How Product Standardization Affects Choice: Evidence from the Massachusetts Health Insurance Exchange
---- Acknowledgements -----
We thank Raj Chetty, David Cutler, David Dranove, Jonathan Gruber, Ben Handel, Larry Katz, Jon Kolstad, David Laibson, Ariel Pakes, Jim Rebitzer, Josh Schwartzstein, and Bob Town for thoughtful comments, along with seminar participants at the American Economic Association annual meeting, the Healthcare Markets Conference, the NBER Insurance Meeting, and the University of Wisconsin. We acknowledge funding from the Lab for Economic Applications and Policy (LEAP) at Harvard University, and Boston University and Wharton internal research funds. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.