Which of the Following Is Not a Feature of Sweezy

Multiple Choice

Which of the following is not a feature of Sweezy oligopoly?

A) There are a few firms in the market serving many consumers.
B) The firms produce differentiated products.
C) Each firm believes that rivals will cut their prices in response to a price reduction, but will not raise their prices in response to a price increase.
D) Free entry and exit occurs in the market.