Shawn earned an average return of 14.6 percent on his investments over the past 20 years while the S&P 500,a measure of the overall market,only returned an average of 13.9 percent.Explain how this can occur if the stock market is efficient.

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The Answer of Shawn earned an average return of 14.6 percent on his investments over the past 20 years while the S&P 500,a measure of the overall market,only returned an average of 13.9 percent.Explain how this can occur if the stock market is efficient.

Shawn Earned an Average Return of 14