Medicare Part D's Effects on Elderly Drug Costs and Utilization

Jonathan D. Ketcham, Kosali Simon

NBER Working Paper No. 14326
Issued in September 2008

---- Acknowledgements ----

We are grateful for financial support in purchasing Wolters Kluwer Health data in the form of grants awarded to Cornell University from Pfizer Inc and Merck Foundation, the philanthropic arm of Merck Inc. Special thanks to Jim Hendrix, Rusty Jones and Steven Pieri of Wolters Kluwer Health, to Michael North and Robert Harris for their research support, and to David Ridley, Kirsten Axelsen and 2008 ASHE session participants for valuable comments. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.

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