No, it says that one-shot PD is rare, and when it actually happens defecting is indeed the correct choice, even if it is counterintuitive because we are much more accustomed with scenarios that are similar to iterated PD.
No, it says that one-shot PD is rare, and when it actually happens defecting is indeed the correct choice, even if it is counterintuitive because we are much more accustomed with scenarios that are similar to iterated PD.