If the quantity of the variable on the y-axis increases by 3 when the quantity of the variable on the x-axis increases by 4, then the slope of the curve equals

Screening and monitoring are costly activities. Why is it a bad idea to impose these costs on borrowers?

What will be an ideal response?

In equilibrium, the price of a transferable emissions permit

A) is constrained to the amount the government first charged for it. B) equals the marginal cost of abatement for all firms. C) equals the marginal cost of abatement for the firm with the highest cost, and exceeds the marginal cost of abatement of other firms. D) equals the marginal cost of abatement for the firm with the lowest cost, and is less than the marginal cost of abatement of other firms. E) equals the marginal social cost of emissions.