<p><br />This study examined the influence of e-commerce application, social media instagram and digital marketing to online purchases of millennial generation consumers. Respondents of this study were 152 university students who have already shopped online at e-commerce applications, have ever seen e-commerce advertisements on electronic media and have used social media instagram for online shopping participated in this reseach. There are several findings in this study. First, e-commerce application has positive influence to online purchases of millennial generation consumers. Second, social media instagram has postive effect to online purchases of millennial generation consumers. Third, digital marketing has positive effect to online purchases of millennial generation consumers.<br />Keywords : industrial revolution 4.0, e-commerce, instagram, digital marketing, instant online buying, millennial generation consumers</p>

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This study examined the influence of conformity and self-concept to consumptive behavior and its impact to online shopping intention. This study is the integration of previous studies to determine the effect of simultaneous  between variables. Respondents of this study were 142  university students who have ever seen e-commerce advertisements on electronic media participated in this reseach. There are several findings in this study. First, conformity has positive influence to the consumptive behavior. Second, self-concept has postive effect to consumptive behavior. Third, consumptive behavior has positive effect to online shopping intention. Fourth, consumptive behavior perfect mediate the effect of conformity and self-concept to the online shopping intention.   Keywords : conformity, self-concept, consumptive behavior, online shopping intention

This study aims to determine differences of employee’s personality between generation X and generation Y. We use the big five personality model consists of extraversion, agreableness, conscientiousness, neoriticsm, and openness to experience. This research also intended to examine the effect of big five personality on job stress on generation X and Y. The hypothesis was tested using independent sample t-test and multiple regression. The results of hypothesis testing on 126 samples indicated that there are no personality differences in the big five dimension among generation X and Y. The multiple regression results also do not show the influence of personality types on the level of work stress felt by generation X and Y. Additional analysis results show there is no difference in job stress level felt by generation X and Y.

This study aims to examined the effect of e-commerce, digital marketing, and consumer prestige on instant online buying decisions with perceived quality as an intervening variable on millennial generation. This research used survey design with purposive sampling. This research was conducted on 152 students in Yogyakarta who had already done online shopping in the marketplace. Data analysis was performed using Structural Equation Model (SEM) using Analysis Moment Structure (AMOS). This research proves that there is a positive influence on the use of e-commerce, digital marketing, and prestige on instant online buying decisions of consumers with perceived quality as an intervening variable on millennial consumers. The direct factor that influences instant online buying decisions is perceived quality, while e-commerce, digital marketing and prestige have an indirect effect on instant online buying because they have to pass through perceived quality. Theoretical and practical implications are discussed later.