Part 1 Consider the following game between two early settlers in the United States: Settler 2 Move West Move North Move West 60, 110 100, 140 Settler 1 Move North 70, 130 90, 100 Which of the following is true? Choose one: O A. Both settlers have the same dominant strategy: move west. O B. Neither settler has a dominant strategy. O.Only settler 1 has a dominant strategy. O D. Both settlers have the same dominant strategy: move north. O E. Only settler 2 has a dominant strategy. Part 2 Considering the payoff matrix in the game above, Choose one: O A. there are two equilibria, when one moves west the other moves north (and vice versa). O B. there are no equilibria. O C. there is one equilibrium, for both to move north. O D. there is one equilibrium, for both to move west.

Part 1 Consider the following game between two early settlers in the United States: Settler 2 Move West Move North Move West 60, 110 100, 140 Settler 1 Move North 70, 130 90, 100 Which of the following is true? Choose one: O A. Both settlers have the same dominant strategy: move west. O B. Neither settler has a dominant strategy. O.Only settler 1 has a dominant strategy. O D. Both settlers have the same dominant strategy: move north. O E. Only settler 2 has a dominant strategy. Part 2 Considering the payoff matrix in the game above, Choose one: O A. there are two equilibria, when one moves west the other moves north (and vice versa). O B. there are no equilibria. O C. there is one equilibrium, for both to move north. O D. there is one equilibrium, for both to move west.

Principles of Microeconomics

7th Edition

ISBN:9781305156050

Author:N. Gregory Mankiw

Publisher:N. Gregory Mankiw

Chapter17: Oligopoly

Section: Chapter Questions

Problem 5PA

See similar textbooks

Similar questions

Consider the following game: Player 2 In Out Player 1 In -2,-2 2, 0 Out 0, 2 0, 0 (a) What is the Nash equilibrium of this game, or what are the Nash equilibriaof this game? (b) Does either firm have a dominate strategy (a strategy that is always abest response)? Which? (c) Suppose Player 1 could move before Player 2 and Player 2 could observe Player 1’s move. What do you think would happen?
Suppose that two players are playing the following game. Player 1 can choose either Top or Bottom, and Player 2 can choose either Left or Right. The payoffs are given in the following table: Player 1 Player 2 Left Right Top 6 1 9 4 Bottom 2 4 5 3 where the number on the left is the payoff to Player 1, and the number on the right is the payoff to Player 2. D) What is Player 1’s maximin strategy?E) What is Player 2’s maximin strategy?F) If the game were played with Player 1 moving first and Player 2 moving second, using the backward induction method we went over in class, what strategy will each player choose?
Assume the following game situation: If Player A plays UP and Player B plays LEFT then Player A gets $1 and Player B gets $3. If Player A plays UP and Player B plays RIGHT then Player A gets $2 and Player B gets $5. If Player A plays DOWN and Player B plays LEFET then Player A gets $4 and Player B gets $2. If Player A plays DOWN and Player B plays RIGHT then Player A gets $1 and Player B gets $1 What is the Mixed Strategy Equilibrium for Player B? O. (LEFT, RIGHT) = (1/8, 3/8) O. (LEFT, RIGHT) = (1/4, 3/4) O. (LEFT, RIGHT) = (1/2, 1/2) O. (LEFT, RIGHT) = (3/8, 1/8)
2. Consider the following game. Assume that this game is played simultaneously and without collusion. The two companies are choosing between two strategies: go international or stay national. The outcomes of each strategy for each company are given the following payoff matrix: a) Find Nash equilibrium in this game. Interpret the equilibrium you found. b) What is the Chipco's dominant strategy, if it has one? How shall Chipco's payoffs change for it to not have a dominant strategy anymore?
Game Theory a) Consider the following game represented by the game tree below. If you observe Blue Bank playing medium and Green Bank playing bottom, would you be surprised by their choices? Carefully explain why or why not. b) Now assume that Blue and Green Banks play the game with the same actions and payoffs as in a) but they make their choices simultaneously. What is the payoff matrix for this new game? What do you predict will happen in the game? Explain. c) Assume that the game from part a) is played five times, i.e. Blue and Green Banks play a repeated game with the stage game described in a). What do you predict will happen in the game? Explain.
Use the following payoff matrix to answer the following questions. (LO2) Player 2 Strategies C D Player 1 A −10, −10 200, −100 B −100, 220 140, 180cSuppose this is a one-shot game: a. Determine the dominant strategy for each player. If such strategies do not exist, explain why not. b. Determine the secure strategy for each player. If such strategies do not exist, explain why not. c. Determine the Nash equilibrium of this game. If such an equilibrium does not exist, explain why not.
Solve for the Nash equilibrium (or equilibria) in each of the following games. (a) The following two-by-two game is a little harder to solve since firm 2’spreferred strategy depends of what firm 1 does. But firm 1 has a dominantstrategy so this game has one Nash equilibrium. Firm 2 Launch Don’tFirm 1 Launch 60, -10 100, 0 Don’t 80, 30 120, 0 What is the Nash equilibrium of this simultaneous-move game? (b) What would the outcome of this game be if instead firm 1 moved first and then, after seeing what firm 1 chose, firm 2 chose it strategy? In this case firm 1 doesn’t necessarily need to choose a best response, but firm 2 must choose a best response since it moves second.
2. Consider a game that game theory people refer to as the “ultimatum game.”We will refer to our two players as the “offerer” and the “decider”. How the gameworks is that the offerer proposes a way to split $1000 between the two players.While this could be done in a variety of ways, we will assume that the offerersonly has two possible proposals: Either a 50-50 split, or she offers the decider$50 and keeps the rest. The decider can either accept or reject the offer. If the offer is accepted, the money is split as proposed. If the offer is rejected, themoney spontaneously combusts and nobody gets anything. a) List the strategies for each player and write an extensive form version of thegame with payouts. b) List all the Nash equilibria of this game. c) Explain which, if any of the Nash equilibrium are not sub-game perfect. d) Write the game out in normal form and find the pure strategy Nashequilibrium. Explain how this matches with your answers to (b) and (c) . Alsoexplain why there…
Next, explain how it can be applied to the decisions that have to be made in an oligopoly. What specifically is the decision to be made by each seller in an oligopoly? How does each possible outcome in the prisoners' dilemma map into an outcome in an oligopoly? What do you think each seller's dominant strategy will be? Examine and discuss how the role of communication, specifically the lack of communication, can lead to an outcome that is worse for the players. (Of course, it is against U.S. law for the sellers to conspire to make the market less competitive!) Can you think of other examples of how the prisoners' dilemma could be applied to business decision making? Discuss any other applications of a prisoners' dilemma game you find to be interesting, whether from the text or one you can think of on your own.
Alice and Betsy are playing a game in which each can play either of two strategies, leave or stay. If both play the strategy leave, then each gets a payoff of $400. If both play the strategy stay, then each gets a payoff of $800. If one plays stay and the other plays leave, then the one who plays stay gets a payoff of $C and the one who plays leave gets a payoff of $D. When is the outcome where both play leave a Nash equilibrium? a) never, since 800 > 400 b) when 400 > C and D > 800 but not when 800 > D c) whenever 400 > C d) when D > C and C > 400 e) whenever d < 800
Imagine that two firms in two different countries want to bring a new product to market. Due to economies of scale, if both firms do this, they will both lose £50 million. But if only one firm does this, it will gain £300 million. (a) What is the best strategy for firm A, if firm B has not yet entered the market, and why? (b) Illustrate this with a game theory diagram, showing appropriate payouts. (c) What is the welfare-maximising strategy for a government, and why?
answer the ff: Suppose that each company cancharge either a high price for tickets or a low price. Ifone company charges $300, it earns low profit if theother company also charges $300 and high profit ifthe other company charges $600. On the other hand,if the company charges $600, it earns very low profit ifthe other company charges $300 and medium profitif the other company also charges $600.a. Draw the decision box for this game.b. What is the Nash equilibrium in this game?Explain.c. Is there an outcome that would be better than theNash equilibrium for both airlines? How could itbe achieved? Who would lose if it were achieved?