Abstract
This chapter focuses on the potential influence of direct-to-consumer advertising (DTCA) on firm strategy, patients, physicians, and policy change. Particularly, we identify the chain of DTCA influence through which public policy actions, such as DTCA (de)regulation, prompt firm decisions as to whether or not to engage in DTCA, which drugs to pick for direct-to-consumer communication, and how much to allocate to DTCA versus the marketing-mix direct-to-physician (DTP). We highlight the importance of disentangling DTCA effects on the two main stakeholders, patient and the physician, to unravel the intricacies of prescription decisions. With this aim, we analyze a data set for three top-selling classes in the USA, namely, proton-pump inhibitors (PPIs), selective serotonin reuptake inhibitors (SSRIs), and HMG-CoA reductase inhibitors (Statins). The results confirm extant research and suggest that DTCA exhibits oversaturation effects later in the life cycle of a therapeutic class and is unlikely to be the major driver of pharmaceutical sales. On the other hand, DTP spending appears to be more influential and resistant to life cycle effects.
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Notes
- 1.
Interestingly, Lyles (2002), in his historical perspective on DTCA, notes that prior to 1930 direct-to-consumer communication was rather the norm in the USA.
- 2.
The meta-analysis by Kremer et al. (2008) examines 156 DTCA elasticities from 17 studies. Of those, two analyze data before the 1997 clarification and three were working papers at the time of the publication. Since then relatively few econometric studies have been published, most notably Fischer and Albers (2010) and Kolsarici and Vakratsas (2010).
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Vakratsas, D., Kolsarici, C. (2014). How DTCA Influences Prescription Pharmaceutical Markets. In: Ding, M., Eliashberg, J., Stremersch, S. (eds) Innovation and Marketing in the Pharmaceutical Industry. International Series in Quantitative Marketing, vol 20. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7801-0_22
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