Suppose that an industry's long-run supply curve is downsloping.This suggests that:

A) it is an increasing-cost industry.
B) relevant inputs have become more expensive as the industry has expanded.
C) technology has become less efficient as a result of the industry's expansion.
D) it is a decreasing-cost industry.

Decreasing-Cost Industry

An industry in which expansion through the entry of firms lowers the prices that firms in the industry must pay for resources and therefore decreases their production costs.

Long-Run Supply Curve

A graphical representation showing the relationship between market prices and the amount of output that firms are willing to supply in the long run.

Industry Expansion

The process of an industry growing in size, output, or number of participants, often through increased demand or technological advancements.