Celebrity endorsement is a form of marketing communication done both online and offline as it creates a positive brand attitude. However, its effectiveness in influencing customers’ purchase decision needs to be considered. This quantitative research took the sample from 249 respondents who experience in shopping and comprehend the role of celebrity endorsement. The SmartPls 3.0 was used in data analyzing techniques, and bootstrap testing was also employed. The results show that celebrity endorsement affects customers’ attitudes, but it does not affect their purchasing behavior. Adding brand trust as a moderator variable enhances the influence of celebrity endorsement on brand attitude. Therefore, marketers need to be able to see how big brand trust is owned before deciding to use celebrity endorsement to market their product. Future researchers can apply models in cultures of other countries and focus on the profile of specific celebrities so that the results can be generalized more.

The digital era, which increasingly becomes massive in people's lives, impacts the traditional sales methods. E-commerce companies compete in winning the competition to create superior customer value. An effective and efficient marketing strategy is needed that can influence customer purchase intention. The research focused on the effect of customer satisfaction, which created eWOM and increased brand equity on purchase intention by adding culture (collectivist culture) as the moderator variables. The research used a quantitative approach. The data were obtained from 280 respondents selected by non-probability sampling. Respondents were customers who had already bought products through e-commerce in Indonesia. The questionnaire instrument was adopted based on theories from the previous researchers. The data used the Likert scale and were analyzed using the SmartPLS 3.0. The results state a significant relationship between the independent and dependent variables. All independent variables have a significant influence on the dependent variable. However, culture as the moderator variable cannot get significant results in the relationship between all the variables. It gets irrelevant results. Hence, the results show that the moderator variable is more appropriate as the independent variable. It can directly affect purchase intention. The research contributes to testing culture as the moderator variable that makes the independent variables generalize the findings.

The purpose of this study is to analyze the antecedent consumer involvement and brand self expressiveness and brand community identification of the three dimensions of consumer brand engagement (CBE) (cognitive, emotional, behavior) in the luxury brand on social media. The data was collected through an online questionnaire which was filled in by 125 respondents who have experience in buying luxury brands using purposive sampling. The empirical study was conducted using structural equation modeling SmartPls. The results of the study stated that Consumer Involvement has a negative impact, brand self expressiveness and consumer brand identification have a positive impact on dimensions of CBE. Tests were also conducted to see the consequences of CBE, namely an increase in brand image and brand loyalty. Managers of luxury brand companies must increase CBE by utilizing and managing consumers following social media and creating communities to make it easier for consumers to get to know the advantages of luxury brand products. This study is a pioneer, as it extends the consumer engagement model to the social media context luxury brand by adding brand community identification as an antecedent CBE.

The increasing use of social media such as Instagram and Facebook can be utilized to reach a wider and more targeted consumer by creating the right content organically (free of charge), and doing paid advertising on these platforms. However, his lack of knowledge about how to make real content and paid advertising is an obstacle for marketers to take advantage of it. So that we need the right strategy in marketing products through these media. The marketer's job is to increase the number of followers on social media and customer interactions because there is a positive relationship between the number of followers and sales. This training aims to help startups in Lampung to maximize the use of social media, in this case, we provide training in creating landing pages and financial preparation training. Partners in this activity are sharia motorcycle taxi transportation companies (OJESA). In the end, this activity can be beneficial for partners by increasing knowledge about digital marketing by utilizing landing pages in advertising and managing finances. Partners can use the facilities provided by the platform in advertising. As well as understanding effective and efficient advertising tactics and strategies.

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