Yes. Specifically in this case, "defect" is the good case and cooperate is price fixing cartel. So with more prisoners, the chances of someone choosing defect goes up. So then everyone else choose defect, breaking up the price fixing cartel, leading to market forces working and lower prices for consumers.
Yes. Specifically in this case, "defect" is the good case and cooperate is price fixing cartel. So with more prisoners, the chances of someone choosing defect goes up. So then everyone else choose defect, breaking up the price fixing cartel, leading to market forces working and lower prices for consumers.