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The Capital Asset Pricing Model: A New Empirical Investigation

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  • Zarifhonarvar, Ali

Abstract

In financial economics, numerous theoretical models explain the relationship between investment risk and return in the capital market, one of the most common being the Capital Asset Pricing Model (CAPM). After reviewing the literature in this area, this study discusses the theoretical background of the CAPM model. After explaining the relationship between systematic corporate risk in different industries, the hypotheses for a positive linear correlation between stock returns and systematic risk and the relation of these coefficients to the CAPM model predictions are tested. Thus, after data sampling to obtain the monthly rate of return of stocks in the Tehran Stock Exchange, the monthly rate of return of the market portfolio and the return on risk-free investment are obtained from April 2008 to March 2013. Finally, it will be shown that the systematic risk variable and its square are also crucial to explaining stock return fluctuations. A nonlinear quadratic correlation is confirmed between the rate of return and systematic risk in the stock data of companies sampled from the obtained sample of the Tehran Stock Exchange.

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  • Zarifhonarvar, Ali, 2023. "The Capital Asset Pricing Model: A New Empirical Investigation," EconStor Preprints 268396, ZBW - Leibniz Information Centre for Economics.
    • Handle: RePEc:zbw:esprep:268396
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    References listed on IDEAS

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    More about this item

    Keywords

    CAPM; Beta; Stock Market; Premium; Risk;
    All these keywords.

    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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