✔ 最佳答案
1. peer pressure
2. status presentation
3. brand effect (Artist promotion, dozen of advertising)
At the very begining, the branding effect give youngster a concept that those product is good and superior in a positive relationship with their price and dozen of promotion. Additionally, most adult around those kids like to use those brand to present their social status. Thus, it will give a sample for those child to follow. As time goes by, the pressure will begun as many and many youngster build up a concept to owning the brand product. The peer pressure will push some margin youngster finally to follow into this trend and built a negative cyclation.