When More Firms Enter into a Market That Was Previously

Multiple Choice

When more firms enter into a market that was previously characterized as a duopoly,it will

A) be easier for firms in the market to form a successful cartel.
B) be more difficult for firms in the market to form a successful cartel.
C) be just as difficult for firms in the market to form a successful cartel as it was before the new firms entered.
D) be impossible for firms in the market to form a successful cartel,whereas before the new firms entered,it would have been possible.
E) still be impossible for firms in the market to form a successful cartel.