pr each player, if no player has played D previously. me are represented by the following game tree, where vyer, branches denote actions, and final payoffs are indi ch (Player 1's payoff is the first number, Player 2's payo

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Consider the following sequential game. There are two players, Player 1 and Player 2,
who alternate turns, Each turn, each player can choose one of two actions: Across (A)
or Down (D). If either player chooses D on their turn, the game ends. Otherwise, it
becomes the other player's turn, who may again play either A or D. The game ends
after 100 turns for each player, if no player has played D previously.
Payoffs in the game are represented by the following game tree, where nodes denote
turns for each player, branches denote actions, and final payoffs are indicated at the
end of each branch (Player 1's payoff is the first number, Player 2's payoff is the
second):
100
100
ID
D.
D
98
98
97
100
99
99
98
101
Note that the sum of payoffs for each player is increasing by 1 each turn. However, a
player claims a slightly larger payoff if the game ends on their turn, rather than their
opponent's.
Assuming that both players strictly apply the principle of backward induction, what
payoffs will the players receive in this game?
(Hint: Start by analyzing what happens at the last decision node. Then think about the
second from the last, and the third from last. What pattern do you observe?)
(98, 101)
(97, 100)
(100, 100)
(1. 1)
O (99, 99)
Transcribed Image Text:Consider the following sequential game. There are two players, Player 1 and Player 2, who alternate turns, Each turn, each player can choose one of two actions: Across (A) or Down (D). If either player chooses D on their turn, the game ends. Otherwise, it becomes the other player's turn, who may again play either A or D. The game ends after 100 turns for each player, if no player has played D previously. Payoffs in the game are represented by the following game tree, where nodes denote turns for each player, branches denote actions, and final payoffs are indicated at the end of each branch (Player 1's payoff is the first number, Player 2's payoff is the second): 100 100 ID D. D 98 98 97 100 99 99 98 101 Note that the sum of payoffs for each player is increasing by 1 each turn. However, a player claims a slightly larger payoff if the game ends on their turn, rather than their opponent's. Assuming that both players strictly apply the principle of backward induction, what payoffs will the players receive in this game? (Hint: Start by analyzing what happens at the last decision node. Then think about the second from the last, and the third from last. What pattern do you observe?) (98, 101) (97, 100) (100, 100) (1. 1) O (99, 99)
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