Insurers' Response to Selection Risk: Evidence from Medicare Enrollment Reforms

Francesco Decarolis, Andrea Guglielmo

NBER Working Paper No. 22876
Issued in December 2016, Revised in February 2017

---- Acknowledgments ----

Andrea Guglielmo is an associate at Analysis Group, Inc. Research for this article was undertaken when he was a student at the University of Wisconsin - Madison. The views expressed herein are those of the authors and do not necessarily reflect the views of Analysis Group or the National Bureau of Economic Research. Decarolis is grateful to the Sloan Foundation (grant 2011-5-23 ECON) for financial support. We are also grateful for the comments received from Pierre Andre Chiappori, Vilsa Curto, Mark Duggan, Liran Einav, Randy Ellis, Amit Gandhi, Jesse Gregory, Ken Hendricks, Kate Ho, Brad Larsen, Jon Levin, Tim Layton, Maria Polyakova, Mike Riordan, Alan Sorensen, Chris Taber, Pietro Tebaldi and Bob Town and from the participants at the seminars at Boston University, Columbia, EIEF, Stanford, Università Bocconi and the University of Wisconsin Madison where earlier versions of this paper were presented.

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