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Effective Patent Life in Pharmaceuticals
(International Journal of Technology Management, 2000)
The Determinants of Pharmaceutical Research and Development Expenditures
(Journal of Evolutionary Economics, 2000)
The distribution of sales revenues from pharmaceutical innovation.
OBJECTIVE: This report updates our earlier work on the returns to pharmaceutical research and development (R&D) in the US (1980 to 1984), which showed that the returns distributions are highly skewed. It evaluates a more ...