- You and a classmate are assined a project on which you will receive one combined grade. You each want to receive a good grade, but you also want to avoid hard work. In particular, here is the situation:

• If both of you work hard, you both get an "A", which gives each of you 40 units of happiness.

• If one of you work hard, you will both get a "B" , which gives each of you 30 units of happiness.

• If neither of you work hard, you both will get a "D", which gives each of you 10 units of happiness.

• Working hard costs 25 units of happiness.

a) fill in the payoffs in the following decision box:

b) What is the likely outcome? Explain your answer.

c) If you get this classmate as your partner on a series of projects throughout the year, rather than only once, how might that change the outcome you predicted in part (b)?

d) Another classmate cares more about good grades: He gets 50 units for a "B", and 80 units of happiness from an "A". If this classmate were your partner (but your preferences were unchanged), how would your answers to parts (a) and (b) change? Which of the two classmates would you prefer as partner? Would he also want you as a partner?