एक __________ तब उत्पन्न होता है जब प्रत्येक खिलाड़ी उस रणनीति को अपनाता है जो उसे सबसे अधिक संभावित प्रतिफल (payoff) देती है, बशर्ते उसका प्रतिद्वंद्वी अपनी चुनी हुई रणनीति पर कायम रहे।

Given below are two statements: Assertion (A): The 'Tit-for-Tat' strategy in repeated game theory is associated with Robert Axelrod. Reason (R): Axelrod demonstrated through computer tournaments that Tit-for-Tat — cooperate first, then mirror the opponent's last move — achieves the highest average score in iterated Prisoner's Dilemma games. Choose the correct answer:

When all firms have a dominant strategy and each firm chooses its dominant strategy, then it is a state of: