Economics 4. Suppose you are going to play a game with four other people in our class. The rule of the game is that: each of them will choose a number between and 100 (including 0 and 100). The winner of the game is the one whose chosen number is the closest to [20+* average of everyone's chosen number]. The winner can get $100 form Josie. Everyone choosing 20 is a Nash Equilibrium. (a) True (b) False

Economics 4. Suppose you are going to play a game with four other people in our class. The rule of the game is that: each of them will choose a number between and 100 (including 0 and 100). The winner of the game is the one whose chosen number is the closest to [20+* average of everyone's chosen number]. The winner can get $100 form Josie. Everyone choosing 20 is a Nash Equilibrium. (a) True (b) False

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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If the players play pure strategies, the game has no Nash equilibrium. But what if they choose their moves randomly? Let each player instead opt for a mixed strategy instead of a pure strategy. The first will play action Z with probability p, and the second will play action L with probability q. At which pair (p, q) are the mixed strategies of the players in equilibrium? At which pair (p, q) does neither player want to change strategy? When are both strategies simultaneously the best response?
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Question 2. Two students are working together to submit their Microeconomics mid-semester group coursework. Each student i can put in the effort x; that costs c(x;), in which x; E [0, 1]. This gives each student the utility of u(x1, x2). Formu- late this situation as a strategic game.
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Jane is interested in buying a car from a used car dealer. Her maximum willingness to pay for thecar is 12 ($12,000). Bo, the dealer, is willing to sell the car as long as he receives at least 9($9,000). What is the Nash bargaining solution to this game?
You suspect that you are a price leader in the market. Moreover, you are considering expanding your operations. H.R. Shovenstuff will observe your moves and then follow, but he is more secretive so you will not know whether to price high or low after his pricing decision has been made. Using the following game tree, solve for the Nash equilibrium. High Price Shovenstuff High Price Low Price You High Price (2,1) (6,2) Invest Low Price Invest, High Price, High Price O Invest, Low Price, High Price Invest, Low Price, Low Price O Don't Invest, High Price, High Price Don't Invest, Low Price, High Price LOW Price (2,4) You High Price (4,4) Don't Invest High Price Low Price Shovenstuff Low Price You High Price (8,1) (2.6) Low Price (2,1)
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