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Separation theorem |
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Definition of Separation theoremSeparation theoremThe value of an investment to an individual is not dependent on consumption
Related Terms:Fisher's separation theoremThe firm's choice of investments is separate from its owner's attitudes towards Portfolio separation theoremAn investor's choice of a risky investment portfolio is separate from his Two-fund separation theoremThe theoretical result that all investors will hold a combination of the riskfree Interest rate parity theoremInterest rate differential between two countries is equal to the difference Mutual fund theoremA result associated with the CAPM, asserting that investors will choose to invest their Separation propertyThe property that portfolio choice can be separated into two independent tasks: 1) Spot futures parity theoremDescribes the theoretically correct relationship between spot and futures prices. Active portfolio strategyA strategy that uses available information and forecasting techniques to seek a Complete portfolioThe entire portfolio, including risky and risk-free assets. Dedicating a portfolioRelated: cash flow matching. Efficient portfolioA portfolio that provides the greatest expected return for a given level of risk (i.e. standard Excess return on the market portfolioThe difference between the return on the market portfolio and the Factor portfolioA well-diversified portfolio constructed to have a beta of 1.0 on one factor and a beta of Feasible portfolioA portfolio that an investor can construct given the assets available. Feasible set of portfoliosThe collection of all feasible portfolios. Fisher effectA theory that nominal interest rates in two or more countries should be equal to the required real Fisher ratethe rate of return that equates the present values Hedged portfolioA portfolio consisting of the long position in the stock and the short position in the call Index Portfolio Rebalancing Service (IPRS)Index portfolio Rebalancing Service (IPRS) is a comprehensive investment service that can help increase potential returns while reducing volatility. Several portfolios are available, each with its own strategic balance of Index Funds. IPRS maintains your personal asset allocation by monitoring and rebalancing your portfolio semi-annually. International Fisher effectStates that the interest rate differential between two countries should be an international Fisher effectTheory that real interest rates in all countries should be equal, with differences in nominal rates reflecting differences in expected inflation. Leveraged portfolioA portfolio that includes risky assets purchased with funds borrowed. Leveraged portfolioA portfolio that includes risky assets purchased with funds borrowed. Market portfolioA portfolio consisting of all assets available to investors, with each asset held -in market portfolioportfolio of all assets in the economy. In practice a broad stock market index, such as the Standard & Poor's Composite, is used to represent the market. Market PortfolioThe total of all investment opportunities available to the investor. Markowitz efficient portfolioAlso called a mean-variance efficient portfolio, a portfolio that has the highest Markowitz efficient set of portfoliosThe collection of all efficient portfolios, graphically referred to as the Mean-variance efficient portfolioRelated: Markowitz efficient portfolio Minimum-variance portfolioThe portfolio of risky assets with lowest variance. Modern portfolio theoryPrinciples underlying the analysis and evaluation of rational portfolio choices Normal portfolioA customized benchmark that includes all the securities from which a manager normally Optimal portfolioAn efficient portfolio most preferred by an investor because its risk/reward characteristics Passive portfolioA market index portfolio. Passive portfolio strategyA strategy that involves minimal expectational input, and instead relies on PortfolioA collection of investments, real and/or financial. PortfolioA collection of securities and investments held by an investor Portfolio DiversificationSee diversification Portfolio insuranceA strategy using a leveraged portfolio in the underlying stock to create a synthetic put Portfolio internal rate of returnThe rate of return computed by first determining the cash flows for all the Portfolio managementRelated: Investment management Portfolio managerRelated: Investment manager Portfolio opportunity setThe expected return/standard deviation pairs of all portfolios that can be Portfolio turnover rateFor an investment company, an annualized rate found by dividing the lesser of Portfolio varianceWeighted sum of the covariance and variances of the assets in a portfolio. Portfolio WeightThe percentage of a total portfolio represented by a single specific Replicating portfolioA portfolio constructed to match an index or benchmark. Structured portfolio strategyA strategy in which a portfolio is designed to achieve the performance of some Tilted portfolioAn indexing strategy that is linked to active management through the emphasis of a Weighted average portfolio yieldThe weighted average of the yield of all the bonds in a portfolio. Well diversified portfolioA portfolio spread out over many securities in such a way that the weight in any Zero-beta portfolioA portfolio constructed to represent the risk-free asset, that is, having a beta of zero. Zero-investment portfolioA portfolio of zero net value established by buying and shorting component
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