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Banning Foreign Pharmacies from Sponsored Search: The Online Consumer Response

Matthew Chesnes (), Weijia (Daisy) Dai () and Ginger Zhe Jin ()
Additional contact information
Matthew Chesnes: Federal Trade Commission, Washington, DC 20580
Weijia (Daisy) Dai: Lehigh University, Bethlehem, Pennsylvania 18015
Ginger Zhe Jin: Federal Trade Commission, Washington, DC 20580; University of Maryland, College Park, Maryland 20742

Marketing Science, 2017, vol. 36, issue 6, 879-907

Abstract: Increased competition from the Internet has raised concerns about the quality of prescription drugs sold online. Given the pressure from the Department of Justice, Google agreed to ban pharmacies not certified by the National Association of Boards of Pharmacy (NABP) from sponsored search listings. Using comScore click-through data originated from health-related queries, we study how the ban affects consumer search and click behavior in a difference-in-differences framework using the synthetic control method. We find that non-NABP-certified pharmacies received fewer clicks after the ban, and this effect is heterogeneous. In particular, pharmacies not certified by the NABP but certified by other sources (other-certified websites), experienced an increase in organic clicks that partially offset the loss in paid clicks after the ban. By contrast, pharmacies not certified by any certification agency experience much lower rates of substitution in organic clicks. These results suggest that the ban has increased the search cost for other-certified websites, but at least some consumers overcome the search cost by switching from sponsored to organic links. The lower substitution for uncertified websites may be explained by the rising consumer concerns about the quality of drugs sold on uncertified websites after the ban.

Keywords: online prescription drug; Internet search; sponsored search advertising; foreign pharmacy (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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