Consider a game between player A with a choice between moves dj and d₂, and player B with a choice between 81 and 82, and the pay-offs given by: 81 82 d₁ (4,6) (7.2) d₂ (2,8) (5,4) Is that game separable? a. Separable with r₁(d₁) = 5,r₁(d) = 2, r2(61) = 1, 72(8₂) = 4, (81 (d₁) = 2, 81 (d₂) = 4, 82 (61) = 4,82 (8₂) = 0 b. Separable with a different solution that the ones proposed c. Separable with ri(di) = 3, r₁(d₂) = 3, 1(61) = 0,72(82) = 1, (81 (d₁) 1, 81 (d2) = 4,82 (81) = 5, 82 (82) = 2 No, not separable. d. e. Separable with ri (d₁) = 4, r₁(d₂) = 1,2(61) = -1, r2(82) = 2, (81 (d₁) 1, 81 (da) = 4,82 (81) = 6, 82 (8₂) = 1 f. Separable with r₁(d₁) = 4, r₁(d₂) = 2,72 (61) = 0, 72(8₂) = 3, (8₁ (d₁) = 1, 8₁ (₂) = 3, 82 (8₁) = 5, 82 (8₂) = 1

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
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Chapter1: Making Economics Decisions
Section: Chapter Questions
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Consider a game between player A with a choice between moves d₁ and d₂, and player B with a choice between
81 and 82, and the pay-offs given by:
3₁
Consider a zero-sum game with the following payoff matrix for player 1:
61 62
d₁ (4,6) (7,2)
d₂ (2,8) (5,4)
Is that game separable?
a. Separable with
r₁(d₁) = 5, r₁(d₂) = 2, 72(81) = 1, 72(82) = 4, (s₁ (d₁) = 2, 8₁ (d₂) = 4,82 (81) = 4, 82 (82) = 0
b. Separable with a different solution that the ones proposed
c.
Separable with
r₁(d₁) = 3, r1(d₂) = 3,(61) = 0, 72(82) = 1, (81 (d₁) = 1, 81 (d₂) = 4, 82 (81) = 5, 82 (82) = 2
No, not separable.
d.
e.
Separable with
ri (d₁) = 4, r₁(d₂) = 1, r2(81) = -1, 72(82) = 2, (81 (d₁) = 1, 81 (d₂) = 4, 82 (81) = 6, 82 (8₂) = 1
f. Separable with
r₁(d₁) = 4, r₁(d₂) = 2, 7₂(81) = 0,72(8₂) = 3, (s₁ (d₁) = 1, 8₁ (d₂) = 3, 82 (81) = 5, 82 (8₂) = 1
Consider the payoff matrix M for a zero-sum game as defined below:
81 82
d₁0-2
d₂-2-1
M1 M₂ M3 M4 M5
d₁ 0 1 5 6 8
d₂ 10 6
5
2 3
O a. r* = (1/2, 1/2), y* = (1/2, 1/2), V =0
O b. r* = (0, 1), y* = (1/2, 1/2), [V| = 1/2
O c. x =
(2/3, 1/3), y* = (0, 1), V = 0
O d. x* =
(2/3, 1/3), y* = (2/3, 1/3), |V| = 4/3
O e. r* = (1/3, 2/3), y* = (2/3, 1/3), |V| = 1/3
O f. * = (1/3,2/3), y* = (1/3,2/3), [V| = 4/3
O g. x* = (2/3, 1/3), y* = (1/3,2/3), [V| = 1/3
Oh.
Another answer
Player 1 will play d₁ with probability
The two moves Player 2 needs to considering playing the most are
probabilities
and
The value of the game is
, and do with probability
The payoffs relate to player 1 who must choose between moves d₁ and d2, while player 2 has potential moves
ans 82.
Find the optimal strategies x* and y* for players 1 and respectively. What is the value V of the game?
and
+
with respective
Note: you need to enter probabilities as numerical answers to 3 decimal places, not fractions. For example, if oneanswer
is 1/3, type 0.333. Also, for Player 2, make sure to mention to first mention their most likely move.
Transcribed Image Text:Consider a game between player A with a choice between moves d₁ and d₂, and player B with a choice between 81 and 82, and the pay-offs given by: 3₁ Consider a zero-sum game with the following payoff matrix for player 1: 61 62 d₁ (4,6) (7,2) d₂ (2,8) (5,4) Is that game separable? a. Separable with r₁(d₁) = 5, r₁(d₂) = 2, 72(81) = 1, 72(82) = 4, (s₁ (d₁) = 2, 8₁ (d₂) = 4,82 (81) = 4, 82 (82) = 0 b. Separable with a different solution that the ones proposed c. Separable with r₁(d₁) = 3, r1(d₂) = 3,(61) = 0, 72(82) = 1, (81 (d₁) = 1, 81 (d₂) = 4, 82 (81) = 5, 82 (82) = 2 No, not separable. d. e. Separable with ri (d₁) = 4, r₁(d₂) = 1, r2(81) = -1, 72(82) = 2, (81 (d₁) = 1, 81 (d₂) = 4, 82 (81) = 6, 82 (8₂) = 1 f. Separable with r₁(d₁) = 4, r₁(d₂) = 2, 7₂(81) = 0,72(8₂) = 3, (s₁ (d₁) = 1, 8₁ (d₂) = 3, 82 (81) = 5, 82 (8₂) = 1 Consider the payoff matrix M for a zero-sum game as defined below: 81 82 d₁0-2 d₂-2-1 M1 M₂ M3 M4 M5 d₁ 0 1 5 6 8 d₂ 10 6 5 2 3 O a. r* = (1/2, 1/2), y* = (1/2, 1/2), V =0 O b. r* = (0, 1), y* = (1/2, 1/2), [V| = 1/2 O c. x = (2/3, 1/3), y* = (0, 1), V = 0 O d. x* = (2/3, 1/3), y* = (2/3, 1/3), |V| = 4/3 O e. r* = (1/3, 2/3), y* = (2/3, 1/3), |V| = 1/3 O f. * = (1/3,2/3), y* = (1/3,2/3), [V| = 4/3 O g. x* = (2/3, 1/3), y* = (1/3,2/3), [V| = 1/3 Oh. Another answer Player 1 will play d₁ with probability The two moves Player 2 needs to considering playing the most are probabilities and The value of the game is , and do with probability The payoffs relate to player 1 who must choose between moves d₁ and d2, while player 2 has potential moves ans 82. Find the optimal strategies x* and y* for players 1 and respectively. What is the value V of the game? and + with respective Note: you need to enter probabilities as numerical answers to 3 decimal places, not fractions. For example, if oneanswer is 1/3, type 0.333. Also, for Player 2, make sure to mention to first mention their most likely move.
We consider the following decision problem, with 4 decisions dį, i € {1, ... ,4}, and four possible outcomes
wi, i E (1,...,4}, with the following table of profits:
61 62 63 64
d₁ 1 6 7 2
d₂ 4 6 4 6
d3 3 2 3 2
d4 5 5 5 5
According to optimism-pessimism rule, with degree of optimism a, :
we should never choose decision
we will choose
we will choose
we will choose
M1 M₂ M3 M4 M5
d₁ 0 1 5 68
d₂ 10 6 5 2 3
+
Consider a zero-sum game with the following payoff matrix for player 1:
when a < 1/3;
when 1/2 < a < 2/3;
The value of the game is
÷ when a > 3/4.
Player 1 will play d₁ with probability
and
The two moves Player 2 needs to considering playing the most are
probabilities
, and d₂ with probability
and
with respective
Note: you need to enter probabilities as numerical answers to 3 decimal places, not fractions. For example, if oneanswer
is 1/3, type 0.333. Also, for Player 2, make sure to mention to first mention their most likely move.
Transcribed Image Text:We consider the following decision problem, with 4 decisions dį, i € {1, ... ,4}, and four possible outcomes wi, i E (1,...,4}, with the following table of profits: 61 62 63 64 d₁ 1 6 7 2 d₂ 4 6 4 6 d3 3 2 3 2 d4 5 5 5 5 According to optimism-pessimism rule, with degree of optimism a, : we should never choose decision we will choose we will choose we will choose M1 M₂ M3 M4 M5 d₁ 0 1 5 68 d₂ 10 6 5 2 3 + Consider a zero-sum game with the following payoff matrix for player 1: when a < 1/3; when 1/2 < a < 2/3; The value of the game is ÷ when a > 3/4. Player 1 will play d₁ with probability and The two moves Player 2 needs to considering playing the most are probabilities , and d₂ with probability and with respective Note: you need to enter probabilities as numerical answers to 3 decimal places, not fractions. For example, if oneanswer is 1/3, type 0.333. Also, for Player 2, make sure to mention to first mention their most likely move.
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