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Supply

Supply. J.A.SACCO. SUPPLY. Quantity supplied The amount of a good, service, or resource that a producer is willing and able to sell at each and every price during a specified period of time, ceteris paribus. Price once again the KEY!!

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Supply

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  1. Supply J.A.SACCO

  2. SUPPLY Quantity supplied The amount of a good, service, or resource that a producer is willing and able to sell at each and every price during a specified period of time, ceteris paribus. Price once again the KEY!! The Law of Supply Other things remaining the same, • If the price of a good rises, the quantity supplied of that good increases. • If the price of a good falls, the quantity supplied of that good decreases.

  3. SUPPLY • The price of a product or service and the quantity supplied are directly related. P QS P QS

  4. Supply • Why is there a direct relationship between price and the quantity supplied. Profit Motive Revenue > Cost of Production = Profit

  5. SUPPLY Supply schedule A list of the quantities supplied at each and every price when all other influences on selling plans remain the same. Supply curve A graph of the relationship between the quantity supplied and the price of the good when all other influences on selling plans remain the same.

  6. SUPPLY

  7. SUPPLY • Individual Supply and Market Supply • Market supply • The sum of the supplies of all sellers in a market. • The market supply curve is the horizontal sum of the supply curves of all the sellers in the market.

  8. SUPPLY

  9. SUPPLY • Changes in Supply • Change in supply • A change in the quantity that suppliers plan to sell when any influence on selling plans other than the price of the good changes. • A change in supply means that there is a new supply schedule and a new supply curve.

  10. SUPPLY Figure shows changes in supply. 1. When supply decreases, the supply curve shifts leftward from S0 to S1. 2. When supply increases, the supply curve shifts rightward from S0 to S2.

  11. CHANGE of SUPPLY The main influences on selling plans that change supply are • Prices of resources and other Inputs • Productivity/Technology • Expectations • Government tools • Number of sellers • Prices of related goods

  12. 4.2 SUPPLY • Prices of Resources and Other Inputs • Resource and input prices influence the cost of production. Price of inputs Supply Shift Left Supply Price of inputs Shift Right

  13. CHANGE of SUPPLY • Productivity/Technology • Productivity is output per unit of input. • An increase in productivity lowers costs and increases supply. For example, an advance in technology. • A decrease in productivity raises costs and decreases supply. For example, a severe hurricane.

  14. CHANGE of SUPPLY • Expectations • Expectations about future prices influence supply. • Expectations of future input prices also influence supply. EXPLAIN

  15. CHANGE of SUPPLY • Government Tools: Subsidies/Regulations/Taxes

  16. CHANGE of SUPPLY • Number of Sellers • The greater the number of sellers in a market, the larger is supply.

  17. CHANGE of SUPPLY Prices of Related Goods • A change in the price of one good can bring a change in the supply of another good. • Substitute in production • A good that can be produced in place of another good. For example, a truck and an SUV in an auto factory. • The supply of a good increases if the price of one of its substitutes in production falls. • The supply a good decreases if the price of one of its substitutes in production rises.

  18. CHANGE of SUPPLY • Complement in production • A good that is produced along with another good. For example, cream is a complement in production of skim milk in a dairy. • The supply of a good increases if the price of one of its complements in production rises. • The supply a good decreases if the price of one of its complements in production falls.

  19. CHANGE of SUPPLY • Change in Quantity Supplied Versus a Change in Supply • Change in quantity supplied • A change in the quantity of a good that suppliers plan to sell that results from a change in the price of the good. • Change in supply • A change in the quantity that suppliers plan to sell when any influence on selling plans other than the price of the good changes.

  20. Quantity Supplied/Change in Supply • Figure illustrates and summarizes the distinction

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