Sam

Move 1 Move 2

Move 1 1, 1 2, 3

Yang Move 2 -1, 2 1, 0

Move 3 3,4. -2, 1

1. In this game,

a. Yang has a dominant strategy

b. Sam has a dominant strategy

c. There are multiple Nash Equilibria

d. There is only one Nash Equilibrium

2. If this was a sequential game, with Yuhan moving first, which of the following is a Subgame Perfect Nash Equilibrium

1. Yang: Move 1, Sam: Move 1
2. Yang: Move 1, Sam: Move 2
3. Yang: Move 2, Sam: Move 1
4. Yang: Move 3, Sam: Move 1

3. A pure public good is

a. A good that the public must pay for

b. Non rival in consumption and non excludable

c. More costly than a private good

d. Paid for by the government.