Suppose You Observe a Baby Sitting in Front of a Mirror

question 145

Multiple Choice

Suppose you observe a baby sitting in front of a mirror. You now place a dot of rouge on the baby's nose. You see the baby look at the mirror, but rather than focusing on the red nose, the baby appears to be looking at many aspects of her appearance. In fact, she begins to sing and do hand movements to her favorite song as if she is performing for her own enjoyment. Your best guess is that this baby is about how old?

• A) about 6 months of age
• B) about 12 months of age
• C) about 18 months of age
• D) 36 months of age

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Definitions:

Pareto Optimal

A state of allocation of resources from which it is impossible to reallocate to make any individual or preference criterion better off without making at least one individual or preference criterion worse off.

Potentially Efficient

A situation or system that has the capacity to achieve efficiency but has not yet achieved it.

Unequivocally Pareto Optimal

A situation where an allocation cannot be adjusted to make one individual better off without making someone else worse off, signifying an optimal allocation of resources.

Pareto Optimality

A situation where resources are distributed in such a way that it's not possible to improve the position of any individual or satisfy a preference more fully without adversely affecting at least one other individual or preference criterion.