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Popular personalities like social media influencers (SMIs) and traditional celebrities can not only be used in the context of for‐profit marketing, but also help non‐profit campaigns address young audiences. Across three experiments (NTotal = 1233), we compared the effectiveness of SMIs' mobilizing appeals in relation to a humanitarian issue to those made by traditional celebrities. Inspired by meaning transfer theory, we expected SMIs and their endorsements to be perceived as particularly authentic, elucidating their possibly unique influence on young people's participation. In Study 1, mobilizing appeals from popular personalities generally increased participation intentions among young people, but SMIs were not more effective in this role than celebrities. Study 2 and Study 3 showed that effects of the two source types are dependent on gender. Controlling for source and endorsement authenticity, we found that SMIs were better at directly mobilizing young women for political participation than celebrities. In contrast, young men were more easily convinced by celebrities to engage in political action, due to higher authenticity attributed to celebrities' endorsements. While SMIs were not consistently perceived as more authentic than celebrities, the success of popular personalities' mobilizing appeals can generally be well explained by perceived source authenticity and perceived authenticity of endorsements. [ABSTRACT FROM AUTHOR]

With recent advancements in technologies such as artificial intelligence and computer‐generated imagery, virtual influencers (VIs) have become prominent branding tools that command high engagement rates. Most extant research explores the marketing outcomes of using VIs in brand campaigns. However, little is known about how interacting with VIs on social media platforms may affect consumers' well‐being. This research takes a comprehensive approach, developing a nuanced understanding of whether (and how) human‐like VIs (HVIs) impact consumers' well‐being. We employ a conceptual development approach drawing on scholarship from influencer marketing, narrative transportation, and consumer well‐being and gather additional support for the conceptual framework from data collected by interviewing 25 followers of HVIs. The conceptual framework proposes that when interacting with influencers' social media posts, followers experience narrative transportation, which positively influences followers' hedonic and eudaimonic well‐being. However, the conceptual framework also proposes that these relationships are moderated by the type of influencer (human vs. virtual) sharing the post. Specifically, we suggest that interactions with HVIs provide followers with enjoyment (hedonic well‐being) and support their self‐acceptance, personal growth, relationships, and autonomy (eudaimonic well‐being). We also provide initial evidence of the favorable marketing outcomes of enhanced well‐being from engagement with HVIs, including contemplation of brand purchase. The study thus advances extant VI literature by proposing a theoretically and empirically informed conceptual model that examines HVIs' influence on consumer well‐being. Also, it contributes to addressing the broader calls for research on the impact of social media and influencer marketing on consumer well‐being. [ABSTRACT FROM AUTHOR]

We show that in search markets an influencer who recommends a product to her followers improves consumer surplus and total welfare despite the firm paying for her recommendation. As consumers learn their value for the product upon search, they will not buy at the recommended firm if they learn their value is low. The threat of search incentivizes firms to offer the influencer a financial contract involving a commission and incentivizes the influencer to be honest in her recommendation. Provided the influencer's search cost is not too high, she also has an incentive to acquire information and give informative recommendations. These informative equilibria are more difficult to sustain if influencers compete with each other. [ABSTRACT FROM AUTHOR]

This meta‐analytic review offers a comprehensive framework for studying social media influencers by integrating multiple theoretical perspectives and measures. It analyzes 250 effect sizes from 53 studies, highlighting the significance of credibility, trustworthiness, and perceived expertise of social media influencers in shaping attitudinal outcomes. Source Credibility Theory emerges as the most robust explanatory framework, while Parasocial Interaction Theory and Congruity Theory also play essential roles. For behavioral outcomes, Source Credibility Theory and Congruity Theory remain influential, with moderate effects observed for homophily and variables from the two‐step flow model. Methodological diversity, geographical context, platform context, product context, and influencer type contribute to variations in effect sizes. These findings provide insights into social media influencer influence dynamics and guide future research. Moreover, they contribute to theory development by shedding light on the mechanisms and conditions underlying social media influencer influence on consumer attitudes and behaviors. [ABSTRACT FROM AUTHOR]

Criticized for the idealized lives portrayed on social media (e.g., Instagram), a growing number of social media influencers are now embracing genuineness, showcasing unfiltered and less sophisticated pictures of themselves. The current research investigated this trend by examining how genuine (vs. nongenuine) visual self‐presentations by influencers affect their followers' purchase intention and, importantly, their well‐being. With an experiment (n = 171) and a quasi‐experiment with an ex‐post facto design (n = 154), we demonstrate that influencers' genuineness (vs. nongenuineness) not only benefits promoted brands but also followers' well‐being. Specifically, genuine (vs. nongenuine) influencers induce fewer upward comparisons, which, in turn, increases followers' self‐esteem, well‐being, and purchase intention. Investigating the role of gender, we show that, while males also tend to purchase more products when recommended by genuine (vs. nongenuine) male influencers, the mediating process through social comparison does not occur. Combining psychosocial and marketing perspectives, this study expands various streams of research on social media influencers and offers pragmatic contributions that reconcile managers, social media influencers, and public policymakers. More genuineness in pictures, using fewer filters and beauty artifices, provides benefits for all. Finally, we suggest future research directions as ways to further reconcile these two perspectives. [ABSTRACT FROM AUTHOR]

The rise of social media influencers (SMIs) in the recent decade garnered wide interest from academicians and marketers. Academicians try to understand the effect of influencers on consumer behaviour, while marketers use influencers as part of their strategy to achieve marketing objectives. Although, plenty of practical and conceptual research is available in this area, literature reviews in the domain of SMIs and consumer engagement are scarce as it is still developing, and most of the studies have focused on these two concepts separately. In this study, the authors attempted to combine and understand how social media influencers affect consumers engagement. This systematic review of the literature offers a comprehensive view of previous research on social media influencers and consumer engagement. The study reviewed articles published in the Australian Business Deans Council (ABDC), Scopus, and Web of Science indexed journals till 5 June 2021. To understand consumers' engagement with SMIs, authors identified and theorized the antecedents, decision and outcome of such engagement. It also discusses the influencer‐follower parasocial relationship on different social media platforms. The study proposes an integrated conceptual framework that can be further used to test and validate the impact of social media influencer's marketing efforts on consumer engagement. This framework also may serve as a foundation for marketers to develop effective influencer strategies for brand promotions. The review concludes the discussion by highlighting theories, methodology, and context of studies conducted by past researchers. [ABSTRACT FROM AUTHOR]

Brand managers use social media influencers (SMIs) to influence consumers' attitudes and intentions. However, there is still ambiguity about the mechanisms by which SMIs influence their followers, as well as the metrics by which their performance can be evaluated. The existing literature has restricted itself to consumers' purchase intentions in order to evaluate SMIs influence and is silent on the role of the consumers' individual characteristics in SMIs influence mechanisms. Based on these research gaps and to provide a clearer picture of the SMI influence mechanism to practitioners, the present study assesses the role of consumer characteristics such as their social media attachment (SMA), parasocial relationships with social media influencer (PSR‐SMIs), and susceptibility to SMIs influence (SSMII) in driving consumer response to SMIs influence through SMI compliance intentions. Study 1 found the sequential mediational role of PSR‐SMIs and SSMII in the SMA‐SMI compliance intentions relationship. Study 2 found the same sequential mediation and demonstrated how SMI skepticism negatively moderates the relationship between PSR‐SMIs and SMI compliance intentions. To the best of the authors' knowledge, this is the first time that this skepticism variable is being explored in the SMI literature. [ABSTRACT FROM AUTHOR]

In recent years, social media influencers (SMIs) have become part of the strategic communication of firms because the traditional form of mass media communication is losing its effectiveness. Thus, it is imperative to study the effects of communication through SMIs on marketing outcomes, such as purchase intentions. Based on the fairness dimensions, that is, information, distributive, interpersonal, and procedural, and dimensions of source credibility, that is, attractiveness, expertise, trustworthiness, and similarity, this research investigated how technology‐oriented SMIs (T‐SMIs) foster parasocial relationships (PSRs) with followers. Purposive sampling was employed to collect data from 506 active social media users. Data were analysed through IBM AMOS and SPSS 26. The results of the study suggested that attractiveness, expertise, trustworthiness, similarity, interpersonal, procedural, and information fairness are positively related to fostering PSR with followers. In contrast, distributive fairness does not strengthen PSR with followers; furthermore, the study findings suggested an indirect positive influence of attractiveness, expertise, trustworthiness, similarity, interpersonal, procedural, and information fairness on the purchase intentions of consumers via PSR. This study is useful for academia and industry since it fills important gaps in the literature and provides recommendations to brand managers of technology companies about selecting appropriate SMIs for the endorsement of their brands. [ABSTRACT FROM AUTHOR]

The rapid spread of COVID‐19 brought about an increased use of face masks among the general public. Focusing on disposable surgical masks in particular, this article examines consumer perceptions of and intentions toward social media influencers who wear such masks amid the pandemic. Drawing on the theory of product symbolism, this research experimentally demonstrates that masked (vs. unmasked) influencers remind consumers of highly competent healthcare professionals, leading in turn to greater competence inferences about and more favorable behavioral intentions toward these influencers. Additional analysis demonstrates that this effect might not hold for other groups of professionals who are considered relatively competent at the outset and/or whose profession is less reliant on external cues. Overall, this research suggests that apart from curtailing the spread of the pandemic, mask wearing might prove beneficial to certain groups of professionals, such as social media influencers, who have traditionally struggled to establish credibility. In a broader context, this research establishes mask wearing as a new form of nonverbal communication that warrants further examination. [ABSTRACT FROM AUTHOR]

Over the past few years, the popularity of social media influencers (SMIs) has been growing exponentially, making influencer marketing (IM) prevalent in firm strategies. Despite the mounting interest of researchers and practitioners, the resulting scholarly work remains divergent, partial and fragmented. In light of the pivotal role of SMIs on the consumer decision journey and as this research domain is still developing, a comprehensive and critical overview of extant research on this topic is sorely needed. In response, this paper is the first to consolidate the present state of research on IM within social media settings. More specifically, a systematic review of relevant studies published in peer‐reviewed academic journals across diverse fields was conducted in order to identify key themes and dominant concepts. The analysis of 68 articles from 29 Chartered Association of Business Schools‐ranked journals forges a robust understanding of this phenomenon, shedding light on the mechanisms underlying the appeal of SMIs and their influential power in shaping consumer attitudes and behaviour. Based on the analysis, an integrative multidimensional framework is presented that considers antecedents, mediators and moderators of potential outcomes, as well as contextual factors that translate into consumer behaviour. In so doing, various research gaps are identified and avenues for future research are proposed that reflect important emerging areas and unexplored realms with reference to theory, context and methodology. Conclusively, implications of this study for theory and practice are discussed. [ABSTRACT FROM AUTHOR]

We explore the mechanism through which social media influencers (SMIs) persuade consumers to adopt brands. Guided by the influence framework, we propose and test empirically SMIs' influence mechanism, which occurs in four principal stages: (a) a SMI's influence attempts (showcasing H1: attractive; H2: prestigious; H3 and H4: expert; H5: informative; and H6: interactive Instagram contents); (b) target consumers' attitudinal response to the influence exercised (evaluating the SMI as a H7: taste and H8: opinion leader); which, in turn, affects (c) the targets' desire to comply (the desire to mimic); and ultimately (d) their favorable behavioral outcomes (H9: social media word‐of‐mouth and H10: purchase intentions). On the basis of the survey data from 395 respondents, we used structural equation modeling to test our hypotheses and proposed model. We verified the robustness of our results using an ordered probit regression model and analyzed the mediating role of consumers' desire to mimic SMIs in the influence mechanism. Our results confirm that the five aspects of influencing posts affect consumers' attitudes positively and significantly, which in turn leads to positive behavioral outcomes through their desire to mimic SMIs. We discuss the results' important implications for both scholars and practitioners. [ABSTRACT FROM AUTHOR]