l. A dominant strategy for a player X is a strategy that is optimal for X regardless of what strategies other players adopt 2. One characteristic of a prisoner's dilemma is that it is always optimal for each player to defect from the other 3. All Nash equilibria are dominant strategies 4. All dominant strategies are Nash equilibria 5. Game theory assumes that players are always and only self-interested 6. John von Nuemann was known to be an excellent driver 7. A Nash equilibrium for a player X in a two-person game requires that X's best strategy is typically understood to be conditional on what they believe about the other player's strategies 8. A zero sum game is a game where the sum of payoffs for all of the players equals 0 for every conguration of their strategies 9. Free riders choose their optimal outcome regardless of the outcomes for the other player(s) in a game 10. One characteristic of a game of chicken is that there are always two Nash equilibria