No Supply Curve in a Monopolistic Market

In a monopolistic market, there are instances where changes in demand curves do not produce a change in both price and quantity ( and ). Change the variables in this Demonstration to see that with a change in demand curve, a monopolist can either produce the same quantity but charge a different price or charge the same price but produce at a different quantity. Therefore, there is no one-to-one relationship between quantity and price—a monopolistic market has no supply curve. You can mouse over a curve to identify it.

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