Which of the following statements about rational expectations is not true? A. Rational expectations are identical to optimal forecasts. OB. Rational expectations may not be accurate C. Rational expectations are different from adaptive expectations, D. Rational expectations theory suggests that forecasts errors of expectations are sizable and can be predicted Suppose that the average growth rate of the economy has been 2%. Given a forecast of 2% growth this year, it rational expectations hold, then the expected forecast error in %. The efficient market bypothesis is an application of the theory of adaptive expectations rational expectations perfect expectations officient expectations