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Online influencer marketing (OIM) has become an integral component of brands’ marketing strategies; however, marketers lack an adequate understanding of its scope, effectiveness, and potential threats. To fill this gap, this article first describes the phenomenon’s background, defines OIM, and delineates its unique features to set the conceptual boundaries for the new concept. Drawing insights from practitioner and consumer interviews, and in line with social capital theory, the authors propose that OIM can be understood as leveraging influencer resources (including follower networks, personal positioning, communication content, and follower trust) to enhance a firm’s marketing communication effectiveness. Six novel propositions illustrate the benefits and potential threats of OIM, which may spur progress toward a theory of OIM. Finally, this article outlines key strategies for effectively managing OIM and identifies important literature–practice gaps to suggest avenues for further research.

PurposeThe current study has drawn attention to investigating the impact of social media influencers’ (SMIs) authenticity on followers buying behavior by using followers who have an ongoing relationship with an influencer and are knowledgeable about the influencer. The study further intends to reveal the mediating effect of parasocial interaction on the relationship between SMI's authenticity and followers' purchase behavior.Design/methodology/approachThe study has analyzed data from an online survey of 458 participants (Instagram followers) using structured equation modeling (CB-SEM) to investigate the relationship among authenticity attributes, parasocial interaction and followers' purchase behavior.FindingsCB-SEM results reveal that authenticity attributes positively influence followers' buying behavior. The findings from mediation analysis specify that parasocial interaction mediates the relationship between authenticity attributes (sincerity, truthful endorsement and visibility) and buying behavior excluding expertise, uniqueness attributes.Practical implicationsThe findings of the study reinforce the need to use authentic influencers by the marketers for the brand endorsements. Further, the findings of the study can benefit marketers in implementing strategic practice of social media influencer marketing.Originality/valueThe study overcomes the limitations of preceding studies by using Instagram followers who are well-informed about SMIs and have an ongoing relationship with them. This study has uniquely combined the behavioral data from real influencer campaigns with followers' assessment of an influencer's authenticity.

The increased popularity of social media has greatly affected the marketing-communications activities of companies. This study seeks to understand how influencers promoting products affect their followers' purchasing intentions and attitudes towards endorsed products. Our main interest is to get an insight on differences between two generations (X and Z). We construct a structural model, based on the theory of credibility. Findings suggest that influencer endorsements have an impact on both age groups, with a more noticeable effect observed in the younger generation. The loyalty towards influencers emerges as a constructive intermediary factor, amplifying the influence of credibility on purchasing intentions across both generations. When considering attitudes towards the brands endorsed by the influencers, loyalty's impact is comparatively modest. The results provide a building block in understanding the influencers' activities in marketing-communications, and how they can be used for communication with different generations.

PurposeThis research focuses firstly on the impact of Social Media Influencer Marketing (SMIM) on the Economic Performance (EP) of Spanish wineries, and secondly on the mediating effect of Corporate Social Legitimacy (CSL) on this main relationship (SMIM-EP). Age, size and Protected Designation of Origin (PDO) membership are used to increase the precision of the cause-effect relationships examined.Design/methodology/approachThe study proposes a conceptual model based on previous studies, which is tested using structural equations (PLS-SEM) with data collected from 196 Spanish wineries between September 2022 and January 2023.FindingsThe results reveal a positive and significant relationship between the development of SMIM and the EP of Spanish wineries, as well as the partial mediation of CSL in the SMIM-EP relationship.Originality/valueThe uniqueness of this study can be attributed to several factors. First, it enhances the understanding and knowledge of the benefits associated with SMIM development in the winemaking context. Second, no previous research has conducted an empirical study on the development of SMIM as a catalyst for EP in the context of Spanish wineries. Third, to the authors' knowledge, no previous study has examined the mediating role of CSL in the SMIM-EP relationship, thus representing an opportunity to advance scientific knowledge related to SMIM.

This study investigates the effects of team identification on consumer purchase intention in sports influencer marketing in South Korea. Specifically, it examines the mediation effect of ad content value moderated by sports influencer credibility in the relationship between team identification and purchase intention. Team identification positively affected consumer purchase intention and ad content value. Also, ad content value mediated the relationship between team identification and purchase intention. Sports influencer credibility moderated the mediation effect of ad content value on purchase intention as well as team identification. This study provides implications for planning sports influencer marketing in the South Korean market.

Internet users consistently lean towards influencers who actively participate in their respective areas of interest, providing thorough information and genuine product reviews. These practices have the potential to positively influence the decision-making process related to purchasing. This study delves into the realm of influencer marketing, examining it from the viewpoints of both consumers and specialists. The study is based on the qualitative research, employing both individual in-depth interviews and a focus group. More precisely, the investigation included a series of six individual interviews with influencers from Romania and a focus group comprising eight participants to grasp their perceptions of influencer marketing campaigns. The findings underscore the importance of transparency and authenticity for content creators. Influencers tailor their content based on the platform they use, revealing an existing correlation among them, all while underscoring the significance of transparency and striving to maintain close connections with their followers. This study not only offers a fresh perspective on understanding consumers’ views regarding the activities of content creators in the online domain but also sheds light on influencers’ perspectives concerning collaborations, content creation, and their relationships within their community. Theoretical implications encompass the identification of novel behavioral traits among Romanian consumers regarding influencer marketing actions and contributes to a clearer understanding of the term influencer marketing.

Given the heightened awareness of health and sustainable development in contemporary society, light meals have become a popular dietary choice with considerable momentum. This study focuses on the role of influencer marketing platforms in promoting consumer purchasing intentions towards light meals. By conducting a sample survey of 654 consumers in Suzhou City and employing Structural Equation Modeling (SEM) for empirical analysis, the findings indicate that the intervention of influencer marketing platforms has a significant positive impact on both the purchase intention and purchasing behavior towards light meals, and that purchase intention has a mediating effect between influencer marketing platform intervention and purchase behavior. This research further reveals that while influencers share more lifestyle displays and light meal recipes, marketing platforms should strengthen the integration of sustainable development concepts with the light meals industry to enhance product exposure and promote the spread of ideas. In addition, consumers can reinforce this trend by actively participating in social media, sharing purchasing experiences, and proactively seeking information about light meals and sustainable living, thus achieving a beneficial mutual promotion.

Live e-commerce has proliferated as a new business model in recent years. Live-streaming channel selection strategies and behavioral decisions are critical considerations for retailers to enhance business performance by increasing engagement and profitability. This study introduces the spillover effect between influencer and self-live-streaming channels, offering new theoretical insights into sustainable supply chain management from multichannel retailing, game theory, and spillover effects for channel selection and pricing, optimizing dual-channel tactics for inclusive marketing, and challenging pricing and channel effectiveness beliefs. Hence, inclusive and sustainable business practices in live e-commerce have been examined, focusing on dual-digital-channel strategies involving influencer marketing and self-live-streaming. This paper investigates three digital supply chain structures for sustainability, which are based on influencer characteristics: the single digital channel (S), the dual-digital-channel structure without spillover effect (DN), and the dual-digital-channel structure with spillover effect (DS). This study employs Stackelberg game models to analyze behavioral, pricing, and channel preferences, and it also extends the model to offline channels. This study finds that (a) influencer effort affects influencer live-streaming pricing, which may not always be cheaper than self-streaming digital channels; (b) commission rates significantly impact influencer pricing strategies, leading retailers to use skimming and penetration pricing strategies when commission rates are low and high; and (c) retailers may develop influencer live-streaming channels if the cross-price coefficient is medium and low but prefer it when the coefficient and spillover impact are large. By analyzing how these digital channels contribute to societal sustainability through reduced environmental impact and enhanced social inclusion, this research highlights key marketing decisions that optimize business performance and social responsibility in the digital economy. It offers live e-commerce managers strategic channel selection, pricing, and sustainability advice and recommendations for future empirical validation to enhance practical applicability.

The promotion of nutritionally poor food and beverages (F&B) has a proven effect on children’s eating preferences and, therefore, plays a significant role in today’s childhood obesity epidemic. This study’s objective was to assess the prevalence (exposure) and context (power) of the F&B cues in influencer content across three platforms: TikTok, YouTube, and Instagram. The selected influencers were popular with adolescents, with a combined total of more than 34 million followers/subscribers. We employed the YouTube Influencer Marketing Protocol from the World Health Organization (WHO) as our basis for coding. We analysed a total of 360 videos/posts and, of these, 24% contained F&B cues, which is equivalent to 18.1 F&B cues/hour. In total, 77% of the cues were not permitted for children’s advertising, according to WHO criteria, and this was stable across all platforms, with chocolate and sugary confectionery (23%) as the most frequently featured products. Not-permitted F&B had a four-times higher chance of being branded, a five-times higher chance of being described positively, and received significantly more ‘likes’. In 62% of the analysed presentations, the branded product was mentioned, yet only 6% of the content was labelled as advertising. The present analysis delivers further grounds for discussion for policies and regulations of influencer marketing.

This research provides a comprehensive overview of micro-influence marketing, analyzing the characteristics of influencers and the mechanisms of their impact. A systematic review was conducted, encompassing 2091 citing articles and references across 74 studies involving 95 research institutions and over 12,000 samples. Employing an interdisciplinary approach that integrates insights from computer science, information science, communication, culture, psychology, sociology, education, business, and management, this study outlines the distinct features of micro-influencers. These features include performable authenticity, affinity expressed through consistency and transparency, musical and artistic media talent, and competitive individual traits. The research synthesizes antecedents of trust and attachment mechanisms commonly employed in influencer theory, taking an objective standpoint and minimizing emphasis on audience engagement and perception to trigger influence. The findings highlight that followers’ pursuit of self-branding, driven by self-consciousness, social consciousness, credibility, and social presence, significantly influences the impact of self-expressive products on the audience’s purchase intention. The research contributes to micro-influence marketing theory by integrating mechanics, offering practical implications for micro-influencers, and suggesting future research agendas.