4. The most likely difference between the information ratio and sharp ratio is:
A. Sharpe ratio can be measured ex-ante or ex-post but information ratio is only measured
ex-post.
B. Sharpe ratio uses portfolio standard deviation as a measure of volatility whereas
information ratio relies on portfolio beta as a volatility measure.
C. Adding cash to a portfolio does not change the Sharpe ratio but changes the information
ratio.
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