Which of the following policies could help the government achieve the socially efficient outcome?Check all that apply.

Offer a subsidy equal to the price at the efficient outcome

Offer a subsidy to consumers equal to the vertical distance between the marginal private benefit curve and the marginal social benefit curve

Offer a subsidy to producers equal to the vertical distance between the marginal private benefit curve and marginal social benefit curve

Implement tradable pollution permits

Introduce emission taxes