Which of the following cannot be an effective entry barrier?
A) a firm making very high economic profits
B) a firm being granted a patent for its product
C) a firm owning all of a vital resource needed to produce a good
D) when huge economies of scale exist

Question

Quizplus · Accepted Answer

High economic profits alone do not prevent new entrants; they may actually attract them unless other barriers exist.

Which of the Following Cannot Be an Effective Entry Barrier