If you have ever gone to lunch with coworkers you probably have experienced the prisoner’s dilemma. How did you split the check? Suppose everyone had agreed to split the check equally. If everyone ordered the same amount of food there is no problem. However, if John orders an appetizer, a dessert, and a bottle of wine, the others are subsidizing John’s lunch. Therefore, almost everyone will order more food. Otherwise, they are paying for John’s lunch. This is an example of the prisoner’s dilemma