Competition, Monopolies, and Cartels The duopolists may agree on a monopoly outcome ◆ Collusion e The two firms may agree on the quantity to produce and the price to charge. ◆ Cartel e The two firms may ioin together and act In unison。 Harcourt, Inc. items and derived items copyright o 2001 by Harcourt, IncHarcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Competition, Monopolies, and Cartels uThe duopolists may agree on a monopoly outcome. uCollusion uThe two firms may agree on the quantity to produce and the price to charge. uCartel uThe two firms may join together and act in unison