Recent evidence suggests that Medicare Part D has increased prescription drug use among the elderly, and earlier studies have indicated that increasing market size induces pharmaceutical innovation. This paper assesses the impact of Medicare Part D on pharmaceutical research and development (R&D), using time-series data on (a) the number of drugs in clinical development by therapeutic class, and (b) R&D expenditures by firm. We demonstrate that the passage of Medicare Part D was associated with significantly higher pharmaceutical R&D for drug classes with higher Medicare market share, and for firms specializing in higher-Medicare-share drugs.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
13857.
Length: Date of creation: Mar 2008 Date of revision: Handle: RePEc:nbr:nberwo:13857
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Find related papers by JEL classification: H51 - Public Economics - - National Government Expenditures and Related Policies - - - Government Expenditures and Health I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health O30 - Economic Development, Technological Change, and Growth - - Technological Change - - - General
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