"In the presence of infrequent but observable structural breaks, we show that a model in which the representative agent is on a rational learning path concerning the real consumption growth process can generate high equity premia and low risk-free interest rates. In fact, when the model is...

Economic policy for the information economy: a summary of the Bank's 2001 economic symposium / Craig S. Hakkio -- Opening remarks / Alan Greenspan -- The "new economy": background, historical perspective, questions, and speculations / J. Bradford DeLong and Lawrence H. Summers. Commentary /...