Player 1

Player 2

Game a: κ = 0

Game b: κ = .25

Game c: κ = .5

Coop.

Uncoop.

Coop.

Uncoop.

Coop.

Uncoop.

Cooperative

3; 3

0; 5

3; 3

$1\frac{1}{4}$ ; $3\frac{3}{4}$ *

3; 3*

$2\frac{1}{2}$ ; $2\frac{1}{2}$

Uncooperative

5; 0

1; 1*

$3\frac{3}{4}$ ; $1\frac{1}{4}$ *

1; 1

$2\frac{1}{2}$ ; $2\frac{1}{2}$

1; 1