Incentives in the Medicare prescription drug benefit.
D014487:Centers for Medicare and Medicaid Services, U.S.; D016527:Drug Costs; D005569:Formularies as Topic; D006801:Humans; D007342:Insurance Benefits / Q000191:economics; D007349:Insurance, Health, Reimbursement / Q000191:economics*; D007356:Insurance, Pharmaceutical Services / Q000191:economics*; D006278:Medicare / Q000191:economics*; D009042:Motivation; D011907:Rate Setting and Review / Q000379:methods*; D020379:Risk Adjustment / Q000191:economics*; D014481:United States