Which of the following policies addresses the problem posed by positive externalities?
A) a subsidy to the agent that generates the positive externality
B) a tax on the agent that generates the positive externality
C) limit the activity that generates the positive externality
D) a subsidy to the agents that benefit from the positive externality
Question 2
In the presence of a negative externality, a specific tax can achieve the social optimum because
A) output is reduced to zero as a result.
B) it internalizes the external cost.
C) it directly charges the producer for polluting.
D) the price of the good rises by the full amount of the tax.
