The main reason the usefulness of Pareto optimal policies is limited as a policy guide is that: Question 2 options: it is too subjective. it is only objective, and good policy also requires a subjective element. real-world changes in which no one is harmed are rare or nonexistent. real-world changes in which more people are helped than are harmed are rare.

real-world changes in which no one is harmed are rare or nonexistent.

Explanation:

Pareto optimality, also known as Pareto efficiency was named after Vilfredo Pareto and it refers to an economic system in which no additional changes can make a person better off without making at least one person worse off.

This ultimately implies that, when there's a maximum level of efficiency in the allocation of goods and resources in an economy and no further changes can be made without making at least one person worse off. Thus, it can only exist in theory but not in reality.

The main reason the usefulness of Pareto optimal policies is limited as a policy guide is that real-world changes in which no one is harmed are rare or nonexistent because the goods and resources cannot be reallocated.

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