Thursday, January 19, 2017

1/19/17: Supply & Demand Graphs

Supply & Demand Graphs

  • Equilibrium: Point at which the supply curve intersects with the demand curve
  • Excess Demand: Occurs when… Quantity Demanded  > Quantity Supplied
    • This will result in a shortage



  • Shortage: Consumers can’t get quantities of items they want
  • Price Ceiling: Creates shortage
    • When government puts a legal limit on how high the price of a product can be.
    • Ex) Rent control



  • Excess Demand: QD > QS
  • Excess: Occurs when quantity supplied is greater than quantity demanded.
    • Results in surplus

  • Surplus: Producers have inventories they can’t get rid of.
  • Price Floors:
    • Created
    • Lowest legal price a commodity can be sold at
    • Government uses to prevent prices from becoming too low


Excess Supply: QS > QD







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