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This study aims to investigate the relationship between Internet celebrity characteristics and the follower's impulse purchase behavior in YouTuber. Attachment and parasocial interaction are mediating variables concerning the impact of Internet celebrity characteristics on followers' impulse purchase behavior.

This study conducted an online survey of YouTube users in Taiwan and utilized quota sampling with 500 samples to examine the influence of two types of Internet celebrities on impulse purchase behavior.

As to the empirical results, the main path indicated that the self-disclosure Internet celebrity positively affected the attachment, which mainly positively affected the impulse purchase behavior. The second path showed that the expertise-knowledge Internet celebrity positively affected the attachment, which positively affected the impulse purchase behavior.

YouTube marketers should proceed prudently with the market segmentation and choose the appropriate type of Internet celebrities who are suitable for the product image to differentiate marketing. Empirical results can aid marketers in selecting a product-endorser, and enhance consumers' purchasing effect on product advertisements in interactive marketing.

The novelty of this study is to explore the mediation effect of the impact of Internet celebrity characteristics on followers' impulse purchase behavior in interactive marketing. The explaining mechanism of attachment and parasocial interaction is promised to be highlighted as the contribution of this study to the extant literature. This study constructs a theoretical mechanism between attachment theory and parasocial interaction theory and then can be used as a theoretical lens for designing successful social media strategies and explaining social media brand relationships.

The study aims to assess the moderating role of celebrity characteristics in the relationship between celebrity endorsement and telecommunication companies’ reputation.

Analysis of results was based on 700 customers in the telecommunication sector. Confirmatory factor analysis was conducted to check for validity and reliability of the observed items. A hierarchical regression model was estimated to test the various hypotheses set for the study.

The study finds that celebrity endorsement in itself had no significant effect on the reputation of telecommunication companies. Celebrity attractiveness, likeability and trustworthiness had a direct effect (positive) on the reputation of telecommunication companies and positively moderated the effect of celebrity endorsement on telecommunication company reputation. Celebrity expertise had no direct effect on telecommunication company reputation but positively moderated the effect of celebrity endorsement and telecommunication company reputation.

This study was purely quantitative. Future study could consider a mixed approach and include senior management members of the telecom firms for an in-depth interview.

In signing on celebrities as brand ambassadors, management must pay particular attention to celebrity attractiveness, likeability and trustworthiness. This would be more rewarding to the firms.

The study adds to the little empirical knowledge available on celebrity endorsement in sub-Saharan Africa and telecommunication sector in particular.

The purpose of this study is to extend the Fraud Diamond Theory to celebrity Special Purpose Acquisition Companies (SPACs) and investigate their post-Initial Public Offering (IPO) stock market performance.

After obtaining a sample of celebrity SPACs from the Spacresearch.com database, fraud risk characteristics were obtained from Lexis Nexus searches. Buy and hold abnormal returns were calculated for celebrity SPACs versus a small-cap equity benchmark for time intervals after IPO, and multiple regression analysis was performed to examine the relationship between fraud risk features and post-IPO returns.

Celebrity SPACs exhibit Fraud Diamond characteristics and significantly underperform a small-cap stock portfolio on a risk-adjusted basis after IPO.

This study only examines celebrity SPACs that conducted IPOs on the NYSE and NASDAQ/AMEX and does not include those that are traded on the Over the Counter Bulletin Board (OTCBB).

Celebrity endorsement of SPAC vehicles attracts investors who may not be properly informed regarding the risk characteristics of SPACs. Accordingly, investors should be warned that celebrity SPACs underperform a small-cap equity portfolio and exhibit significant elements of fraud risk.

The use of celebrity endorsement as a marketing device to attract investment in SPACs has regulatory implications.

To the best of the authors’ knowledge, this paper is the first to examine the fraud risk characteristics and post-IPO performance of celebrity SPACs.

The purpose of this study is to use the grounded theory to summarize the types of celebrity persona and to construct a theoretical model for celebrity persona on consumer purchase intention. Based on the study results, it provides better suggestions for merchants and live streamers and is an expansion of previous research on live-streaming e-commerce.

The grounded theory is recognized as the most scientific qualitative research method and is the ideal explorative method for generating theory. First, the participants were interviewed, and interview data were collected. Then the interview data were organized and analyzed. Finally, this paper summarizes the types of celebrity persona and constructes a theoretical model framework of celebrity persona on consumers' purchase intention.

The results show that the celebrity live streamer persona can be divided into two types: personalized persona and professional persona. Through emotional attachment, the celebrity's persona affects the consumer's purchase intentions. As well as, product type plays a moderating role between celebrity persona and consumer purchase intentions.

The contribution of this research is to start from the celebrity persona, link the celebrity persona with the consumer purchase intentions and expand the research scope of the celebrity persona. It opens the “black box” of the heterogeneity of celebrity live streamers' characteristics on consumer purchase intentions.

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.

The purpose of this paper is to introduce and examine the effect of a celebrity’s eye gaze on self-celebrity connection. A celebrity’s direct (vs averted) eye gaze can be used as a tactic in social media posts to increase self-celebrity connection and behavioral intentions. Examining the effectiveness of a celebrity’s eye gaze is important, as celebrities regularly use social media to manage their brand image and to build a relationship with consumers.

Study 1 examines the effect of a celebrity’s eye gaze (direct vs averted) on self-celebrity connection. Study 2 investigates the role of celebrity authenticity in explaining the effect of a celebrity’s eye gaze on consumer–celebrity brand relationships. Study 3 examines the moderating role of a non-Duchenne smile (fake, social smile) in diluting the effect of a celebrity’s direct eye gaze on self-celebrity connection and the downstream consequences on behavioral intentions.

The findings from Study 1 indicate that a celebrity’s direct (averted) eye gaze strengthens (weakens) self-celebrity connection. Study 2 provides evidence of celebrity authenticity as the explanation for stronger consumer–celebrity connection when a celebrity is featured with a direct eye gaze. The results of Study 3 show that a fake smile in a celebrity’s social media posts can weaken relationships with and behavioral intentions toward celebrities with a direct eye gaze.

This paper is limited, as it focuses only on eye gaze and smiles as non-verbal cues depicted in celebrity images on social media.

This paper has important implications for celebrities, celebrity brand managers (including digital/social media marketing managers and public relations professionals) and advertisers. Celebrities, celebrity brand managers and advertisers should develop social media posts that can strengthen consumer–celebrity relationships and positively influence behaviors toward the celebrity through: 1) ensuring that photographs are taken with the celebrity looking directly into the camera at the target (audience); and 2) avoiding posting images of a celebrity’s direct eye gaze with a non-Duchenne (fake) smile.

This paper introduces and provides evidence of a celebrity’s direct eye gaze–self-celebrity relationship effect. Tactics, such as eye gaze, can strengthen consumer–celebrity relationships, which is crucial in building brand equity and in increasing financial value for the celebrity.

There is growing interest among marketers in advertising and promoting their brands by adopting an online celebrity endorsement strategy. However, how online celebrities build their own brand equity and how online celebrity brand equity impacts fans’ purchase behavior have not been extensively researched in the extant literature. This paper aims to explore the factors that contribute to online celebrity branding and improving fans’ purchase intentions.

A survey and an experiment were conducted among consumers from the mainland of China. A total of 12 hypotheses were proposed to exam how self-congruity and virtual interactivity impact online celebrity branding and to explore the moderating role of perceived quality and product type.

This paper reveals that customers’ perceived self-congruity with online celebrities’ image and virtual interactivity positively impact the brand equity of online celebrities. Additionally, compared with virtual interactivity, the effect of customer perceived self-congruity on a brand is more significant. The brand equity of online celebrities thereby drives followers’ purchase intentions and the perceived quality of products positively moderates this relationship.

The research conclusions provide managerial implications for marketing practitioners for how to use human brands on social media platforms in the web 2.0 era and ultimately enhance consumer purchase intentions.

With the popularity of social media and, recently, live streaming, internet celebrity endorsements have become a prevalent approach to content marketing for e-commerce sellers. Despite the widespread use of social media and online communities, empirical studies investigating the economic value of user-generated content (UGC) and marketer-generated content (MGC) still lag behind. The purpose of this paper is to contribute both theoretically and practically to capture both first-order effects and second-order effects of internet celebrity endorsements on marketing outcomes in an e-commerce context.

This study conducts a cross-sectional regression to evaluate the economic value of internet celebrity endorsement, and a panel vector autoregressive model is adopted to examine the relationship between celebrities’ and consumers’ content marketing behaviors and e-commerce sales performance. The authors also adopt look-ahead propensity-score matching technique to correct for selection bias.

The empirical results show that the content generation efforts of marketers and the interaction behaviors between marketers and consumers will significantly influence the e-commerce sales, which refers to the first-order effects of internet celebrity endorsement. Moreover, interactions within the fan community exert second-order effects of content marketing on sales performance.

This paper provides new insights for e-commerce retailers to evaluate the economic values of internet celebrity endorsement, a new content marketing practice in e-commerce platform.

Celebrity endorsement advertising is a prevailing advertising technique. Some marketers choose to utilize multiple celebrities to promote their products or brands. Nevertheless, it is surprising that so little research has focused on this phenomenon. This research discussed advantages and potential concerns of multi‐celebrity endorsement advertising and documented the actual use of multiple celebrity endorsers in the milk mustache campaign in the USA. We analyzed the content of the 50 milk mustache ads appearing on the http://www.whymilk.com Web site on a list of celebrity‐ or product‐related dimensions. Overall, we found that these milk mustache ads have matched their celebrities’ gender, age and type of milk attributes in appealing to their female/male, teen/adult consumers. The results support that fit between the endorsed product and various celebrities is a key factor for using multiple celebrity endorsers in advertising.

The aim of this paper is to summarize the celebrity endorsement literature to identify trends and challenges related to key research areas. Based on a critical review of existing literature, this paper presents several recommendations regarding potential future directions of celebrity endorsement research in hospitality and tourism.

The paper presents a critical review of literature from both the general marketing and hospitality and tourism fields.

Over the past decade, significant progress has been made in hospitality and tourism celebrity endorsement research, with several new constructs being revealed and tested. However, the extant findings are rather mixed and inconclusive because industry features have not been systematically examined and study contexts and samples have varied widely. To advance the hospitality and tourism celebrity endorsement research, an extended meaning transfer model with six propositions is proposed. Several areas for future research are also discussed.

This paper offers up-to-date findings on celebrity endorsement to practitioners, and the proposed extended meaning transfer model can provide marketers useful guidelines on selecting appropriate endorsers for their products/brands.

In previous studies, scholars mainly used one or more of the three types of celebrity endorser selection models and only examined specific antecedents of effective endorsement. To date, researchers have not yet conceptualized a modified model that captures the unique features of the hospitality and tourism industry and reconciles the mixed findings in the extant literature. This paper proposes an extended meaning transfer model to explain the endorser selection process, provides a good foundational understanding of the extant celebrity endorsement research and makes several recommendations regarding future research directions for hospitality and tourism scholars with implications for practitioners.