2024年6月14日发(作者：)

博弈论答案（Game theory answer）

Game theory, exercises, reference answers (second assignments)

First, the multiple-choice question

1.B, 2.C, 3.A, 4.A, 5.B,

7.C 8.B 9.C

Two, judge and explain the reason

1.F best balance is an equilibrium more rigorous than the Nash

equilibrium

2.T best balance is an equilibrium more rigorous than the Nash

equilibrium

3.T game types are divided into single game, double game and

multiplayer game according to the number of players in the game

Under the condition that both sides of the 4.F game have

different preferences, there may be 2 Nash equilibria in a game

model, such as the sex war

5.T zero sum game refers to the participation of all parties

in the game, under strict competition, one side of revenue is

equal to the other party's loss, the sum of gains and losses

of the game is always zero, so there is no possibility of

cooperation between the two sides

6.T is strictly dominated equilibrium through the worst

elimination method (excluding repeat decision) the dominant

strategy, there is only one Nash equilibrium

7.F Nash equilibrium is a collection of best policies, which

means that in the case of a given strategy, the game side always

chooses a relatively large strategy, and does not guarantee the

outcome to be the best.

In the 8.F game, people always choose their own strategies to

maximize their interests and not aim at the change of the

other's earnings

9.T Nash equilibrium is a collection of best policies, which

means that when given someone else's strategy, no one changes

his strategy to reduce his earnings

In the 10.F game, people always choose their own strategies to

maximize their interests and not aim at the change of the

other's earnings

In the 11.F game, people always choose their own strategies to

maximize their interests and not aim at the change of the

other's earnings

12.T although Berg Stagg model profit is less than the sum of

the Cournot model, but the profit model of high Bigunuo leader

Three, calculation and analysis questions

1, (1) draw A, B two enterprise profit and loss matrix.