Which of the following goods is most likely to display increasing marginal utility over some range?

Question

a. chicken during the 1920s, when it was considered a luxury good

b. paint, which you need in an amount sufficient to paint at least one entire room

c. lobsters, which are so expensive that you must eat two to get your money's worth

d. all of the above

Answer 1

c: eat as much as you can and go through maximizing your utility

Answer 2

d. all of the above