credit, including © notice, is given to the source. How Do Gasoline Prices Affect Fleet Fuel Economy?

Sarah West, the editor, two anonymous referees, and participants at Camp Resources XIV for their helpful comments. Financial support from Micro-Incentives Research Center at Duke University is gratefully acknowledged. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research. NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed or been subject to the review by the NBER Board of Directors that accompanies official NBER publications