## Cooperation in Prisoner’s Dilemma Situations

In class and on this blog, many real-life examples of Prisoner’s Dilemma situations have come up. These include arms races, performance enhancing drug use, corruption, unstable markets, and female shaving (3). For all of these, it is clear that each player’s dominant strategy is the “defect” choice and, so, the only Nash Equilibrium is “defect-defect”. […]