Abstract :
This research is using quantitative study that aims to determine the effect of promotion, price, and brand image on purchasing decisions on the Zalora e-commerce site in Jakarta. The population in this study are Zalora users in Jakarta with a sample of 75 respondents using the non-probability sampling method with purposive sampling technique. Hypothesis testing in this study uses Partial Least Square (PLS) analysis tool and a significance level of 5%. The results of this study are (1) the promotion variable has a significant effect on purchasing decisions with a contribution value of 0.259 and a significant value of 0.024, (2) the price variable has no significant effect on purchasing decisions with a contribution value of -0.009 and a significant value of 0.912, (3) variable brand image has a significant effect on purchasing decisions with a contribution value of 0.689 and a significant value of 0.000. So purchasing decisions are influenced by the variables of promotion, price, and brand image by 78.6%.