posted by jean .
When McDonald's Corp. reduced the price of its Big Mac by 75% if customers also purchased french fries and a soft drink, The Wall Street Journal reported that the company was hoping the novel promotion would revive its US sales growth. It didn't. Within two weeks sales had fallen. Using the game theory, what disrupted McDonald's plans?
Why would I pay full price for something that is only worth 1/4 that much if I also buy junk with it?