Which theory would support the idea that education does not enhance productivity, and raising workers' educational levels would not affect wages?

Question

Quizplus · Accepted Answer

Signalling theory suggests that education serves as a signal to employers about a worker's inherent abilities rather than actually enhancing productivity. Therefore, according to this theory, increasing educational levels would not necessarily increase productivity or wages, but rather serve as a stronger signal of potential employee quality.

Which Theory Would Support the Idea That Education Does Not