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Online consumer reviews are increasingly used by third-party e-commerce organizations to shed light on the positive and negative sides of the brands they sell. However, the large number of consumer reviews requires these organizations to shortlist the most helpful ones to cope with information overload. A growing number of scholars have been investigating the determinants of review helpfulness; however, little is known about the influence of cultural factors in consumer's evaluation of review helpfulness.

This study has adopted Hofstede's cultural values framework to assess the influence of cultural factors on review helpfulness. We used a sample of 570,669 reviews of 851 hotels published by reviewers from 81 countries on Booking.com.

Findings reveal that reviewers from cultural contexts that score high on power distance, individualism, masculinity, uncertainty avoidance and indulgence are more likely to write helpful reviews.

This is one of the first cross-cultural studies in marketing using a big data approach in examining how users of reviews from different countries evaluate the helpfulness of online reviews.

Despite the growing consensus that consumers extensively use online reviews and that negative reviews can significantly damage brand equity, it remains uncertain whether negative online reviews that focus on different aspects of a service have a similar or differential effect on brand equity. This study aims to fill this gap and explores the mediating role of emotional contagion and what kind of response helps better deter their negative effect.

This research is conducted through a one-panel study and three experimental studies. SAS enterprise miner is used for text mining analysis and Analysis of variance (ANOVA) and Process macro models are used to analyze the experimental data.

Negative reviews related to the tangibility, responsiveness and empathy dimensions have a more detrimental effect on brand equity than negative reviews related to the assurance and reliability dimensions. The results also provide evidence that emotional contagion is more prevalent when consumers read reviews that are specific to the empathy and responsiveness dimensions. Finally, accommodative responses from the service provider are more effective in deterring the effect of a negative online review on brand equity.

The generalizability of this study is limited to the restaurant and hotel industry.

The findings will also help the brand manager in understanding the comparative effect of service quality-specific negative reviews on brand equity and also the type of responses that brand managers should give to negative reviews.

Despite online reviews receiving increased attention in academic research, Service quality (SERVQUAL) dimension-specific reviews have not been studied until now. This study contributes to the service quality-related literature by providing evidence that not all negative online reviews related to different Service quality (SERVQUAL) dimensions equally affect brand equity.

This study developed a new interpretation of the attitude contagion theory, with the information adoption model (IAM) as the theoretical basis. A review of electronic word-of-mouth studies was conducted by using informational and individual determinants to develop an integrated empirical model that identified the antecedents and consequences of consumer attitude toward online reviews.

This study recruited 750 members of Facebook beauty fan pages in Taiwan and used the structural equation model to test research hypotheses.

Results revealed that perceived “ electronic word-of mouth (eWOM) credibility of online reviews” and “product involvement” could be used to explain the effects of attitude toward online reviews. Regarding the attitude contagion effect, the effect of “attitude toward online review” on both “attitude toward a product” and “attitude toward a brand” is stronger than that on “eWOM adoption.”

This paper provides valuable insights into the antecedents, consequences and mediating mechanisms that determine consumer attitude toward online reviews.

The study aims to examine the effects of ulterior motives in peer and expert supplementary online hotel reviews on consumers' perceived deception, dissatisfaction, and its downstream effects on altruistic response and repurchase intentions. The research also examines the moderating role of hotel attribute performance on perceived deception and its consequents.

This study used convenient non-probability sampling and collected data from 448 inbound tourists in China. It used partial least square structural equation modeling technique and SmartPLS 3.0 for analyzing the main and moderating effects of the variables.

The ulterior motives in peer and expert supplementary reviews significantly affect perceived deception, further leading to consumers' dissatisfaction and engagement in altruistic response. Noticeably, consumers' dissatisfaction is positively associated with repeat purchase intentions. Hotel attribute performance significantly moderates the relationship between the ulterior motives in supplementary reviews and consumers' perceived deception.

The study examines the key issue in online hotel reviews using the expectancy disconfirmation theory and identifies consumers' altruistic behavior because of their dissatisfaction, contributing to ethics and consumer behavior literature. Moreover, the research offers prolific implications for hotel and travel websites and hoteliers in the study context.

This paper aims to investigate the impacts of uncertain online reviews on product prices and profits of two competitive retailers.

First, the authors develop a game-theoretical model to determine the optimal product prices and profits considering uncertain online reviews. Afterwards, to examine the effects of the uncertain online reviews, they compare the equilibrium solutions with those of the game-theoretical models of deterministic online reviews and no online reviews, respectively.

Uncertain online reviews play a significant role in product price optimization and profit maximization. In the quality-dominates-fit case, both retailers will lower their product prices in response to the uncertain online reviews. And the uncertain online reviews would hurt the two retailers. Conversely, in the fit-dominates-quality case, the presence of uncertain online reviews will encourage both retailers to raise their product prices. And the two retailers can still benefit from the online reviews. With the increase in consumer uncertainty about online reviews, both retailers might raise their product prices, thus generating higher profits.

Managerially, the results indicate that in the quality-dominates-fit case, when consumers are uncertain about online reviews, it might be better for retailers to abandon the online review system; however, in the fit-dominates-quality case, both retailers could still benefit from the uncertain online reviews through product price optimization. Therefore, the presence of an online review system could be beneficial.

This paper develops a game-theoretical model to help competitive retailers optimize their price strategies and achieve profit maximization considering uncertain online reviews.

Excavating valuable outlier information of gray privacy products, the purpose of this study takes the online reviews of women’s underwear as an example, explores the outlier characteristics of online commentary data, and analyzes the online consumer behavior of consumers’ gray privacy products.

This research adopts the social network analysis method to analyze online reviews. Based on the online reviews collected from women’s underwear flagship store Victoria’s Secret at Tmall, this study performs word segmentation and word frequency analysis. Using the fuzzy query method, the research builds the corresponding co-word matrix and conducts co-occurrence analysis to summarize the factors affecting consumers’ purchase behavior of female underwear.

Establishing a formal framework of gray privacy products, this paper confirms the commonalities among consumers with respect to their perceptions of gray privacy products, shows that consumers have high privacy concerns about the disclosure or secondary use of personal private information when shopping gray privacy products, and demonstrates the big difference between online reviews of gray privacy products and their consumer descriptions.

The research lays a solid foundation for future research in gray privacy products. The factors identified in this study provide a practical reference for the continuous improvement of gray privacy products and services.

This paper analyses the interrelationships between emotions, the cognitive information cues of online reviews and intention to follow the advice obtained from digital platforms, paying special attention to the moderating effect of the sequencing of review valence.

The data were collected from 830 Spanish Tripadvisor users. In a two-step approach, a measurement model was estimated and a structural model analysed to test the proposed hypotheses. SmartPLS 3.0 software was used. The moderating effect of sequencing of reviews is tested.

The data analysis showed a bias effect of review sequence on the impact of online information cues and emotions on intention to follow advice obtained from Tripadvisor. When the online reviews of a restaurant begin with positive commentaries, their perceived persuasiveness is a stronger driver of the pleasure and arousal elicited by online reviews than when they begin with negative reviews. On the other hand, the perceived helpfulness of online reviews only triggers arousal when the user reads negative, followed by positive, comments. The impact of pleasure on intention to follow the advice provided in an online travel community is higher with positive-negative than with negative-positive sequences.

While researchers have demonstrated the benefits of customer reviews on company sales, a largely uninvestigated issue is the interplay between emotions and cognitive information cues in the processing of online reviews. This is one of the first studies to examine the moderating effect of conflicting reviews on the impact of emotions and cognitive information cues on consumer intention to follow the advice obtained from digital services.

The purpose of this study is to examine factors affecting the extent of consumers’ use of electronic word-of-mouth (eWOM), specifically online product reviews (OPRs), during their decision-making process. It also examines their motives for using OPRs.

The study uses an exploratory qualitative research methodology involving observation and free-flowing face-to-face interviews with consumers who have previously made a purchase online and who read OPRs during the decision-making process. An adaptation of the grounded theory method is used for collection, coding and data analysis.

Findings confirm previously uncovered motives for consumers’ use of OPRs. In addition, the findings suggest that two previously unidentified factors influence the extent of consumers’ use of OPRs: “decision-making drive” and “decision-making drag”. Decision-making drive is a mental momentum created when one or more factors that enhance decision-making readiness are present. This momentum tends to accelerate the decision-making process and shorten the information search process, leading to a reduction in the extent of OPR use. In contrast, decision-making drag is a mental resistance created when one or more factors that impede decision-making readiness are present. This resistance tends to decelerate the decision-making process and lengthen the information search process, leading to an increase in the extent of OPR use.

Focused on the pre-consumption phase of eWOM, between the stages of product need recognition and information search, this study is the first to identify decision-making drive and decision-making drag as additional psychological mechanisms affecting the extent of OPR use by consumers. For marketers, understanding these mechanisms has strategic marketing implications that can provide guidance to brands, websites and online review systems.

This paper aims to explore how emotional expressions embedded in online hotel reviews influence consumers’ helpfulness perceptions. In particular, this study develops and tests hypotheses analyzing empirical data with a text-mining method in the context of hotels to investigate how review valence influences the perceived helpfulness of online hotel reviews and to examine the role of negative emotional expressions embedded in online consumer reviews with respect to perceived helpfulness.

This study collected 520,668 online reviews involving 488 hotels in New York City (NYC) on Tripadvisor.com. Of these reviews, 69,202 reviews (13.29 per cent) that had received helpfulness votes were analyzed by a text mining method and negative binomial regression.

This study demonstrates that negative reviews are considered more helpful than positive reviews when potential customers read online hotel reviews for their future stay. However, when intensively negative emotions were expressed, the degree of helpfulness regarding negative reviews was diminished.

While emotional expressions prevail in online consumer reviews, surprisingly little attention has been devoted to the consequences of emotional expressions in consumers’ information processing and decision-making. Due to the nature of service, given the inseparability of production and consumption, which often hinders the execution of flawless service, consumers tend to be more dependent on reviews to minimize any potential failures they may encounter later on. Therefore, this study fills a gap by demonstrating that negative reviews and emotional expressions play a more crucial role in consumers’ information processing and decision-making.

This paper aims to investigate the influence of consumer reviews on the evaluation, post-experience, of products with a combination of sustainable, hedonic and utilitarian properties.

In the first instance, consumer reviews for organic and non-organic cosmetics posted on the French Web site beauté-test.com were analyzed. Second, a full-factorial two product types (organic and non-organic) × three reviews (positive, negative and no reviews) experiment was conducted. Sixty French women tested a beauty product and evaluated it on hedonic and utilitarian (ambiguous and non-ambiguous) properties. In a second experiment, 132 English-speaking students evaluated an herbal tea at home, along a full-factorial two product types (fair-trade and non-fair-trade) × three product properties (hedonic, utilitarian ambiguous and utilitarian non-ambiguous) × two reviews (negative review and no review) between-subject design.

First, consumers are significantly less influenced by reviews for hedonic products compared to utilitarian products. In particular, they rely on reviews when evaluating utilitarian ambiguous properties (e.g. anti-aging properties) which they find difficult to judge on their own. Second, consumers are more resistant to the persuasive effect of reviews when the product focus is on sustainable (organic or fair-trade) credentials, in particular when judging ambiguous properties.

This paper explores a topic neglected in the literature so far: the moderating role of product properties and sustainability, in particular, on consumers’ responses to persuasion and consumer reviews in the context of this paper. Its originality lies in the demonstration that consumers learn through product testing for hedonic and utilitarian unambiguous product properties and through consumer reviews for utilitarian ambiguous product properties. Additionally, it highlights the resistance of sustainable products (organic and fair-trade in this research) to negative product reviews.