Spillover Effects In Seeded Word-Of-Mouth Marketing Campaigns

Chae, Inyoung, Stephen, Andrew T., Bart, Yakov and Yao, Dai Spillover Effects In Seeded Word-Of-Mouth Marketing Campaigns. Marketing Science. (Accepted)

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Seeded marketing campaigns (SMCs) involve firms sending product samples to selected customers and encouraging them to spread word of mouth (WOM). Prior research has examined certain aspects of this increasingly popular form of marketing communication, such as seeding strategies and their immediate efficacy. Building on prior research, this study investigates the effects of SMCs that extend beyond the generation of WOM for a campaign’s focal product by considering how seeding can affect WOM spillover effects at the brand and category levels. The authors introduce a framework of SMC-related spillover effects, and then empirically estimate these with a unique dataset covering 390 SMCs for products from 192 different cosmetics brands. Multiple spillover effects are found, suggesting that while SMCs can indeed be used primarily to stimulate WOM for a focal product, marketers must also account for brand- and category-level WOM spillover effects. Specifically, product seeding increases conversations about that product among non-seed consumers, and, interestingly, decreases WOM about other products from the same brand and about competitors’ products in the same category as the focal product. These findings indicate that marketers can use SMCs to focus online WOM on a particular product by drawing consumers away from talking about other related, but off-topic, products.

Item Type: Article
Keywords: Word-of-Mouth, Seeded Marketing Campaigns, Social Media, Spillover Effects, Viral Marketing.
Subject(s): Markets
Date Deposited: 23 Mar 2016 12:44
Date of author-version deposit: 9 March 2016
Last Modified: 23 Mar 2016 12:44
Funders: N/A
URI: http://eureka.sbs.ox.ac.uk/id/eprint/6072

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