When a good creates a negaAve externality in consumpAon than the following is expected to happen:
A. The quanRty of the good provided by the market is below the socially opRmal output
B. Consumers are aware of the externality and switch to buying different goods to compensate
C. The market demand curve is above the marginal social benefit curve
D. The government can correct the externality by subsidizing the good.