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The purpose of this article was to explore the influence of individual perception and social climate on consumer-initiated group-buying purchase decisions. An extended cross-level research model was used to explain how a new mechanism for purchasing through personal interactions could work.

This study utilised a questionnaire survey for data gathering. The subjects of the investigation were group-buying initiators. Hierarchical linear modelling (HLM) was used to experimentally examine the research hypotheses.

The empirical results of the study indicate that the social influence of critical mass can effectively promote positive attitudes and intentions towards consumer-initiated online group buying. An individuals' perception of an initiator's fairness influences their trust in the initiator. In addition, trust in the initiator can positively and significantly influence buyers' attitudes and intentions to online group buying.

Most previous studies on online group-buying focus on how social media influences group-buying behaviours. This study extends social media research by introducing an extended cross-level model to provide a comprehensive investigation into online-shopping. It is a preliminary attempt to systematically verify relationships at the individual and aggregate levels. The decision to group buying requires a relationship of trust to be formed before any transaction takes place, thereby increasing the intention to make a purchase. As a result, group buying is perceived as positive when interpersonal communication is very efficient, or when social influence is high.

This study investigates the relationship between buyers’ psychological antecedent and repurchase intentions in online group buying. Considering and evaluating pre-purchase, the authors measure the buyers’ overall experience of online group buying through their perceived value (PV) and risk. This study examines the influence of PV and perceived risk (PR) on positive electronic word-of-mouth (eWoM) communication and repurchase intention in online group buying.

The authors verify the research model using SPSS and the structural equation modeling-partial least square (SEM-PLS) to analyze 839 convincing respondents. This quantitative research provides insights into online group buying, including the food industry.

The results demonstrate that the buyers’ PV of online group buying enhanced positive eWoM communication and repurchase intention. The willingness of buyers to spread positive eWoM indicates their recognition and satisfaction with a product or brand. Thus, they have the behavioral intention to repurchase in online group buying. The study found that while positive eWoM communication significantly impacts repurchase intention, PR negatively affects PV. The research provides theoretical and practical implications at the end of the study.

This study has some limitations. First, the study only used PV and PR to measure consumers’ considerations and evaluations of the initial stage in the consumer decision journey. Future studies can include more dimensions that may further affect these considerations and assessments to verify the research model. Second, the study only used positive eWoM communication to measure the “enjoy-advocate-bond” of consumption and usage in the post-purchase stage.

The study proposes the sequential relationship in the psychological decision procedure of participating in online group buying and provides valuable managerial implications for managers operating online group buying on third-party platforms. The findings provide good knowledge for the food industry to stay connected with customers and develop their satisfaction.

The purpose of this paper is to identify whether altruistic motivation is a significant factor in online group buying and to examine the effects of altruistic and egotistic motivation on online group buying intention through the psychological processes of trust and satisfaction.

A field study on Ihergo (www.ihergo.com/) was chosen because it is the largest online group buying marketplace in Taiwan. An online survey method was used to collect data. Returned questionnaires numbered 302 responses with 20 incomplete data, resulting in 282 valid responses for data analysis. Collected data were analyzed using structural equation modeling.

The findings of the study shows that altruism is relevant to online group buying, and trust and satisfaction have significantly positive effects on online group buying intention. The results emphasize that altruism, reciprocity, and reputation of motivations are significantly positive predictors of trust. Altruism and reciprocity have significantly positive effects on satisfaction, whereas reputation does not.

Altruism, reciprocity, and reputation represent three key elements of online group buying behavior. Integration of the altruism, reciprocity, and reputation results in a better explanation on online group buying intention through the psychological process, trust, and satisfaction. This study extends the value of online group buying and sheds light on the potential effects of altruistic and egotistic motivation on online group buying intention.

Online group buying is more complex than individual online shopping and is not easy to fulfill customer requirements. To satisfy online group buying, e-vendors might provide altruistic activities, enhance reciprocal services and products, develop better reputation mechanisms, and present an easier approach to encourage online group buying on the web site.

To the best of the knowledge, this is first paper to examine the effects of altruism on online group buying. The contribution of this study draws attention to the altruistic value of electronic commerce, by theorizing and validating the effects of altruistic and egotistic motivation on online group buying intention through psychological processes (trust and satisfaction).

The purpose of this paper is to investigate how online trust affects group shopping intention in the Ihergo web site.

Samples from the Ihergo web site were collected by mailing a questionnaire survey to those who agreed to participate.

Group‐buying operators need to understand their consumers and the scheduling shopping rules between internet shoppers and firms. Moreover, word‐of‐mouth (WOM) can be created online by offering web visitors the ability to access the opinions of satisfied customers.

An online business may adopt different methods to enhance its customer satisfaction level. When people enter a significant amount of personal data at a web site, they are typically reluctant to change vendors and enter the data again.

Customers view a group‐buying operator as a shopping expert, and expect that the group‐buying operator can handle shopping problems before a dispute occurs.

The findings of this study provide interesting insights for group‐buying operators interested in group‐buying commerce; consumers having a high level of interest in shopping possess a strong motivation and desire to interact with the group‐buying operator.

The purpose of this paper is to investigate how perceived benefits, perceived risk, and trust influence Chinese consumers' online group buying organized by institutional initiators.

In total, 578 valid samples were collected via an online survey. Multiple regressions were used to test the research model.

The results show that three perceived benefits (price benefit, convenience benefit, and recreational benefit) and three factors that together represent trust of the initiator (perceived reputation, structural assurance, and website trustworthiness) significantly positively influence consumers' attitudes toward online group buying.

This study is the first one to specifically focus on how perceived benefits and perceived risks influence consumers' attitudes toward online group buying.

The paper aims to explore the factors that influence the risk perception. The moderating roles of purchase experience and purchase involvement are also investigated.

The conceptual model is framed into the SOR (stimulus-organism-response) model, which was tested using data collected from the users of a leading group buying platform in China, with the help of LISREL.

The result indicates that both vendor- and intermediary-related factors exert negative yet significant influences on perceived risk. The relationships between vendor-related attributes and perceived risk are contingent on purchase involvement. The relationships between intermediary-related attributes and perceived risk are subject to purchase experience.

This study explores the moderating effects of purchase experience and purchase involvement based on the characteristics of group buying, demonstrating the differences from traditional online shopping.

Sustainable success of group-buying web sites implies that consumers not only accept them initially but also use them continuously. Most group-buying web sites, however, are unable to achieve such sustainable success. Drawing on expectation-confirmation model (ECM), the purpose of this paper is to examine the factors that influence group-buying web sites continuance.

In total, 605 valid responses were collected via a survey of a leading group-buying web site in China. Structural equation modeling was used to test the research model. This study also compared the three competing models of continued use behavior, namely, ECM, the research model and the integrated model.

The results show that perceived web site quality, perceived price advantage and confirmation are important determinants of consumer satisfaction, while perceived web site quality, perceived reputation, satisfaction and perceived critical mass significantly influence consumers’ continuance intention. The research model accounts for more variance in satisfaction and continuance intention than ECM and is the best-fitting model among the competing models.

Drawing on ECM, this research proposes a model by incorporating three online group-buying characteristics (perceived price advantage, perceived reputation and perceived web site quality) and two social influence factors (subjective norm and perceived critical mass). Specially, this study uses these three online group-buying characteristics to represent perceived usefulness in ECM. These constructs are found to influence consumer satisfaction and continuance intention. This study extends ECM and provides a better explanation of consumers’ post-purchase behavior in the online group-buying context.

The purpose of this paper is to propose that online group buying is different from the traditional purchase model in that an aggregation of purchases on the internet can lead sellers to adopt various bargaining strategies. When buyers and sellers do not have the opportunity to meet face to face, consumer satisfaction is an important consideration for sellers.

This study investigates the influence of sellers’ strategies for offering bargains on consumers’ satisfaction, considering buyers’ characteristics and involvement. Data are analyzed by employing the multivariate analysis of variance.

The results demonstrate that the stage decreasing range strategy results in the highest level of consumer satisfaction with online group buying. In addition, consumers’ cognitive style, computer self-efficacy and involvement have a significant moderating effect on the relationship between incentive strategy and consumer satisfaction.

The findings show that for group buying consumers, stage decreasing range strategy reveals certain advantages, such as a short waiting time for gathering group buyers. Enterprises or online sellers that propose special offers for online group buying as part of their competitive strategy should consider the stage decreasing range strategy. Moreover, enterprises and sellers can adjust their operations according to consumers’ individual characteristics and construct good relationships in online group buying.

This study has investigated the influence of incentive strategies for offering bargains in online transactions on consumer’s satisfaction. The results of this study will provide some guidelines for managers of the e-retailing firms to maximize their abilities in terms of marketing activities.

In 2008, a phenomenon emerged in online retail that attracted the attention of many people, creating a new virtual model of commerce. This phenomenon was called online group buying and arrived in Brazil in 2010. The purpose of this study was to identify the factors that affect satisfaction and loyalty to group buying sites.

Through structural equation modeling, the relationships between the attractiveness of discount rates, service quality, popularity, online brand image, antecedent word of mouth (WOM), creativity and trust in relation to consumer general satisfaction, declared loyalty, repurchase intention and positive WOM were observed. A total of 727 valid questionnaires were collected from online group buyers to test the 11 hypotheses proposed in this study.

The main contribution of this study was that it identified the strong influence of service quality, popularity and online brand image on consumer general satisfaction, and the influence of service quality, trust and general satisfaction on repurchase intention. It also identified the influence of trust, creativity and general satisfaction on declared loyalty, and finally, the influence of trust and general satisfaction on positive WOM.

Because of the extensive and robust model, other statistical interactions among the constructs were gauged. It is possible that new structures and paths for alternative models can be proposed in the future with the inclusion of new relationships not analyzed in the present study. Furthermore, future studies should consider testing the generated model in other countries, as the particular features of collective purchasing in Brazil should be taken into account.

In addition to being concerned with the attractiveness of discounts, marketing managers of group buying sites should concentrate their efforts on strengthening perceived quality, image, trust and the creativity of the site to ensure customer loyalty.

The online group buying business model that was established in Brazil differs significantly from the American and European models. As many online group buying studies have been conducted in these markets, Brazilian consumers will enjoy substantial gains in the quality of the service provided by collective purchasing sites through the development of actions that focus on improving the factors that affect these consumers.

The originality of this study lies in the development of a single model that tests a set of factors gauged separately in other studies related to online purchase behavior in a broader perspective.

More and more disputes have quickly emerged and accumulated, hence generating uncertainties and doubts among consumers regarding the online group-buying. In order to decrease such uncertainties, the purpose of this paper is to explore the relationships among information disclosure, trust, reducing search cost, and online group-buying intention, as well as proposing concrete suggestions for enhancing online group-buying intention.

In order to explore the relationships among information disclosure, trust, reducing search cost, and online group-buying intention, the questionnaire and statistical analytical techniques were used. Moreover, as this study was an early attempt to develop a model for information disclosure, trust, reducing search cost, and online group-buying intention, partial least square therefore was appropriately to analyze data.

The results showed that the level of information disclosure and trust on a group-buying website have positive influence on reducing search costs, while reducing search costs and trust have positive influences on online group-buying intention.

This research applied a purposive sampling method and obtained a slightly inadequate number of respondents. Therefore, it is suggested that future research should apply a random sampling method to collect more responses and increase the generalizability of the findings.

By more actively disclosing information it is possible for group-buying websites to increase consumer trust and decrease search costs, thus enhancing their group-buying intentions.

There are few studies on the relationships among reducing search cost, trust, and group-buying intention from the perspective of information disclosure. This study thus applies a questionnaire survey method to explore the relationships among them. This study also offers concrete suggestions to enhance group-buying intentions, and provides marketing strategies that can be used by online group-buying websites to raise their sales.