Microeconomics · free preview

Humans in the Game

Real players reject unfair splits, reward kindness and punish cheats at a cost to themselves, and behavioral game theory folds these systematic social preferences back into prediction.

1. The ultimatum surprise

The ultimatum surprise

2. The taste for punishment

The taste for punishment

3. Cheap talk and its discontents

Cheap talk and its discontents

4. The games module closes

The games module closes

5. Reading the ultimatum result

In ultimatum game experiments, offers below 20 percent of the pie are rejected about half the time, and average offers run 30 to 50 percent. What is the standard economic interpretation?

6. Cheap talk's informativeness

When does a costless announcement credibly convey information?

7. Punishment's price

In a punishment experiment, a responder rejects an 8 dollar share of a 40 dollar pie, giving up 8 dollars to deny the proposer 32. Compute the proposer's loss from the rejection, and write the number.

8. The ultimatum surprise

In ultimatum experiments offers below 20 percent of the pie are rejected about half the time. What does this reveal that the basic model missed?

9. When cheap talk carries weight

When does a costless announcement credibly convey information?

10. The rejected share's cost

In a punishment experiment a responder rejects an 8 dollar share of a 40 dollar pie. Compute the amount the proposer loses from the rejection, and write the number.

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