Title | MTH460 MTH 560 Homework assignments |
---|---|
Course | Theory of Games |
Institution | University at Buffalo |
Pages | 2 |
File Size | 73.6 KB |
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MTH 460/560
Exercise I
January 20, 2010
Prof. Cowen Definition: A strategy triple (s, t, u) in a 3-player game is a Nash Equilibrium if each player’s strategy is a best response to the other two players’ strategies. So, s is a best response for Player 1 if Player 2 uses t and Player 3 uses u; t is a best response for Player 2 if Player 1 uses s and Player 3 uses u; and u is a best response for Player 3 if Player 1 uses s and Player 2 uses t. Exercise 1: Consider the following 3-person game: P3 u1
u2
P2
P2
t1
t2
t1
s1 (45, 50, 9) (45, 49, 3) (45, 53, 10)
t2 (45,52,8)
P1 s2 (48, 46, 2)
(0, 47, 4)
(48, 48, 0)
(46, 50, 5)
(3, 41, 2)
(48, 47, 3)
(0, 52, 0)
(1, 50, 2)
s3
i) Indicate Player 1’s best responses by circling them, indicate Player 2’s best responses by putting a square around them, and indicate Player 3’s best responses by putting a triangle around them. ii) Find all Nash equilibria.
MTH 460/560
Exercise II
February 13, 2013
Prof. Cowen Exercise 2: Consider the following two person strictly competitive game G with perfect information
a I
l1
L1
d I
l2 r2 u1
u2
l3 u2
r1
b II
c II
R1
L2
e I
f I
r3 u1
l4 u3
R2
g I
r4
l5
u4
u1
r5 u4
Find the restriction of the strategy pair (ℓ1 r2 ℓ3 r4 ℓ5 , R1 L2 ) to the subgame: 1) Gb
2) Gc
3) Ge...