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- Title
Cost-Effective Social Media Influencer Marketing.
- Authors
Han, Xiao; Wang, Leye; Fan, Weiguo
- Abstract
It is becoming more and more promising that marketers hire influencers to launch campaigns for spreading items (e.g., articles or videos about products) over social media platforms. Such social media influencer marketing may generate tremendous utility if the influencers persuade their followers to adopt the recommended items. This could further spur extensive spontaneous item propagation on social media. Although prior studies mainly focus on influencer-selection strategies by the influencers' traits, marketers with a number of items are often requested to determine both influencers and marketing items. The appropriateness between influencers and items is critical, but rarely considered in prior influencer-identification methods. We thus formulate and solve a novel cost-effective social media influencer marketing problem to maximize marketers' utility by selecting appropriate pairwise combinations of influencers and items (i.e., item-influencer pairs). In particular, we first model utility functions and propose a simulation-based method to estimate the appropriateness of arbitrarily given item-influencer pairs by their potential utility. With the estimated utility, we devise an algorithm to iteratively select appropriate item-influencer pairs under various realistic conditions, including marketers' budget, influencers' payments, item-user fitness, social propagation, and influencers' marketing slots. We theoretically prove that the marketing utility achieved by our method is near-optimal. We also conduct extensive empirical experiments with three real-world data sets to verify the superiority of our method in terms of cost-effectiveness and computational efficiency. Lastly, we discuss insightful theoretical and practical implications. History: Accepted by Ram Ramesh, Area Editor for Data Science and Machine Learning. Funding: This study was partially funded by the National Natural Science Foundation of China [Grants 72071125, 72031001, and 61972008]. Supplemental Material: The online appendix is available at https://doi.org/10.1287/ijoc.2022.1246.
- Subjects
CHINA; INFLUENCER marketing; SOCIAL media; UTILITY functions
- Publication
INFORMS Journal on Computing, 2023, Vol 35, Issue 1, p138
- ISSN
1091-9856
- Publication type
Article
- DOI
10.1287/ijoc.2022.1246