Let the market demand for carbonated water be given by QD = 100 − 5P. Let there be two firms producing carbonated water, each with a constant marginal cost of 2.
a)What is the market equilibrium price and quantity when each firm behaves as a Cournot duopolist choosing quantities? What profit does each firm earn?
b)Sketch the Cournot response functions for firm 1 and firm 2.
c)What is the market equilibrium price and quantity when each firm behaves as a Bertrand duopolist choosing price? What firm profit does each firm earn now?
d)Sketch the Bertrand response functions for firm 1 and firm 2.