Which factor is NOT a barrier to entry?

A) control of an input essential for production
B) government-set barriers such as patents
C) a ban on certain kinds of advertising
D) the existence of significant economies of scale

Economies of Scale

Economies of Scale refer to the cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Barriers to Entry

Obstacles that make it difficult for new competitors to enter a market.

Government-Set Barriers

Regulations or policies implemented by the government that restrict entry into certain markets or industries.