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This paper aims to explore the role of source credibility while purchasing environment-friendly products using Ajzen’s (1991) theory of planned behavior as underpinning model.

The proposed theoretical model was empirically tested with the data collected from 334 respondents using structural equation modeling.

The results gave empirical support to the addition of source credibility to the original theory of planned. Moreover, consumer attitude was found mediating the effect of corporations’ credibility on purchase intention. Also, attitude and perceived behavioral control were found as the most important predictors of consumer’s intention to purchase environment-friendly products.

This study provides valuable insights for the marketers engaged in sustainable business practices. Amid, ever-increasing carbon emission, promoting the use of environment-friendly products has become the need of the time. Credibility plays a crucial role while promoting and communicating an organization’s sustainable practices among its stakeholders including consumers. Therefore, the marketer should formulate appropriate marketing communication strategy to communicate the consumer about the green practices and environment-friendly products they produce. The results suggest that corporation’s credibility shapes consumer attitude and influences intention to purchase environment-friendly products. Earning trust of the consumer is pivotal to achieve success in the market. Therefore, results may help the marketers to better understand consumer’s response toward their marketing strategies and further convince and persuade them to buy their products.

The findings of this study may be useful for marketers, strategists, policymakers and government while formulating promotional strategies to make consumer aware, educate and persuade them to purchase products which do not cause harm to the environment.

The study is novel in terms of exploring role of source credibility and extending theory of planned behavior in the context of sustainable consumption.

The purpose of this study is to examine the role of leader and organisational credibility in influencing customers’ intention to support Islamic social enterprises.

The credibility of the leader and that of the social enterprise are exposed through advertising. Ads portraying the six largest Islamic social enterprises in Indonesia and their social entrepreneur leaders were shown to 221 existing customers via online and offline surveys.

The findings indicate that organisational credibility and organisational branding have much greater influence than leaders’ personal credibility on customers’ intention to support Islamic social enterprises.

The study has highlighted the greater role of organisational credibility and branding over advertising in attracting support for Islamic social entrepreneurship.

Islamic social enterprises need to develop a trusted brand and establish a more effective way to communicate with their stakeholders besides advertising, as the impact of ads on customer support intention is not significant.

The study contributes to the field of marketing and social entrepreneurship by providing empirical results on the Islamic social entrepreneurship phenomenon.

Advertisers use various tactics to influence consumer purchases and create positive associations with their brands. The purpose of this study is to explore the formation of peer-endorser credibility and its influence on attitude formation. The role of product involvement in the formation of attitudes and endorser credibility is also examined.

A quantitative study was conducted among university students. Data were collected using an online questionnaire concerning three advertisements for which identical questionnaires were constructed; 364 responses were generated.

The authors show that the credibility of a peer endorser is constructed from trustworthiness, expertise, similarity and attractiveness dimensions that positively affect consumers’ attitude toward an advertisement and a brand. Product involvement affects advertising effectiveness indirectly through the endorser-credibility construct. Finally, the authors show that a consumer’s experience with an advertised product affects the perception of endorser credibility and the effectiveness of the advertisement.

The findings reveal new insights into the little studied area of peer-endorser effectiveness. The authors shed light on the construction of peer endorser credibility and the relative importance of specific credibility dimensions on the effectiveness of an advertisement. This study also provides information on the direct and indirect effects of consumers’ brand involvement on attitudes toward advertisements.

The purpose of this paper is to determine whether negative meanings consumers attribute to a corporation transfer to the endorser and to examine the moderating effects of corporate-specific and product-specific negative meanings on an endorser’s credibility.

Following a protocol designed by Till and Shimp (1998), two experiments were conducted to examine if meaning transfer exists (experiment 1) and if meaning type moderates reverse meaning transfer (experiment 2). A doubly repeated multivariate analysis of variance was conducted to investigate changes in the endorser’s credibility and attitudes toward the brand.

The results revealed that the negative meanings consumers associated with these corporate crises influence consumer perceptions of the endorser as well as attitude toward the brand.

This finding supports the position that meaning type moderates reverse meaning transfer and may explain variances in the literature on the significance of reverse meaning transfer. Based on these findings, brand crises have a negative effect on the endorser’s credibility.

The results lead the authors to suggest that endorsers as well as marketers should closely scrutinize brand partnerships, as the relationship may positively and negatively influence consumer perceptions of the athlete endorser.

Based on the findings from this study, brand managers need to appreciate differences in brand crisis type by tailoring brand image remediation strategies to fit the type(s) of meaning(s) associated with a specific controversy.

The results from the current study add, significantly, to the literature by being the first to evidence that different meanings associated with different types of brand crises produce different attitudes toward the brand.

This study explores the influence of parasocial interaction (PSI), brand credibility and product involvement on celebrity endorsement, and how PSI interacts with brand and product factors and affects celebrity endorsement synthetically.

This study employs a 2 (high/low product involvement) by 2 (high/low brand credibility) between-subjects factorial design experiment to test the hypotheses.

Brand credibility has a positive effect on followers' attitudes toward advertising and products, and product involvement influences its moderation. PSI has salient positive effects on followers' attitudes and behavioral intention, regardless of high/low product involvement. Brand credibility mediates PSI's influence on celebrity endorsement.

The results reinforce the significant effect of PSI on endorsement effectiveness and brand credibility, show the influence of brand credibility and product involvement and show how their influence conditionally interacts with others.

The corporate advertiser should prefer a high PSI celebrity as their endorser. The advertising message design on the microblog also deserves the attention of advertisers.

This study is the primary attempt to construct an integral model to demonstrate the synthetic effect and interaction process of consumers' perception of the endorser, brand and product category factors on celebrity endorsement within the social media context.

This study aims to examine how young consumers perceive the advertising effectiveness of endorsements by virtual idols and how endorsements by virtual idols differ from endorsements by real human celebrities such as traditional celebrities and online influencers.

An experimental study was conducted with 400 randomly selected young respondents in China in December 2022. A 3 × 2 factorial design was used to test how the type of celebrity endorser and level of product involvement influence the persuasiveness of advertising aimed at young adults. Among 400 respondents, the average age was 21.5 years. A total of 193 male and 207 female respondents participated in the experiment.

Young consumers find virtual idols, online influencers and traditional celebrities attractive. Although virtual idols are the least credible among the three types of celebrity endorsers, young consumers tend to be more convinced by their endorsements of products with low levels of consumer involvement than those with high levels of involvement. Among the three types of celebrity endorsements, young consumers find traditional celebrities the most effective. In addition, young consumers’ attitudes toward celebrity endorsers mediate the impact of celebrity endorsers’ attractiveness and credibility on their attitudes toward the advertisements. The perceived level of product involvement moderates the transfer of meaning from the attitude toward the celebrity endorsers to the attitude toward the advertisement.

First, when choosing celebrity endorsers to advertise products targeting young consumers, marketing communication practitioners should give priority to the endorsers’ perceived credibility, as young consumers have a variety of views about them that can significantly affect their attitudes toward the advertisement. Second, real human celebrity endorsers are more effective than virtual idols in celebrity endorsements. However, virtual idols may be suited for use in advertisements to promote products with low involvement levels, such as soft drinks.

To the best of the authors’ knowledge, this is the first experimental study to attempt to analyze the effectiveness of virtual idols in advertising aimed at young consumers. This is also the first comparative study to introduce virtual idols as celebrity endorsers in product advertising and to compare their effectiveness with that of the two other types of commonly discussed celebrity endorsers, traditional celebrities and online influencers.

This research examines whether consumers infer that celebrity endorsers like the products they endorse, and presents a model using these inferences and other characteristics of the endorser to predict attitudes toward the endorsed product. Participants in two experiments examined written endorsement advertisements and were asked to infer the extent to which the endorser truly liked the advertised product and to rate the endorser's attractiveness, similarity to themselves, and knowledge of the product. Attitudes toward the advertisement, the endorser and the product were also measured. The resulting model indicated that product attitudes were predicted by inferences about the endorser's liking for the product and by attitudes toward the endorser.

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.

This study aims to examine the influence of five sports celebrity personality (SCP) attributes – attractiveness, expertise level, credibility, trustworthiness and character – on consumers' purchase intentions (CPI). It identifies celebrity brand congruence (CBC), endorsed brand celebrity (EBC) and transfer of brand image (TBI) as antecedents of CPI.

The purposive sampling technique was used to collect the data from 838 respondents. This study developed a multidimensional construct for SCP. The covariance-based structural equation modeling (SEM) technique was used to examine the relationship between SCP and the endorsed brand. The study used CBC as a mediator and EBC and TBI as partial mediators. The direct and indirect effect of SCP on CPI was investigated using CBC, EBC and TBI as mediators.

This study supports the importance of three antecedents (i.e. CBC, EBC and TBI) on CPI. It finds congruence across SCP and CBC variables, and a positive impact of SCP on EBC and TBI variables. Also, it exhibits a significant direct effect of CBC on EBC and TBI, whereas the direct effect of CBC on CPI is not substantial. The indirect effect of CBC through mediating variables EBC and TBI found to be significant.

This study concludes that sports celebrity endorsement is essential to transfer the positive celebrity image to the endorsed brand image. However, it is not merely sufficient to influence the buyers' purchase conduct; the brand credibility additionally assumes to take a role in changing their behavioral intentions.

This study contributes to the sports marketing literature by its novelty in analyzing the sports celebrity personality at a multidimensional level. It uses SCP's different attributes as one construct and studies its impact on CPI by taking CBC, EBC and TBI as mediators. The results of this study equip sports management professionals with the knowledge to build better long-term relationships with consumers.

The purpose of this study is to understand how perceived micro-celebrity-product image congruency and product type affect native advertising effectiveness on Instagram. Additionally, the study aims to understand how advertising skepticism and persuasion knowledge affect the effectiveness of native advertising featuring micro-celebrity.

This study was administered online using a 2 (product type: high self-expressive vs low self-expressive) × 2 (micro-celebrity and product congruity: congruent vs incongruent) between-subjects factorial design to test the hypotheses. A total of 186 participants, all Instagram users living in the USA, were recruited using an Amazon Mechanical Turk (MTurk). After screening out 14 respondents who were not Instagram users or did not fully answer the questions, a total sample of 172 valid and complete responses were included for hypotheses testing.

The results revealed that when native advertising featured highly self-expressive products and micro-celebrities with good product image fit, consumers had a more positive attitude toward the ad and the brand, higher source credibility and higher electronic word-of-mouth intention. In addition, advertising skepticism was found to moderate the effect of micro-celebrity-product fit on source credibility.

This study is the first to examine the effect of micro-celebrity and product congruence on native advertising effectiveness. Moreover, the study provides a better understanding of the advertising skepticism and its influence on source credibility. It discusses why a micro-celebrity’s image is a critical factor in shaping attitudes toward native advertising. This study contributes to both the native adverting and influencer marketing literature.