The Wall Street Journal: "Four years ago, the U.S. government offered subsidized prescription-drug insurance to 43 million elderly and disabled, the biggest expansion of government-backed health care in decades. Today, the program is working better than many expected." One lesson could be for proposed health insurance exchanges. "Jonathan Gruber and Jason Abaluck of the Massachusetts Institute of Technology, with data on 2.7 million Part D enrollees, find that 70% could have chosen a lower-cost plan, and the typical enrollee could have saved about 25%...
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