Cournot duopoly calculator
Two firms choose quantities at the same time. Set the parameters, jump to a benchmark outcome or drag the sliders yourself, and read off the price and each firm's profit.
Demand
P = a − bQ, where Q = q1 + q2
Firm 1 costs
Total cost = MC × q1 + fixed cost
$
$
Firm 2 costs
Total cost = MC × q2 + fixed cost
$
$
Collusion and PC output split:
Marks under the sliders: Cournot Collusion PC (perfect competition)
Price
Total output
Deadweight lossFall in total surplus compared with efficient PC