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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Eduncle Best Answer
Development of Capital Market Theory : The major factor that allowed Markwitz portfolio theory to develop into capital market theory is the concept of a risk-free asset, that is, an asset with zero variance. As well will show, such an asset would have zero correlation with all other risky assets and would provide the risk-free rate of return (RFR).