Two officials are debating the appropriate criterion to introduce a new policy. Official 1 says only policies which result in a Pareto improvement should be adopted. Official 2 says all potential Pareto improvements (where the sum of net benefits is positive) should be adopted. Illustrate (in words, figures or diagrams) what is meant by each argument; then discuss the merits of each argument. State which of the two approaches you would favour if you were forced into taking one or other position and why you would adopt this position.