White-collar employment has risen sharply since the introduction of computers,so clearly the

A) output effect has outweighed the substitution effect.
B) substitution effect has outweighed the output effect.
C) substitution and output effects are equal.

White-collar Employment

Jobs that typically involve professional, managerial, or administrative work, often in an office setting, as opposed to blue-collar jobs that involve manual labor.

Substitution Effect

The change in demand for a good due to a change in its price, leading consumers to substitute it with another product.

Output Effect

When the price of any resource rises, the cost of production rises, which, in turn, lowers the supply of the final product. When supply falls, price rises, consequently reducing output.