When a Government Wants to Solve the Tragedy of the Commons

Multiple Choice

When a government wants to solve the tragedy of the commons by banning a good:

A) the cost of breaking the ban needs to be sufficiently low in order to be effective.
B) it needs to change the trade-offs that producers face.
C) the ban will only be effective if it can be easily enforced.
D) it should obtain approval from the community before exacting the ban to be more effective.