Suppose IronTown demand and supply curves for oil is given by ? = 500−4? ? = −100+6? Determine which one is the supply curve and which one is the demand curve and why? Calculate the equilibrium price and quantity. Suppose that IronTown demand changes to ? = 600−4?. Find the new equilibrium price and quantity.

Exploring Economics
8th Edition
ISBN:9781544336329
Author:Robert L. Sexton
Publisher:Robert L. Sexton
Chapter4: Demand, Supply, And Market Equilibrium
Section: Chapter Questions
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Suppose IronTown demand and supply curves for oil is given by

? = 500−4?

? = −100+6?

  1. Determine which one is the supply curve and which one is the demand curve and why?
  2. Calculate the equilibrium price and quantity.
  3. Suppose that IronTown demand changes to ? = 600−4?. Find the new equilibrium price and quantity.
  4. Compare what happens to equilibrium quantities and prices in questions (2) and (c)?
  5. From equation (1), if the current price is 110, describe what happens to quantities and prices of demand and supply in this market?
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