What is the own price elasticity of demand

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Question: The demand curve for a product is given by QXd = 1,200 - 3PX - 0.1PZ where Pz = $300.

a. What is the own price elasticity of demand when Px = $140? Is demand elastic or inelastic at this price? What would happen to the firm's revenue if it decided to charge a price below $140?

Own price elasticity:

If the firm prices below $140, revenue will: (increase, decrease or not change)

b. What is the own price elasticity of demand when Px = $240? Is demand elastic or inelastic at this price? What would happen to the firm�s revenue if it decided to charge a price above $240?

Own price elasticity:

If the firm prices above $240, revenue will:

c. What is the cross-price elasticity of demand between good X and good Z when Px = $140? Are goods X and Z substitutes or complements?

Cross-price elasticity:

Reference no: EM132182553

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