Which Statement Is TRUE

Multiple Choice

Which statement is TRUE?

A) The Coase theorem suggests that the efficient equilibrium quantity of flu shots will maximize the sum of producer and consumer surplus.
B) It is easy to internalize the benefits of getting a flu shot because only two companies produce flu vaccines.
C) The market for flu shots could be efficient if the beneficiaries of the external benefits sufficiently compensated those receiving the shot.
D) To internalize the costs of getting a flu shot, people who receive the vaccine should pay other people to be vaccinated.