11. Which of the following is the best example of the
free-rider problem?
(A) A company gives away free samples of a new
product.
(B) A single firm is the sole supplier of corn oil.
(C) There are economies of scale in the
production of passenger elevators.
b) It is difficult to exclude those who do not pay
for a good from enjoying the benefits of the
good.
(E) There is free entry and exit into production of
toothpaste, but products are not
homogeneous.