If mining companies are indifferent between operating and not operating a quarry, that quarry is
A)discounted.
B)usurious.
C)marginal.
D)nonexcludable.

Question

Quizplus · Accepted Answer

A quarry that is marginal means that the cost of operating and not operating the quarry are equal. In other words, there is no economic benefit or loss to the mining companies in deciding whether to operate or not.

If Mining Companies Are Indifferent Between Operating and Not Operating