Purpose First, this paper aims to investigate the impact of impulsiveness on two types of shopping value (e.g. utilitarian and hedonic value) and the urge to buy restaurant products and services impulsively in social commerce environments. Second, the study assesses the impact of situational factors (e.g. scarcity and serendipity) on individuals’ shopping values. Design/methodology/approach Data were collected from 332 participants. By using PLS-graph 3.0, structural equation modeling was conducted. Furthermore, a hierarchical regression model was conducted for testing the mediating and moderating effects. Findings The results indicate that impulsiveness is a strong predictor for two types of shopping value (hedonic and utilitarian) and the urge to buy impulsively. While the hedonic shopping value was found to have a significant influence on the urge to buy impulsively, utilitarian value was not. Scarcity was moderator in the relationships between impulsiveness and both types of shopping value, whereas serendipity was found to moderate only the relationship between impulsiveness and the utilitarian shopping value. Practical implications The findings show that the marketing managers and application developers of social commerce should place their focus on scarcity and serendipity to stimulate consumers in having a hedonic shopping value so to have an urge to buy impulsively. Originality/value First, although most previous studies focused on only rational or planned consumption, this study focused on irrational and unplanned consumption as well. Second, the authors assessed the role of situational factors (scarcity and serendipity) occurring in social commerce and asserted that these factors moderate the relationship between consumers’ shopping values and their urge to buy impulsively.

Nowadays, consumers use information devices to use products and services through various channels. Omnichannel promotes sales improvement by allowing businesses to secure multiple channels. It provides consumers with a wider range of choices and monetary advantages. As such, omnichannel facilitates economic sustainability as a major platform for commerce. The purpose of this study is to identify the determinants of consumers’ continuous intention to use omnichannel. This research collected data from 262 consumers who had used omnichannel. Partial lease square structural equation modeling was employed to analyze the empirical data. The results found that accessibility positively affects perceived ease of use, perceived usefulness, and relative advantage. Monetary saving positively influences relative advantage. Perceived risk has a negative association with relative advantage. Continuance intention is influenced by relative advantage, attitude, subjective norms, and perceived behavioral control. This study offers an academic contribution in that the model was expanded by combining the theories of both technology and human behavior. It provides practical implications that omnichannel practitioners should prioritize money saving, perceived risks, and relative advantages. To enhance the generality of the results, future research needs to survey consumers in more countries. This work would be a useful guide to the sustainability of the economy.

Mukbang is widely recognized as a new type of food video on user-generated content (UGC) platforms. The purpose of this study was to identify motivators to watch mukbangs and to examine the relationship between these motivators and the intention to watch mukbangs via attitudes toward mukbangs and para-social relationships. In addition, this study examined how the intention to watch mukbangs affected purchase intention. Interviews were conducted to determine the motivation factors for watching mukbangs by collecting data from mukbang viewers. The results of the interviews suggested that vicarious satisfaction, enjoyment, information, exposure, and attractiveness were motivators for watching mukbangs. Using a survey, this study collected data from 399 participants who watched mukbangs to test relationships. Using SmartPLS, structural equation modeling (SEM) was conducted. The outcomes of the SEM indicated that vicarious satisfaction, enjoyment, and information influenced the intention to watch mukbangs via attitudes toward mukbangs. The results also indicated that exposure and attractiveness had an impact on the intention to watch mukbangs via para-social relationships. Furthermore, the intention to watch mukbangs influenced the intention to purchase food items portrayed in the mukbang content. This study contributes to the literature by empirically confirming the effect of watching mukbang on purchase intention.

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