Network Effects and Diffusion in Pharmaceutical Markets: Antiulcer Drugs
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We examine the role of network effects in the demand for pharmaceuticals at both the brand level and for a therapeutic class of drugs. These effects emerge when use of a drug by others conveys information about its efficacy and safety to patients and physicians. This can lead to herd behavior where
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美国国家经济研究局创建时间：
1999-03-01
