Why will a perfectly competitive firm continue to produce in the long run even though there are no economic profits?

Question

Quizplus · Accepted Answer

In a perfectly competitive market, firms will continue to produce in the long run even though there are no economic profits because all employed resources are earning their opportunity cost. In other words, the firm is covering all of its costs, including the opportunity cost of the resources that it is using. Therefore, the firm is at least breaking even, making it worthwhile for it to continue producing in the long run.

Why Will a Perfectly Competitive Firm Continue to Produce in the Long