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ResumoA internet causou uma verdadeira revolução no marketing boca-a-boca. Essa comunicação, que antes demandava o contato pessoal, agora é compartilhada globalmente por meio de plataformas virtuais entre indivíduos desconhecidos e geograficamente dispersos. O objetivo deste estudo é avaliar os fatores que afetam a adoção de informações em comunidades de consumidores online. Com uma amostra de 288 respondentes, os dados obtidos foram analisados por meio da modelagem de equações estruturais. Os resultados apontam que a percepção de utilidade das informações se mostrou importante para o processo de adoção das opiniões, sendo a relevância e a confiabilidade da fonte os fatores que mais influenciaram a utilidade percebida. Palavras-chave:eCommerce, boca-a-boca online, comportamento do consumidor. AbstractInternet has revolutionized word-of-mouth marketing. Once face-to-face, word-of-mouth communications can now be exchanged globally via a multitude of platforms, allowing virtual strangers to share information regardless of geographical boundaries. This study aims to evaluate factors affecting the adoption of information among members of online consumer communities. Structural Equation Modelling (SEM) was used to analyze data from a 288 respondent sample acquired via survey and results indicate that information utility, majorly driven by its relevance and reliability, is crucial for information adoption processes.

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This study aims to evaluate the relationship between a customer’s brand switching intentions and his commitment to a brand. Based on a literature review, constructs related to customer brand commitment were identified (affective and continuance commitment, trust, satisfaction, switching costs and alternative attractiveness) and their roles in the formation of brand switching intentions hypothesized. Through a cross-sectional survey, a sample of 201 smartphone users was collected to test the proposed relationships. Data analysis was carried out via structural equations modeling, with direct effects of trust, satisfaction, switching costs and alternative attractiveness upon the different kinds of commitment being verified. Furthermore, both types of brand commitment (affective and continuance) were found to negatively impact a customer’s intention to switch brands. Regarding enterprise customer strategies, the research findings suggest that, if firms are able to track customer brand commitment, they could use such knowledge to develop better relationship strategies, minimizing customer defection and further developing customer value to the company.

The aim of this study is to propose a model to evaluate consumers’ intention of adopting a new type customer service technology, self-service customer services (SSCS), analyzing the effects that consumers’ cognitive and affective perceptions about technology along with their communication with peers in social media have on their intention to adopt services of this nature. An online questionnaire was made available over the Internet to a base of 830,000 customers of a large mobile telecom carrier, with 5,262 valid questionnaires being obtained in response. Through structural equation modeling, the assumptions of the model were tested and the results show evidence of the influence of cognitive, emotional and social aspects on the consumer intention to adopt self-service customer service technologies.