This paper tries to build up the strategy of suppliers by analyzing the purchase strategy of the lever balance and the purchase combination.

As part of the program, for the next three months, McDonald's will give customers an hour of wireless Internet access in its restaurants with the purchase of a combination meal.

With PRISM, he says, the gut feeling that peanut butter should be placed on a shelf next to jam in order to increase the likelihood of a combination purchase can be tested directly against sales data.