निर्णय सिद्धांत (decision theory) में, अनिश्चितता के तहत एक रणनीति जहां एक खिलाड़ी उस विकल्प या नीति को चुनता है जो सभी विकल्पों में से सर्वोत्तम संभव अधिकतम परिणाम देती है, उसे ________ के रूप में जाना जाता है।

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: