A Business-Stealing Externality

A business-stealing externality

A) is an externality that is likely to be punished under antitrust laws.
B) is the negative externality that occurs when one firm attempts to duplicate exactly the product of a different firm.
C) is an externality that is considered to be an explicit cost of business in monopolistically competitive markets.
D) is the negative externality associated with entry of new firms in a monopolistically competitive market.