Trends in Weighted Average Sales Prices for Prescription Drugs in Medicare Part B, 2006-2015

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Research on the pricing of prescription drugs tends to focus on individual products, rather than the overall pricing trend for the market as a whole. This larger trend—which is influenced by multiple competitive forces, including competition among products in therapeutic classes and entry of generic drugs into the market—tends to differ markedly from the pricing trends of individual products. This broader perspective more accurately captures marketplace dynamics, providing a more appropriate picture of drug cost trends.