What Drove First Year Premiums in Stand-Alone Medicare Drug Plans?
---- Acknowledgements -----
We thank the Cornell Center for Consumer Pharmaceutical Research, funded by the Merck Philanthropic Arm for financial support. We thank Anirban Mukerjee, Megan Tracz, Veronica Conte, Rebecca Lee, and Christine Marschilok for helping us gather the plan data used in this paper, and to Vicki Lanier and Evelyn Hermes DeSantis for help with selecting pharmaceutical lists. John Cawley, Jack Hoadley, Sean Nicholson and Steve Pizer provided helpful comments. All errors and opinions expressed are our own. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.