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There are two major strategies for short video advertising which are KOL (key opinion leader) endorsement and in-feed advertising. The authors aim to research the effectiveness of these two strategies for heterogeneous sellers.

The study employed a data set of users from Douyin. Using an endogenous treatment model, the study empirically examines the two strategies' effectiveness in attracting product traffic for online retailors at a short video app Douyin (TikTok).

The results show that the performance of in-feed advertising is higher when the seller's product is of lower price and when the seller has smaller cumulative video exposure. In addition, KOL endorsement is effective regardless of the product price, but performs better when the seller has larger cumulative video exposure.

To the best of the authors’ knowledge, this study is one of the first to explore the interaction effects of two major advertising strategies, KOL endorsement and in-feed advertising on short video platforms. The findings provide important theoretical contributions and practical implications.

The authors examine mutually exclusive sub-groups of congruent expectations for leader and follower roles relate to sub-groups of self-other endorsement, and how these patterns predict relationship quality.

The authors examine patterns of congruent implicit theories relate to patterns of self-other endorsement, at the dyadic level, using latent class analysis in 193 working-adult dyads. The authors then examine how these patterns predict leader and follower assessments of relationship quality using general linear models (GLM).

The authors supported 4 classes of dyads with specific patterns of congruent (or incongruent) ILT's and IFT's: Role congruent, exchange congruent, committed leader congruent, and role incongruent dyads. Class membership predicted leader-assessed leader-member exchange (LMX) and perceived support. The authors then supported 3 classes of self-other endorsement: dyads with mutual endorsement, leader identity endorsement, and no endorsement. Class membership predicted follower-assessed LMX, perceived support, and perceived contribution from leaders. Class membership corresponded meaningfully.

The authors empirically examine the extent to which relationship behavior can be understood: (1) by similar implicit theories, or (2) through identification with a leader or follower role. Moreover, the authors uncover unique combinations of congruence, and address a key challenge posed by traditional variable-oriented strategies typically used in LMX research.

Many consumer packaged goods (CPG) companies have increased the visibility of their corporate brand to consumers by adding a corporate logo (e.g. Unilever “U”) on the packaging of their product brands (e.g. Dove, Domestos, Lipton, Knorr) and showcasing their product-brand portfolio in additional corporate-brand advertising. This paper aims to investigate consumer needs and product-brand familiarity as moderators of the impact of such a strong form of corporate-brand endorsement on the evaluation of established CPG product brands.

Two experiments with n = 670 and n = 118 respondents compare consumer evaluations of eight (Study 2: ten) product brands of a major German (Study 2: Anglo-Dutch) CPG company with versus without corporate-brand endorsement. The authors measure (Study 2: manipulate) the importance a consumer attaches to symbolic, experiential, relational and functional needs in brand choice.

Corporate-brand endorsement improves (decreases) the evaluation of established CGP product brands among consumer segments who base their brand choice in a CPG category predominantly on functional or relational (experiential or symbolic) needs. Furthermore, it exerts a negative effect on product brands among heavy category users due to their higher product-brand familiarity.

Rather than endorsing all its product brands with the corporate brand, a CPG company should do so selectively, depending on the positioning and target audience of each product brand.

To the best of the authors’ knowledge, this paper is the first to demonstrate the importance of consumer needs and product-brand familiarity in corporate-brand endorsement.

Celebrity endorsement is one of the most popular marketing communication tools that have been used by beverage companies to influence consumers’ behaviour, but little is known about the extent this communication strategy can be impactful and benefit alcoholic beverages like beer and wine. In this context, this study aims to examine whether and how social media celebrity endorsement influences consumers’ beer and wine purchase behaviour. Further, this study examines what are the characteristics of the celebrities that exert greater influence on beer and wine purchase behaviour.

Based on the source credibility and source attractiveness theoretical models, and on the match-up theory, a model of consumer purchase behaviour was proposed. Online celebrity endorsement was categorised as promoting either beer or wine, as well as beer and wine brands. Then, this model is empirically analysed through multiple group structural equation modelling on two samples of consumers who read online celebrity’s recommendations in Spain (beer = 280; wine = 277).

Findings indicate that celebrity’s recommendations exert a different influence pattern on consumer purchase behaviour depending on the product category: congruence is the most relevant variable in beer endorsement, whereas expertise is the most influencing factor in wine celebrity recommendations. Therefore, beer celebrity endorsers should be congruent with the product, whereas wine endorsers should be perceived as experts.

This study extends the literature on celebrity endorsement providing an empirical examination of the social media celebrity characteristics that influence consumer purchase behaviour of beer and wine, reporting interesting differences between these two alcoholic beverages.

This paper aims to clarify the persuasion mechanism of chief executive officers (CEOs) and employees as endorsers of brand advertising and helps discern consumer attitudes toward internal endorsement.

The exploratory character of the present research required a qualitative approach combining focus groups and face-to-face interviews considered as both meaningful and complementary.

The findings suggest that while the celebrity endorsement ensures familiarity and likability, internal endorsement supports credibility and congruity with an important role of storytelling. Moreover, employee endorsements induce an internalization process based on the real-self, while the endorser CEO induces admiration grounded in the ideal self. More fundamentally, the study reveals how the internal endorsement modifies the meaning transfer model and involves a process of meaning translation, which affects the corporate brand image rather than the product brand image.

The present paper reveals that CEOs and employees can be strong levers for gilding the corporate brand image compared to the celebrities who enhance the product brand image. Moreover, the authors show that the CEO is a character who can be admired without the threat of upward comparison at the opposite of celebrities. Finally, this research highlights the specific role of employees bringing authenticity because of their anchorage in real life.

This paper aims to elucidate instances whereby celebrity endorsements by social media influencers (SMIs) embedded within online consumption communities are perceived as transgressive by their fellow community members. In doing so, this study provides insights into the new challenges and considerations that such community contexts present for celebrity endorsement.

The research team conducted a longitudinal, netnographic study of the YouTube beauty community, involving an initial phase of netnographic immersion followed by an investigative netnography that examined community members’ response to celebrity endorsements by 12 SMIs within the community.

This study identifies five recurring celebrity endorsement transgressions, each violating an established moral responsibility within the community. The paper explores how community members attribute responsibility for transgressive endorsements and identifies consequences for both the SMI and the endorsed brand.

This study focused on a single consumption community, developing a deep understanding of the distinct moral responsibilities that shape the reception of celebrity endorsements within this context.

The paper presents managerial recommendations that will aid both SMIs and brands in implementing celebrity endorsements that avoid communal perceptions of transgression.

The analysis extends prior study on celebrity endorsement by SMIs by explaining when and why SMI endorsements are likely to be perceived as transgressive by the community and providing new insights into community member responses to transgressive SMI endorsements. It also extends wider theories of celebrity endorsement by highlighting the influence of consumption community contexts upon endorsement reception and examining consumer responses to celebrity endorsements perceived as transgressive in and of themselves.

This paper aims to examine the importance of celebrity brands in influencing consumer perceptions of celebrity authenticity, which drives positive consumer attitudes and intentions. In addition, the notion of low-celebrity investment is investigated as a factor that diminishes the positive outcomes associated with celebrity brands.

Study 1 examines the effect of brand situation (endorsement versus celebrity brand) on consumer attitudes and intentions. Studies 2 and 3 investigate the role of celebrity authenticity in explaining the effects observed in Study 1. Study 4 examines celebrity investment as a bound of the phenomenon.

Study 1 demonstrates that consumers report heightened attitudes and intentions towards celebrity brands when compared to endorsements. Studies 2 and 3 provide evidence that authenticity explains the effects observed in Study 1. Results of Study 4 show that when consumers are aware of low-celebrity investment, the celebrity is viewed as inauthentic regardless of brand situation.

This research is limited as it focuses only on known celebrity endorsers who were matched with products that had a high level of fit. In addition, purchase intentions were measured as opposed to the study of actual purchase behaviour.

This research has important implications for the development of endorsements and celebrity brands by demonstrating that consumers view celebrities as authentic when they are involved with brands for reasons other than monetary compensation.

This research shows that consumers have heightened attitudes and intentions towards celebrity brands compared to endorsements. This research identifies celebrity authenticity as the process underlying the observed phenomenon. However, celebrity investment is identified as a boundary condition demonstrating that knowledge of low investment results in a celebrity being viewed as inauthentic.

Numerous companies have launched brand pages (BPs) on social networking sites to enhance customer-brand communication, cultivate the customer-brand relationship and promote brand loyalty. This study aims to investigate how BP affordances support social commerce.

The study devises a theoretical model linking the proposed BP affordances (visibility, selectivity, persistence and interactivity) to three customer values (relationship quality, brand experience and smart shopping feeling [SSF]) to encourage brand loyalty and BP endorsement on the part of the customer.

Data collected from 591 respondents support all proposed hypotheses. The model explains high variances in brand loyalty and BP endorsement, indicating that relationship quality plays a more salient role in producing brand loyalty, while SSF plays a more important role in eliciting BP endorsement.

The study is unique in four ways. First, drawing on the lens of affordance, it proposes specific affordances for BPs and offers empirical results for their applicability. Second, by incorporating CDL into the research model, it illuminates the high explanatory power of these proposed BP affordances on the three customer values. Integrating the S-O-R model with the affordance perspective and CDL provides a more complete picture of the BP phenomenon. Third, it extends the reach of existing work by examining BP endorsement in social media as a dependent variable beyond brand loyalty, with SSF included as another source of values to shed more light on the relationships depicted in the model. Fourth, by taking trait competitiveness into account, it sheds further light on relationships between customer values and BP endorsement.

As the superiority of sports celebrities' endorsements has been questioned, the purpose of this study is to identify various types of endorsers' direct and indirect effects on consumers' purchase intentions.

Empirical data were collected from 240 useful responses to an online experiment, and research hypotheses were tested using (moderated) serial mediation analyses.

The study's findings indicate that an endorser has a positive influence on consumers' purchase intentions through their perceptions of the advertisement and the endorsed brand. A moderated serial mediation analysis finds differences in the four types of endorsers analyzed. A sports celebrity is the most effective type of endorser in increasing consumers' purchase intentions, whereas endorsements by company managers and peer consumers, while also positive, are less effective in influencing advertising outcomes. An expert's endorsement is comparable to that of a manager but not significant.

The generalizability of the study's findings is limited because of a restricted data sample, the use of fictitious endorsers and the limited number of product categories and brands analyzed.

The study systematically analyzes the behavioral influence of four types of endorsers on consumers' purchase intentions, mediated by their perceptions of the advertisements and the endorsed brand. The results of this analysis extend the current state of endorsement research, indicating that endorsements should be integrated into companies' marketing strategies and provide marketing professionals practical guidance on which type of endorser is most effective in influencing advertising outcomes.

The purpose of this study is to contrast athlete endorsement vs athlete sponsorship from a power imbalance perspective when a scandal strikes the athlete.

A first study was conducted with a probabilistic sample of 252 adult consumers where the type of brand–athlete relationship (endorsement or sponsorship) and the level of congruence between the two entities (low or high) were manipulated in a mixed experimental design. A second study with a probabilistic sample of 118 adult consumers was conducted to demonstrate that consumers perceive that the balance of power between the brand and the athlete is not the same in endorsement and sponsorship situations.

The results of the first study showed that when an athlete is in the midst of a scandal, the negative impact on the associated brand is stronger in the case of an endorsement than in the case of a sponsorship. However, this occurs only when the brand–athlete relationship is congruent. The results of the second study showed that the athlete’s power relative to the brand is greater in an endorsement than in a sponsorship context.

The findings suggest that a company that worries about the possibility that the athlete with whom it wants to build a relationship be eventually associated with some negative event (e.g. a scandal) should consider sponsorship rather than endorsement as a strategy.

This study is the first to compare the athlete endorsement and sponsorship strategies in general and the first to put forward the notion of power imbalance in brand–athlete partnerships, its impact on how the two entities are represented in consumers’ memory networks and the consequences on brand attitude when the athlete is associated with a negative event.