Mind games: The tricks used to have you buying what you don’t need

Many supermarkets also heavily rely on psychological pricing. For instance, items are priced with odd or even numbers such as Sh999, which is often interpreted by customers as Sh900. [File, Standard]

Sometime back, I went to a restaurant in the city known for its tasty chicken wings. The nuggets are served in six or 12 pieces.

I made an order for the six-piece with a plate of fries, but the waiter suggested a slight change to the menu.