasthepuretimevalueofmoney.How Do We Measure The Rate Of Return On An Investment?Ifthefuturepaymentwillbediminishedinvaluebecauseofinflation,thentheinvestorwilldemandaninterestratehigherthanthepuretimevalueofmoneytoalsocovertheexpectedinflationexpense.How Do We Measure The Rate Of Return On An Investment?Ifthefuturepaymentfromtheinvestmentisnotcertain,theinvestorwilldemandaninterestratethatexceedsthepuretimevalueofmoneyplustheinflationratetoprovideariskpremiumtocovertheinvestmentrisk.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.MeasuresofHistoricalRatesofReturnHoldingPeriodReturn1.1MeasuresofHistoricalRatesofReturnHoldingPeriodYieldHPY=HPR-11.10-1=0.10=10%1.2AnnualHoldingPeriodReturnAnnualHPR=HPR1/nwheren=numberofyearsinvestmentisheldAnnualHoldingPeriodYieldAnnualHPY=AnnualHPR-1MeasuresofHistoricalRatesofReturnMeasuresofHistoricalRatesofReturnArithmeticMean1.4MeasuresofHistoricalRatesofReturnGeometricMean1.5APortfolioofInvestmentsThemeanhistoricalrateofreturnfor a portfolio of investments ismeasuredastheweightedaverageof the HPYs for the individualinvestmentsintheportfolio.ComputationofHoldingPeriodYieldforaPortfolioExhibit 1.1ExpectedRatesofReturnRiskisuncertaintythataninvestmentwillearnitsexpectedrateofreturnProbabilityisthelikelihoodofanoutcomeExpectedRatesofReturn1.6RiskAversionTheassumptionthatmostinvestorswillchoosetheleastriskyalternative,allelsebeingequalandthattheywillnotacceptadditionalriskunlesstheyarecompensatedintheformofhigherreturnProbabilityDistributionsRisk-freeInvestmentExhibit 1.2ProbabilityDistributionsRiskyInvestmentwith3PossibleReturnsExhibit 1.3ProbabilityDistributionsRisky investment with ten possible rates of returnExhibit 1.4MeasuringtheRiskofExpectedRatesofReturn1.7MeasuringtheRiskofExpectedRatesofReturnStandardDeviationisthesquarerootofthevariance1.8MeasuringtheRiskofExpectedRatesofReturnCoefficientofvariation(CV)ameasureofrelativevariabilitythatindicatesriskperunitofreturnStandard Deviation of ReturnsExpected Rate of Returns1.9MeasuringtheRiskofHistoricalRatesofReturnvarianceoftheseriesholdingperiodyieldduringperiodIexpectedvalueoftheHPYthatisequaltothearithmeticmeanoftheseriesthenumberofobservations1.10DeterminantsofRequiredRatesofReturnTimevalueofmoneyExpectedrateofinflationRiskinvolvedTheRealRiskFreeRate(RRFR)Assumesnoinflation.Assumesnouncertaintyaboutfuturecashflows.InfluencedbytimepreferenceforconsumptionofincomeandinvestmentopportunitiesintheeconomyAdjustingForInflationReal RFR=1.12NominalRisk-FreeRateDependentuponConditionsintheCapitalMarketsExpectedRateofInflationAdjustingForInflationNominal RFR=(1+RealRFR)x(1+ExpectedRateofInflation)-11.11FacetsofFundamentalRiskBusinessriskFinancialriskLiquidityriskExchangerateriskCountryriskBusinessRiskUncertaintyofincomeflowscausedbythenatureofafirmsbusinessSalesvolatilityandoperatingleveragedeterminethelevelofbusinessrisk.FinancialRiskUncertaintycausedbytheuseofdebtfinancing.Borrowingrequiresfixedpaymentswhichmustbepaidaheadofpaymentstostockholders.Theuseofdebtincreasesuncertaintyofstockholderincomeandcausesanincreaseinthestocksriskpremium.LiquidityRiskUncertaintyisintroducedbythesecondarymarketforaninvestment.Howlongwillittaketoconvertaninvestmentintocash?Howcertainisthepricethatwillbereceived?ExchangeRateRiskUncertaintyofreturnisintroducedbyacquiringsecuritiesdenominatedinacurrencydifferentfromthatoftheinvestor.Changesinexchangeratesaffecttheinvestorsreturnwhenconvertinganinvestmentbackintothe“home”currency.CountryRiskPoliticalriskistheuncertaintyofreturnscausedbythepossibilityofamajorchangeinthepoliticaloreconomicenvironmentinacountry.Individualswhoinvestincountriesthathaveunstablepolitical-economicsystemsmustincludeacountryrisk-premiumwhendeterminingtheirrequiredrateofreturnRiskPremiumf(BusinessRisk,Financi。