Playing Favorites: How Firms Prevent the Revelation of Bad News

Lauren Cohen, Dong Lou, Christopher Malloy

NBER Working Paper No. 19429
Issued in September 2013, Revised in October 2016

---- Acknowledgements ----

We would like to thank Javed Ahmed, Malcolm Baker, Lucian Bebchuk, Bo Becker, Dan Bradley, Zhi Da, Kent Daniel, Alex Edmans, Ben Esty, Andrea Frazzini, Oliver Hart, Campbell Harvey, David Hirshleifer, Louis Kaplow, Scott Kominers, S.P. Kothari, Christian Leuz, Ulrike Malmendier, Bill Mayew, Scott Mayfield, Atif Mian, Roni Michaely, Maureen O’Hara, Daniel Paravisini, Thomas Philippon, Doug Skinner, Jose Scheinkman, David Solomon, Kelly Shue, Siew-Hong Teoh, David Thesmar, Han Xia, Luigi Zingales, Eric Zitzewitz, and seminar participants at University of California Berkeley, University of California Irvine, Case Western Reserve University, University of Chicago, China Europe International Business School, Cornell University, George Washington University, University of Georgia, Georgia State University, Harvard Business School, Harvard Law School, HEC Paris, University of Hong Kong, Hong Kong University of Science and Technology, University of Illinois, Indiana University, INSEAD, London Business School, London School of Economics, University of Miami, MIT Sloan, University of Notre Dame, University of North Carolina, NYU Stern, Pontifica Universidad Catholica De Chile, Princeton University, University of Washington, UPenn Wharton, University of York, 2014 AFA Philadelphia Meeting, 2013 NBER Behavioral Economics Meeting, 2013 University of Miami Behavioral Finance Conference, 2013 Helsinki Finance Summit, 2013 Yale Doctoral Summer Program in Behavioral Finance, 2013 European Finance Association Annual Meeting, 2013 Borsa Istanbul Finance & Economics Conference, Acadian Asset Management, AQR Capital, PanAgora Asset Management, and SAC Capital for helpful comments and discussions. We thank Alok Kumar and Kelvin Law for generously providing data on analyst brokerage house affiliation. In addition, we are grateful to James Boggie, Huaizhi Chen, Manuel Daj, David DiCenso, Barbara Esty, Laura Glass, Beth Hall, David Kim, Christine Rivera, Elizabeth Sampson, Pablo Torroella, Shannette Washington, and James Zeitler for providing excellent research assistance. We are grateful for funding from the National Science Foundation and the Paul Woolley Center at the London School of Economics. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

return to bibliography page

NBER Videos

National Bureau of Economic Research, 1050 Massachusetts Ave., Cambridge, MA 02138; 617-868-3900; email:

Contact Us