Which statements are true?

I: Risk premium measures whether a risky asset is expected to generate a higher return than the risk free asset

II: High risk always comes with high expected return regardless of what types of risk

III: In the CAPM world, high beta risk, high expected return

IV: In the CAPM world, negative beta assets are still risky but their expected return can be lower than risk free rate.

		I,II,III,IV
		I, III,IV
		III
		I,II,III