This study examined the importance of promotion and Perceived Ease of Use in the decision to use e-money prepaid software for the millennial generation in Indonesia. This study was quantitative research carried out through a field survey on some college students in West Sumatra province in Indonesia in 2021. Data were collected using a questionnaire that was distributed through Google Forms for 297 respondents and analyzed using Multiple Linear Regression. The finding has concluded that 51.6% of variations in the decision to use e-money prepaid software for young people could be explained by factors of promotion and Perceived Ease of Use. These two factors were strong predictors of the decision on using e-money for this consumer segment. Promotion and Perceived Ease of Use, both of them partially have a significant positive effect on consumer decisions to use e-money. This empirical finding has offered empirical evidence of consumer behavior by examining some predictors for the decision on the use of e-money for the millennial generation. This study recommends practical implications for some principals or e-money issuers to update the system so that they always highlight the "ease of use" principle for all users through the application which let users more easily find and use its features, adding to the features on the interesting list of merchants and various promotions.

The need for internet services to support a lifestyle in social networking sometimes leads Muslim millennials to behave consumptively in shopping, even though they understand the bad impact. This study aims to prove whether Self-control is the right predictor to explain Consumptive Behavior Control and if so, how much Self-control can explain Consumptive Behavior Control, especially in the case of Muslim millennials in spending their money on buying internet packages for social networking needs. This research was a quantitative study with ex-post facto design and also based on a survey of a group of students from an Islamic university in West Sumatra, Indonesia in 2022. Data were collected from 97 respondents and analyzed by using Simple Linear Regression. The findings have shown that Self-control is a good predictor for consumptive behavior control at a moderate level. Self-control can increase consumptive behavior control in students in purchasing internet services for social media. Self-control explains the achievement of Consumptive Behavior Control of 68.9%. This finding contributes to education observers who always focus on studies about consumptive behavior among young people and contribute to strengthen the theory of consumer behavior which is always growing rapidly throughout all the time.