Suppose that the demand curve for a product is given by Qdx=100-2Px+aPy where Px = £20, where Py = £20 is the price of another product, and where a is 0. Calculate the demand for good X in this market at the current price level. How much revenue would the firm make? If the firm wishes to increase total revenue, would it need to increase or decrease the current price of good X? Calculate the cross-price point elasticity between goods X and Y at the current price level. Are the goods complements or substitutes?

Microeconomics
13th Edition
ISBN:9781337617406
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter6: Elasticity
Section: Chapter Questions
Problem 11QP: Suppose you learned that the price elasticity of demand for wheat is 0.7 between the current price...
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Suppose that the demand curve for a product is given by

Qdx=100-2Px+aPy

where Px = £20, where Py = £20 is the price of another product, and where a is 0.

  1. Calculate the demand for good X in this market at the current price level. How much revenue would the firm make?
  2. If the firm wishes to increase total revenue, would it need to increase or decrease the current price of good X?

  3. Calculate the cross-price point elasticity between goods X and Y at the current price level. Are the goods complements or substitutes?
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