Which action will NOT shift a production possibilities frontier curve outward?

Question

Quizplus · Accepted Answer

Shifting preferences of consumers to cheaper products may affect the distribution of resources among different goods, but it does not lead to an increase in the quantity and quality of resources available for production. Therefore, it will not shift the production possibilities frontier outward. The other choices (A, B, and D) will shift the curve outward by either increasing the quantity or quality of resources or by improving technology.

Which Action Will NOT Shift a Production Possibilities Frontier Curve