Consumers today are individuals who fulfill life needs such as shopping using e-commerce. In its fulfillment, consumers can change in terms of purchasing decisions from one e-commerce to another e-commerce. This requires the company to always have a good strategy to compete in a healthy manner in terms of business. To learn about the importance of social media marketing activity, this study will find out how much influence the social media marketing activity received by e-commerce companies has on brand equity, customer relationships and repurchase intention. In addition, the study will learn how much influence brand equity and customer relationship have on an e-commerce company's repurchase intention. In this study, the survey is conducted by distributing questionnaires to respondents online where the research sample has several questions related to the habits and behavior of respondents. This research uses a sample of 210 people who are domiciled in Indonesia. In the research model, the study uses Structural Equation Modeling (SEM) analysis and the software used for this research is IBM SPSS AMOS. The results of the influence of social media marketing activities have the largest positive influence on customer relationships, brand equity is the main and biggest factor that positively and significantly affects repurchase intention in this research model. The accumulated experience and knowledge of consumers about a brand is a factor that can influence consumers to repurchase the same brand. Brand equity not only provides immediate benefits, but also long-term benefits by retaining consumers to continue to repurchase their products. A strong brand will make consumers always remember the brand. The study explains that customer relationships do not have any significant effect on repurchase intention. The main function of customer relationships at first and now is to try to reach their consumers more broadly, especially related to purchases, but this is not proven in repurchases, especially in this study. Customer relationships in the study did not have any significant effect on repurchase intention.

The use of celebrity endorsements is one of the most popular strategies used by companies today. Celebrities can bring product advantages through advertising and go beyond the complexities of competitive advertising communications. The company invests a large amount of money to get the attention of consumers and gain a competitive position in the market. The purpose of this study is to explore the effect of celebrity trust on the credibility of advertisements, brands, and companies, then the influence between the credibility of advertisements, brands, and companies, and will also explore the role of gender and age as moderating variables. The study used a quantitative method, the sample was taken based on purposive sampling in Jakarta and used the artist with the most followers as the object of research who endorsed food and beverage companies. The results of this study explain that there is a significant influence between celebrity trust on all credibility, gender and age managed to moderate the influence of celebrity trust on credibility. This study provides input to managers and food and beverage companies in using endorsements on Instagram social media as their marketing strategy, especially for companies that have a market share of young people in accordance with the characteristics of the respondents in this study.

The purpose of this study was to analyze the relationship between E-Satisfaction, E-Word of Mouth and E-Trust on Repurchase Intention of Online Shop. The approach in the research used is a quantitative approach using PLS-SEM SmartPLS software as a data processing tool. In this study, the data collection technique was carried out using an online questionnaire which was distributed to 150 respondents’ consumers of online shops. Sampling system with snowball sampling method. Based on the results of hypothesis testing, it was found that this study found that satisfaction had a positive and insignificant effect on repurchase intention. This shows that the e-satisfaction of online shop consumers does not significantly affect the repurchase intention of these consumers towards e-commerce online shops. In addition, e-word of mouth has a positive and insignificant effect on repurchase intention. This shows that the higher the e-word of mouth perceived by e-commerce consumers, the less significant customers will repurchase online. E-trust has a positive and significant effect on repurchase intention. This shows that the higher the e-trust perceived by online shop e-commerce consumers, the more customers will repurchase online. The novelty of this research is the new correlation model of e-satisfaction, e-word of mouth and e-Trust on repurchase intention of online shops and the research can be a reference for further research to be applied in other places or countries.

The development of the existing information technology era has helped the performance of BPJS more and more. The application of information technology in the work environment includes meeting the efficiency level of time and cost. The use of the internet also makes it easier for BPJS to access their services to the public and the search for new members is made easier. The world of ICT does provide a big role in society. In Indonesia itself, the prospect of ICT in future life has provided a lot of welfare for the people of Indonesia. This research was conducted in Indonesia, the sampling in this study was conducted in Jakarta. The results of research conducted showed that all hypotheses proposed in this study were accepted, especially the biggest influence was found on the attitude variable towards intention in the use of the BPJS e-payment system in Indonesia. Electronic Payment System (EPS) BPJS strives to create a social security system that is transparent and accountable to BPJS Employment participants.

This research aims to analyze the relationship between digital marketing on quality service, digital marketing on sales performance, quality service on sales performance, and digital marketing on Sales performance through quality service. The research methodology is a quantitative method and divided into research design and research subjects, data collection methods, and analysis methods. The study is conducted on 125 small and medium (SMEs) in Banten, Indonesia in the digital region. The study uses primary data based on the results of distributing online questionnaires to 125 managers of SMEs in Banten who were selected by simple random sampling. The questionnaire was designed online, and each question/statement item was given five answer options, namely: strongly agree (SS) score 5, agree (S) score 4, neutral / doubt (N) score 3, disagree (TS) score 2, and strongly disagree (STS) score 1. The method for processing data is by using PLS and using SmartPLS version 3.0 software. Based on data analysis by SmartPLS, digital marketing has a significant effect on quality service, digital marketing has a significant effect on sales performance, quality service has a significant effect on sales performance, and digital marketing significantly affects sales performance through quality service in the digital era.