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The purpose of this paper is to examine the perception of luxuriousness as a novel underlying mechanism of the shelf-based scarcity effect by using both psychophysiological measures (Study 1) and self-reported measures (Study 2).

Two within-subject experimental designs were conducted to examine the effects of low, medium and high stock depletion levels (i.e. shelf-based scarcity) on consumer responses. In Study 1, facial expression analysis was used to examine consumers’ liking, and left frontal asymmetry brainwaves were used to examine consumers’ approach motivation as a proxy for purchase intention. Study 2 extended the findings with self-reported measures.

In Study 1, perceived product luxuriousness was found to underlie the shelf-based scarcity effect on facial expressions and left frontal asymmetry brainwaves after controlling for other previously proposed mediators (i.e. product popularity and quality). The shelf-based scarcity effect is only observed between low vs high stock levels, whereas moderate stock level depletion does not evoke the shelf-based scarcity effect. Study 2 used self-reported measures to replicate the effect of shelf-based scarcity on product luxuriousness. However, the findings demonstrated the limitation of self-reported measures to identify a significant spill-over effect of perceived luxuriousness to attitude.

Extending previous literature that relied heavily on self-reported measures, the current research used psychophysiological methods to uncover perceived luxuriousness as a novel underlying mechanism for the shelf-based scarcity effect. Thus, the findings are not only the first to provide psychophysiological evidence of the shelf-based scarcity effect but also to validate perceived luxuriousness as an underlying mechanism of the shelf-based scarcity effect.

The current findings suggest that the shelf-based scarcity effect is only evoked by high (instead of moderate) levels of stock depletion. The study also shows that shelf-based scarcity does not necessarily signal product popularity, but instead it may serve as a cue of product luxuriousness. Adding to other manipulations of retail spaces that elicit luxury perception (e.g. artwork, sensory delight and themed store atmospherics), this implies that businesses are able to use shelf-based scarcity as a cue to enhance or complement the luxury image or the perception of the brand or product.

The current research is the first study to use psychophysiological techniques to examine perceived luxuriousness as an underlying mechanism of shelf-based scarcity. It also demonstrates that self-report measures are not sensitive to such an effect in comparison to psychophysiological techniques, explaining why perceived luxuriousness has not been previously found to be an underlying mechanism of shelf-based scarcity.

The purpose of this study is to investigate how exclusivity and rarity (natural versus virtual) influence consumers' perceptions of luxury. Further, it examines whether exclusivity and rarity can function as distinct marketing strategies in today's luxury market environment.

Online questionnaires were administered by adapting developed scales from prior research. Research stimuli were chosen from three luxury categories including bags, wine and cruise. Confirmatory factor analysis and multiple regressions were used to test the hypotheses.

The results confirmed that exclusivity, natural rarity and virtual rarity were perceived as relatively distinct constructs among our sample. Findings also highlighted that perceived natural rarity (PNR) has consistently emerged as a positive and significant contributor to consumers' perceptions of luxury across all three luxury categories. The influence of perceived exclusivity (PE) on perceptions of luxury has also shown to be significant for two product categories (luxury bag and luxury wine), whereas perceived virtual rarity (PVR) did not show any significant effects across all three categories.

The results indicate that consumers perceive natural rarity, virtual rarity and exclusivity as relatively distinctive marketing strategies. This suggests that luxury businesses can adopt each strategy independently to achieve desired marketing outcomes.

This study offers theoretical support for the proposition that exclusivity and rarity may have different functions in luxury marketing implementations. It provides empirical evidence showing the distinctiveness of perceived exclusivity and perceived rarity, which have not be done in previous research.

This study aims to explore factors that affect gendered consumption (male and female), willingness to pay (economic attributes) and the socio-cultural context of Gen-Z consumers towards specialty coffee as compared to other types in Taiwan.

Samoggia and Riedel’s (2018) theoretical framework is adopted to examine the concepts of interest. A mixed method approach comprising interviews and experimental taste tests was used to collect data from Gen-Z specialty coffee consumers in a purposive sampling manner.

The findings suggested the effect of price elasticity of demand where specialty coffee was perceived as an expensive commodity by young consumers, and hence, not a regularly purchased item. Nevertheless, specialty coffee was linked to health benefits, and a signal for conspicuous consumption – where café experiences facilitated self-promotion on sites like Instagram and Facebook. Finally, the findings alluded to a potential gender effect, with more female young consumers likely to consume specialty coffee as compared to their male counterparts.

This study is located within the context of Taiwan, which has been a tea-dominated consumption landscape for numerous decades. The use of an experimental design also presents a unique angle to elucidate sensory elements surrounding specialty coffee as a research design for Gen-Z research projects. The study points to the relevance of social context in the consumers’ behavioural patterns, which has been largely implicit within consumer behaviour scholarship.

This study aims to investigate the influence of perceived luxuriousness on consumers’ revisit intentions via the mediating effects of positive and negative emotions based on the Stimulus-Organism-Response (SOR) model. In this context, “luxuriousness” specifically refers to the richness of furnishings, including the visual allure of aesthetic design and the surrounding cues.

A quantitative approach using a survey method is employed to analyse the collected 289 data from consumers of bubble tea. Partial least squares structural equation modelling is chosen as the main analytical approach to examine the research model.

The results showed that perceived luxuriousness has a significant positive influence on positive emotion and a significant negative influence on negative emotion. Furthermore, positive emotion positively affects revisit intentions, whereas negative emotion negatively affects revisit intentions. Positive emotion mediates the relationship between perceived luxuriousness and revisit intentions, but negative emotion does not.

In terms of theoretical contributions, this study contributes to the SOR model by exploring the influence of perceived luxuriousness on revisit intentions via the mediating effects of emotions in the bubble tea context, which has not been previously examined by past studies. In terms of managerial implications, this study provides insights into how to leverage the element of luxury to encourage consumers to revisit bubble tea stores.

This study aims to examine the moderating role of two product-related variables – product type and product involvement on the relationship between shelf-based scarcity (SBS) and purchase intention.

The authors used four 2 × 2 between-subject experiments to test the proposed moderation.

Results from the four experimental studies provide the following insights. SBS enhances customers’ purchase intentions for utilitarian products and decreases purchase intentions for hedonic products. The positive influence of SBS cues on purchase intentions is more pronounced for low-involvement products than for high-involvement products. Perceived popularity and perceived quality mediate the relationship between SBS and perceived consumption risk for utilitarian products but not hedonic products.

This study builds on prior research on scarcity by investigating the impact of product-related factors on the SBS-purchase intention relationship through the elaboration likelihood model.

The results suggest that retailers benefit from using SBS cues for utilitarian and low-involvement products to increase purchase intention. Retailers can avoid SBS cues for hedonic products to prevent them from seeming commonplace. Furthermore, retailers can boost purchase intentions by highlighting the popularity and quality of utilitarian and low-involvement products.

To the best of the authors knowledge, this is the first study to examine the interaction between SBS and product-related attributes, along with the serial mediation of perceived popularity, quality and consumption risk.

The purpose of this paper is to improve the original Brand Luxury Index (BLI) developed by Vigneron and Johnson to provide a practical tool for assessing consumer’s perception of the luxurious of a brand.

The original BLI was revised through three stages: an initial scale-item generation employing a qualitative method (i.e. focus group interviews), scale purification process using statistical techniques (i.e. exploratory factor analysis and confirmatory factor analysis (CFA)), and scale verification process using CFA. Data (249 for scale purification, 253 for scale validation) were collected with the help of E-rewards, a marketing research company.

The modified BLI contains five dimensions (i.e. quality, extended-self, hedonism, accessibility, and tradition). The number of the dimensions remained the same as the original conceptualization (i.e. conspicuousness, uniqueness, quality, hedonism, extended-self), however, the contents of those dimensions differed.

The modified BLI can be used to monitor and manage a prestige brand in the market place. Not only can marketers of prestige brands use the index to assess consumers’ perception of the luxuriousness of their brands but also to position their brand along the desired dimension of luxuriousness.

The modified BLI can be used to measure marketing performance of luxury brands.

This study aims at investigating how the level of brand–consumer interaction between luxury brands and consumers on social media may affect the perception of brands’ luxuriousness. In particular, this study is focused on the moderating role of consumers’ materialism.

This study adopted a quantitative approach. Data were collected with two online experiments. Study 1 was run to test whether a luxury brand’s product description was perceived as more luxurious when published on a social media platform versus the brand’s website, and if consumers’ materialism influences this effect. Study 2 explains the underlying psychological mechanism by underlining the mediating role of psychological distance.

The results show that branded luxury products are perceived as more luxurious when these are communicated on a social media platform (vs on the brand’s Web page), and consumers are high (vs low) in materialism, due to high psychological distance.

Previous literature has neglected the relationship between materialism and social media communication, as well as the potential differential effect that a high versus low level of brand–consumer interaction may have, for luxury brands, in the online context. This study fills this gap by investigating the role of a consumer-related characteristic (i.e. the level of materialism) that represents an important dimension in luxury consumption. Moreover, this study sheds light on the mediating role of psychological distance in the context of luxury brands’ online communication.

Many instruments have been developed to measure the perceived luxuriousness of brands, but one of the most frequently used scales is the “brand luxury index” (BLI) from Vigneron and Johnson (2004) that distinguishes between high- and low-luxury brands. Despite its popularity and widespread use in academic research, the scale's psychometric properties and equivalence across cultures have been questioned. Recently, modified versions of the scale have been developed to strengthen the quality of the measurement. However, the performance and the measurement invariance of the modified version have not yet been investigated. The current paper aims to test the model fit of the modified BLI scale and the measurement invariance across gender, age and country groups using nine datasets from a total of three different countries.

This paper conducts a multi-group CFA to examine the measurement invariance of the BLI scale. Nine datasets were used in this study. The data were collected across three countries, the United States (5 datasets), China (2 datasets) and India (2 datasets) from 2016 to 2018.

The results of this analysis suggest that the modified BLI scale has an acceptable model fit and can be interpreted equivalently across gender and age groups. Metric invariance was found among the US, China and India. However, scalar measurement invariance was established only across two countries: the US and India. A follow-up analysis shows that partial scalar invariance can be established across the US, China and India when removing constraints on the parameters of three items: exclusive, precious and sophisticated.

This study is the first study to test the model fit of the modified BLI scale. The findings of this paper contribute to both the academia and industry. The authors recommend scholars and marketers to use a modified 19-item BLI scale to measure the perceived luxuriousness of brands in future research. First, the modified BLI scale tested in the current study offers very good performance with model fit values of a quality that has rarely been seen in prior research. The original scale of Vigneron and Johnson (2004) has been criticized for its poor model fit (Christodoulides et al., 2009). The modified scale of Doss and Robinson (2013) also has problems with the fit value. Second, the modified 19-item scale also shows adequate measurement invariance across different gender, age and countries. For scholars and marketers, the establishment of the metric invariance of the modified 19-item BLI scale implies that the scale can be used across gender, age and countries (the US, China and India) if the purpose of the study is to understand the relationship between some variables and perceived luxuriousness of a brand.

This research advances current knowledge about art infusion, which is the ability of art to favorably influence the assessment of consumer products. In particular, the research aims to investigate the effectiveness of artworks that evoke their creators’ most recognizable style in luxury advertising.

The research encompasses three studies – two conducted online and one in a real consumption situation. The first study explores the effect that a recognizable vs non-recognizable painter’s style has on consumers’ judgments about luxury products. The second and third studies explore the moderating roles of desire to signal status and desire for distinction, respectively, which are relevant to advertisers interested in targeting these individual differences.

Advertisements that incorporate artworks that evoke a painter’s most recognizable style enhance the advertised products’ perceived luxuriousness. Consumers with a higher desire to signal status exhibit greater purchasing intention in response to recognizable artworks. By contrast, consumers with a higher desire for distinction exhibit greater purchasing intention when the painter’s style in the featured artwork is less recognizable.

The results provide marketers with suggestions on how to select and incorporate visual artworks into luxury brand communication: they could focus on recognizable vs non-recognizable artworks based on whether their main goal is to communicate status or distinctiveness.

This research offers novel insights into the practical value of art infusion by showing when and for whom the beneficial effects of pairing art with luxury products are more likely to occur.

This paper investigates why and when messages regarding unsustainable luxury products lead to negative word-of-mouth (NWOM) through a focus on the role of guilt, need to warn others and consumers' cultural orientation.

Three experiments test whether messages describing unsustainable versus sustainable luxury manufacturing processes elicit guilt and a need to warn others and whether and how the need to warn others affects consumers' NWOM depending on their cultural orientation.

Consumers experience guilt in response to messages emphasizing the unsustainable (vs sustainable) nature of luxury products. In turn, guilt triggers a need to warn other consumers, which leads to NWOM about the luxury company. Furthermore, the results suggest that two dimensions of Hofstede's model of national culture – namely individualism/collectivism and masculinity/femininity – moderate the effect of the need to warn others on NWOM.

Luxury managers should design appropriate strategies to cope with consumers' different reactions to information regarding luxury brands' unsustainability. Managers should be aware that the risk of NWOM diffusion may be higher in countries characterized by a collectivistic and feminine orientation rather than an individualistic and masculine orientation.

Consumer reaction to unsustainable luxury, especially across different cultural groups, is a neglected area of investigation. This work contributes to this novel area of research by investigating NWOM stemming from unsustainable luxury manufacturing practices in different cultural contexts.