Why do you need someone to hand out shopping baskets at the supermarket

Every time you walk into the door of a shopping mall, there is always a waiter enthusiastically handed you a shopping basket or a shopping car , in that moment, he/she cast a magic spell on you, let you buy more.

There used to be a professional survey about people's spending behavior, which was related to the use of shopping baskets. The survey showed that shoppers who entered the store empty handed bought up to two items, and when they picked up the basket, the average number of purchases rose to 5.5, and if you offered to give them a supermarket basket, the average number of purchases rose to 6.5, the average number of items purchased by customers will increase from 6.5.
  Of course, such a survey is not entirely accurate, but it does give an intuitive sense of the importance of shopping baskets in consumption.
The strategic role of shopping basket for shopping malls, not academic theory of Zhao Kuo, in the practical application has also been deeply verified.