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Capital Asset Pricing Model ( Capm )

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Critically discuss the uses and limitations of the CAPM
Introduction
Capital Asset Pricing Model (CAPM) was developed in 1964 based on Modern Portfolio Theory. CAMP widely used in investment decisions and financial areas of the company. The main research of CAMP are the relationship between expected rate of return and risk assets in the stock market, as well as how the equilibrium price formation. In terms of the valuation of assets, CAPM primarily used to determine whether the securities market be mispricing. Capital Asset Pricing Model measure risk by non-diversified variance, it linked risk and expected return, any non-diversified risk assets can be described by the value of β, then calculate the expected rate of return. Rate of return required by investors is equals to the discount rate. The limitation of CAPM are: CAPM assumptions inconsistent with the actual; CAPM Should apply only to capital assets, human assets may not be traded; Estimated β coefficient represents the past of variation, but investors are concerned about the security volatility of future price; In the actual situation, the risk-free asset and the market portfolio may not exist.
Main Body
The advantage of CAPM is that it provide a clear and intuitively explicit forecast in regard to how to measure risk and the connection between risk and expected return(Fama & French , 2004).Accordance to the provisions of CAPM, Beta coefficient is used to measure an asset systemic risk, it is used to measure the

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