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PurposeThis study identifies an effective communication strategy for promoting restaurants' green efforts to customers by using different types of green advertisement messages. This study aims to investigate the relative persuasiveness of attribute-based versus benefit-based appeal messages in green restaurant advertisements and their matching effect with different types of green practices in the restaurant (environment-focused green practices vs food-focused green practices) and with different types of restaurants (fine dining vs fast casual dining) on customers' attitude and visiting intention toward green restaurants. Furthermore, the study examines a moderating effect of restaurant types to assess whether the matching effects between types of messages and types of green practices work differently within the different types of restaurants.Design/methodology/approachA 2 (attribute-based vs benefit-based messages) × 2 (food-focused vs environment-focused green practices) × 2 (fast casual vs fine dining restaurants) between-subject experimental design was used to test the proposed hypotheses. An online scenario-based survey was developed and distributed to online panel members in the USA. Ultimately, 363 responses were used for data analyses. ANOVA and t-test were conducted to analyze the data.FindingsThe results indicate that benefit-based messages are generally more persuasive than attribute-based messages in green restaurant advertisements. For restaurants with food-focused green practices, an advertising message emphasizing the benefit of food-focused green practices (benefit-based message) would be more effective than an advertising message describing their tangible efforts to show the greenness of the restaurant (attribute-based message). For fine dining restaurants, a green advertisement with benefit-based information would be more persuasive than attribute-based information. This study further showed that the aforementioned interaction effect between types of green practices and types of messages was salient for fine dining restaurants.Originality/valueThis research is one of the few studies in restaurant management to examine the green communication effectiveness in terms of the types of green practices and the types of advertising message framing. By comparing the relative persuasiveness of green advertisements on consumers' attitudes and behavior intentions, this study provides suggestions for restaurant professionals to make effective green communication strategies based on the type of green practices the restaurant primarily uses and the type of restaurant the manager is operating.

PurposeThis study aims to investigate how restaurant customers' heuristic judgment, originating from their perceived level of congruity between restaurant brand image regarding healthfulness and healthy menu products, can affect their information processing in terms of their perceived nutritional information credibility and, furthermore, how these effects influence customers' attitude toward the menu in terms of healthiness.Design/methodology/approachA Web-based survey was developed and distributed to randomly selected respondents in the USA, and in total, 320 responses were used for the data analyses. Structural equation modeling (SEM) was used to examine the relationship among three constructs: perceived brand–product congruity, perceived nutritional information credibility and nutrition attitude toward the healthy menu item being promoted. To assess the mediating role of perceived information credibility, an analytical procedure proposed by (Baron and Kenny 1986) was used. Finally, to investigate the moderating effect of the health involvement, multiple group analyses were executed.FindingsThe study results suggested that the synchronization between healthful brand image of the restaurant and the promoted menu item is important for ensuring customers' perceptions of information credibility regarding the menu item healthiness and for eliciting customers' positive nutrition attitudes toward the menu item. Also, positive nutrition attitudes toward a menu item can be increased by improving perceived information credibility. Depending on an individual's level of health involvement, the relationships between the three proposed constructs vary.Originality/valueThis paper includes a theoretical model that explains customers' heuristic evaluation of a healthy menu product by assessing the influence of brand image congruity in terms of healthy menu promotion.