# Graphing Demand Curve and Finding Price Quantity

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Assume for simplicity that a monopolist has no costs of production

(MC=0) and faces a demand curve given by Q = 150-P.

a) Calculate the profit-maximizing price-quantity combination for this monopolist.

Also calculate the monopolist's profit.

b) Suppose instead that there are two firms in the market facing the demand and

cost conditions just described for their identical products. Firms choose quantities

simultaneously as in the Cournot model. Compute the outputs in the Nash

equilibrium. Also compute market output, price and firm profits.

c) Suppose the two firms choose prices simultaneously as in the Bertrand model.

Compute the prices in the Nash equilibrium. Also compute firm output and profit

as well as market output.

2

d) Graph the demand curve and indicate where the market price-quantity

combination from parts (a)-(c) appear on the curve.

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##### Solution Summary

Assume for simplicity that a monopolist has no costs of production

(MC=0) and faces a demand curve given by Q = 150-P.

a) Calculate the profit-maximizing price-quantity combination for this monopolist.

Also calculate the monopolist's profit.

b) Suppose instead that there are two firms in the market facing the demand and

cost conditions just described for their identical products. Firms choose quantities

simultaneously as in the Cournot model. Compute the outputs in the Nash

equilibrium. Also compute market output, price and firm profits.

c) Suppose the two firms choose prices simultaneously as in the Bertrand model.

Compute the prices in the Nash equilibrium. Also compute firm output and profit

as well as market output.

2

d) Graph the demand curve and indicate where the market price-quantity

combination from parts (a)-(c) appear on the curve.

##### Solution Preview

Assume for simplicity that a monopolist has no costs of production

(MC=0) and faces a demand curve given by Q = 150-P.

a) Calculate the profit-maximizing price-quantity combination for this monopolist.

Also calculate ...

##### Purchase this Solution

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