In 2012, consumers in Dexter consumed only books and pens. The prices and quantities for 2012 and 2013 are listed in the table above. The reference base period for Dexter's CPI is 2012. What is the cost of the CPI basket in 2013?

Marylou, whose utility of wealth curve is shown in the figure above, faces two options. Option A yields $200 for sure. Option B has a 0.3 probability of yielding $100, and a 0.7 probability of yielding $300. Marylou, who is

A) picks option A. B) picks option B. C) is indifferent between option A and option B. D) needs more information to make a choice.

Return to the ready-to-eat cereal example from the previous question. Now assume that there is only one kind of cereal, so the manufacturer cannot distinguish between types of consumer (adults vs. children, of which suppose there are equal numbers in the market). What is the optimal menu of cereal boxes?

a. a 3 ounce box (which adults will buy) sold for 48 cents; a 4 ounce box (which children will buy) sold for $1.12. b. a 3 ounce box (which adults will buy) sold for 48 cents; a 4 ounce box (which children will buy) sold for 64 cents. c. a 2 ounce box (which adults will buy) sold for 36 cents; a 4 ounce box (which children will buy) sold for 76 cents. d. No menu; the manufacturer is better off just selling a 5 ounce box for $1.12, which is only purchased by children.