Microeconomics 20th Edition by McConnell, Sean Flynn, Stanley Brue

Exercise 5

Many proposers in the ultimatum game offer half to the responder with whom they are paired. This behavior could be motivated by (select as many as might apply):
a. Fear that an unequal split might be rejected by a fairminded responder.
b. A desire to induce the responder to reject the offer.
c. A strong sense of fairness on the part of the proposers.
d. Unrestrained greed on the part of the proposers