NBER Working Paper No. 21281
---- Acknowledgments ----
We would like to thank Oleg Rytchkov and seminar participants at Temple University, the University of Texas, Austin, Virginia Tech, the 2014 FMA meetings, and the 2013 SFA meetings, particularly the discussant Ferhat Akbas, for helpful comments. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.