Assume that (xi, yi) and (x³, yž) are pairs of optimal strategies in a zero-sum game. Is 2 3 1 a pair of optimal strategies? Justify your answer.
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- What is the payoff to player 2 under the strategy profile (AK,D,FL) in this game?What is the payoff to player 3 under the strategy profile (BK,C,FM) in this game?Rachel, Monica, and Phoebe are roommates; each has 10 hours of free time you could spend cleaning your apartment. You all dislike cleaning, but you all like having a clean apartment: each person’s payoff is the total hours spent (by everyone) cleaning, minus a number 1/2 times the hours spent (individually) cleaning.That is, ui(s1, s2, s3) = s1 + s2 + s3 -1/2si Assume everyone chooses simultaneously how much time to spend cleaning. a. Find the Nash equilibrium. b. Find the Nash if the payoff for each player is: ui(s1, s2, s3) = s1 + s2 + s3 − 3si Is the Nash equilibrium Pareto efficient? If not, can you find an outcome in which everyone is better off than in the Nash equilibrium outcome?Two neighboring homeowners, i = 1,2, simultaneously choose how many hours to spend maintaining a lawn. The AVERAGE benefit per hour for i is (e.g., it is for homeowner 1) And the (opportunity) cost per hour for each homeowner is 4. (a) Give each homeowner’s (net) payoff as a function of and . (b) Compute the Nash equilibrium.
- Cameron and Luke are playing a game called ”Race to 10”. Cameron goes first, and the players take turns choosing either 1 or 2. In each turn, they add the new number to a running total. The player who brings the total to exactly 10 wins the game. a) If both Cameron and Luke play optimally, who will win the game? Does the game have a first-mover advantage or a second-mover advantage? b) Suppose the game is modified to ”Race to 11” (i.e, the player who reaches 11 first wins). Who will win the game if both players play their optimal strategies? What if the game is ”Race to 12”? Does the result change? c) Consider the general version of the game called ”Race to n,” where n is a positive integer greater than 0. What are the conditions on n such that the game has a first mover advantage? What are the conditions on n such that the game has a second mover advantage?Two firms are competing to establish one of two new wireless communication standards, A or B. A strategy is a choice of standard, and an outcome of this game is a choice of standard by each firm – for example, (A, B) represents the case where Firm 1 decides to develop standard A and Firm 2 develops standard B. Here, the first letter will always correspond to Firm 1’s decision, and the second letter to Firm 2’s decision. Firm 1 has the following preferences over outcomes, in order of highest to lowest preferred: it prefers (A, A) to (B, A) to (A, B) to (B, B). Firm 2 prefers (A, B) to (A, A) to (B, A) to (B, B). Suppose that firms simultaneously decide which standard to develop. What is the pure strategy Nash equilibrium?Two firms are competing to establish one of two new wireless communication standards, A or B. A strategy is a choice of standard, and an outcome of this game is a choice of standard by each firm – for example, (A, B) represents the case where Firm 1 decides to develop standard A and Firm 2 develops standard B. Here, the first letter will always correspond to Firm 1’s decision, and the second letter to Firm 2’s decision. Firm 1 has the following preferences over outcomes, in order of highest to lowest preferred: it prefers (A, A) to (B, A) to (A, B) to (B, B). Firm 2 prefers (A, B) to (A, A) to (B, A) to (B, B). Suppose that firms simultaneously decide which standard to develop. What is the pure strategy Nash equilibrium? Is the answer (B,B)? If not please explian what is the answer?
- (Variants of the Stag Hunt) Consider two variants of the n-hunter Stag Hunt in which only m hunters, with 2 ≤ m < n, need to pursue the stag in order to catch it. (Continue to assume that there is a single stag.) Assume that a captured stag is shared only by the hunters that catch it. Assume, as before, that each hunter prefers the fraction 1/n of the stag to a hare. Find the Nash equilibria of the strategic game that models this situation. Assume that each hunter prefers the fraction 1/k of the stag to a hare, but prefers the hare to any smaller fraction of the stag, where k is an integer with m ≤ k ≤ n. Find the Nash equilibria of the strategic game that models this situation.A strategy is a decision rule that describes the actions a player will take at each decision point. The normal-form game indicates the players in the game, the possible strategies of the players, and the payoffs to the players that will result from alternative strategies. In the game presented in Table Normal-Form Game, does player B have a dominant strategy? What is the secure strategy for player B in the game presented in Table Normal-Form Game?Paramter y = 0 If ⟨a, d⟩ is played in the first period and ⟨b, e⟩ is played in the second period, whatis the resulting (repeated game) payoff for the row player?
- Suppose the following game is played infinite times in the future. Time discount is 0.90. What should be the value of x so that the equilibrium strategy is (Cooperate, Cooperate)? Player 2 Player 1 Cooperate Defect Cooperate (x, x) (2, 14) Defect (14, 2) (5, 5)Derive all of the rationalizable strategies for the game shown.Consider the following simultaneous move game: a. What is the maximum amount player 1 should be willing to pay for the opportunity to move first instead of moving at the same time as player 2? Explain carefully. b. What is the maximum amount player 2 should be willing to spend to keep player 1 from getting to move first?