35. Suppose Joe’s MRS for cookies with crackers is 6 crackers per cookie. Also assume that
Mary’s MRS for cookies with crackers is 3 crackers per cookie. Assuming that these rates of
substitution don’t depend on the amounts consumed, which of the following trades would make
both Joe and Mary better off?
D. There is not enough information to answer the question.
36. Suppose Bart’s MRS for sodas with chips is 6 bags of chips per soda. Also assume that
Lisa’s MRS for sodas with chips is 8 bags of chips per soda. Assuming that these rates of
substitution don’t depend on the amounts consumed, which of the following trades would make
Bart and Lisa better off?
A. Bart gives Lisa 9 bags of chips in exchange for a soda.