2001 mc 18

A.(correct)
if the marginal benefit is greater than the payment.
the residents will pay.
when the payment is greater than the marginal benefit of production.
the society will gain

B. (wrong)
refer to the 2 conditions of Coase Theorem,
TC is not specified
so the allocation of resources may not be the same

C.(wrong)
if TC=0, contracting will take place between market participants,
market still exist

D.(wrong)
Coase have not comment on whether it is a most efficient system