Technology Innovation and Diffusion as Sources of Output and Asset Price Fluctuations
---- Acknowledgements -----
We appreciate the helpful comments of Marianne Baxter, Paul Beaudry, John Campbell, Larry Christiano, Jordi Gali, Bob King, John Leahy, Martin Lettau, Monika Piazzesi, Martin Schneider, and seminar participants at the Boston Fed, Brown, Boston University, NBER Summer Institute, University of Valencia, University of Houston, Harvard Business School, Swiss National Bank, CEPR-CREI and NBER-EFG meeting. We appreciate the excellent research assistance of Albert Queralto. Financial assistance from the C.V. Starr Center and the NSF is greatly appreciated. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.