NBER Working Paper No. 18265
---- Acknowledgements -----
We thank Grant Graziani, Dan Greenwald, Victoria Gregory, Scott Nelson, and Christina Patterson who provided excellent research assistance at various stages of the project. We also wish to thank Michele Boldrin, Björn Brügemann, Steve Davis, Mark Gertler, John Haltiwanger, Marianna Kudlyak, Ricardo Lagos, Rob Shimer, and many seminar participants for helpful comments. We are especially grateful to June Shelp, at The Conference Board, for her help with the HWOL data. The opinions expressed herein are those of the authors and not necessarily those of the Federal Reserve Bank of New York, the Federal Reserve System, or the National Bureau of Economic Research.