[Solved] Markowitz's main contribution to portfolio theory is

Q.	Markowitz's main contribution to portfolio theory is
A.	That risk is the same for each type of financial asset
B.	That risk is a function of credit, liquidity and market Factors
C.	Risk is not quantifiable
D.	Insight about the relative importance of variances and co variances in determining portfolio risk
Answer» B. That risk is a function of credit, liquidity and market Factors

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Security Analysis and Investment Management

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