A Ricardian-Demand Explanation for Changing Pharmaceutical R&D Productivity
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This paper examines trends in the aggregate productivity of the pharmaceutical sector over the past three decades. We incorporate Ricardos insight about demand-driven productivity in settings of variable scarce resources, and estimate the industrys responsiveness to changes in demand over this
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美国国家经济研究局创建时间：
2016-10-01
