Lectures in Microeconomics-Charles W. Upton The Monopolist’s Demand Curve.

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Presentation transcript:

Lectures in Microeconomics-Charles W. Upton The Monopolist’s Demand Curve

Want to develop some key propositions about the demand curve

The Monopolist’s Demand Curve Want to develop some key propositions about the demand curve Many of these center on elasticities

The Monopolist’s Demand Curve Want to develop some key propositions about the demand curve Many of these center on elasticities Then some applications

The Monopolist’s Demand Curve Marginal Revenue and Elasticity Recall our definition of point elasticity

The Monopolist’s Demand Curve Marginal Revenue and Elasticity Recall our definition of point elasticity In the case of a linear demand function Q = a – bP

The Monopolist’s Demand Curve Marginal Revenue and Elasticity Recall our definition of point elasticity In the case of a linear demand function Q = a – bP Slope = -b

The Monopolist’s Demand Curve Marginal Revenue and Elasticity A more general definition

The Monopolist’s Demand Curve Restating the Elasticity

The Monopolist’s Demand Curve Restating the Elasticity

The Monopolist’s Demand Curve Restating the Elasticity

The Monopolist’s Demand Curve Restating the Elasticity

The Monopolist’s Demand Curve Marginal Revenue and Elasticity The Monopolist cares about MR. There is a relation between MR and elasticity. R = PQ

The Monopolist’s Demand Curve Marginal Revenue and Elasticity The Monopolist cares about MR. There is a relation between MR and elasticity. R = PQ

The Monopolist’s Demand Curve Marginal Revenue and Elasticity The Monopolist cares about MR. There is a relation between MR and elasticity. R = PQ

The Monopolist’s Demand Curve Marginal Revenue and Elasticity

The Monopolist’s Demand Curve Marginal Revenue and Elasticity

The Monopolist’s Demand Curve Marginal Revenue and Elasticity

The Monopolist’s Demand Curve Marginal Revenue and Elasticity

The Monopolist’s Demand Curve First Elasticity Relation

The Monopolist’s Demand Curve Second Elasticity Relation

The Monopolist’s Demand Curve Second Elasticity Relation

The Monopolist’s Demand Curve Second Elasticity Relation

The Monopolist’s Demand Curve Second Elasticity Relation

The Monopolist’s Demand Curve Second Elasticity Relation

The Monopolist’s Demand Curve Third Elasticity Relation

The Monopolist’s Demand Curve Third Elasticity Relation

The Monopolist’s Demand Curve Third Elasticity Relation

The Monopolist’s Demand Curve Third Elasticity Relation

The Monopolist’s Demand Curve Third Elasticity Relation

The Monopolist’s Demand Curve A Summary

The Monopolist’s Demand Curve End ©2004 Charles W. Upton