Problem 7.1. (2-2.5 pages)
Based on lectures, and on the reading from Axelrod, describe one instance of each of the following in some informal guise as it might occur in day-to-day interactions:
(a) a two-person zero-sum game
(b) a two-person Prisoner's Dilemma
(c) a two-person non-zero-sum, non-PD game