Is There an Energy Efficiency Gap?
---- Acknowledgements ----
We thank Michael Blasnik, Lucas Davis, Ken Gillingham, Matt Golden, Paul Joskow, Therese Langer, Jim McMahon, Sendhil Mullainathan, Steve Nadel, Richard Newell, Jim Sallee, Alan Sanstad, Cass Sunstein, Rich Sweeney, and Catherine Wolfram for helpful discussions and feedback. We also thank JEP Editors David Autor, Chad Jones, John List, and Timothy Taylor for helping to shape the article. We gratefully acknowledge financial support from the Sloan Foundation and the MacArthur Foundation for our research on the economics of energy efficiency. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.