Lava Always Erupts Violently,but Magma Often Flows Quietly

question 73

True/False

Lava always erupts violently,but magma often flows quietly.

---

Definitions:

Constant-Cost Industry

An industry in which the costs of production (including input prices) remain constant regardless of changes in the industry's output level.

Long-Run Equilibrium

A situation in which, after all adjustments have been made, all firms in a perfectly competitive market earn zero economic profit and no firm has an incentive to change its output.

Market Price

The existing rate at which a product or service may be purchased or sold within a market environment.

Competitive Market

A market structure where many firms offer products or services that are similar, leading to high levels of competition.