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Perfect Competition

Perfect Competition. By Kayleigh Verney. The 5 characteristics to Perfect Competition. All firms are price takers All firms sell a homogeneous product A large number of buyers and sellers NO barriers to entry Perfect information. Farms!. Supply and Demand in PC. Profit Maximization.

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Perfect Competition

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  1. Perfect Competition By Kayleigh Verney

  2. The 5 characteristics to Perfect Competition • All firms are price takers • All firms sell a homogeneous product • A large number of buyers and sellers • NO barriers to entry • Perfect information

  3. Farms!

  4. Supply and Demand inPC

  5. Profit Maximization

  6. Where do you want to be? • MR=MC: PROFIT MAXIMIZATION ! • MR>MC: revenue is increasing faster than cost, so production should increase. • MR<MC:revenue is below marginal cost, so production should slow down.

  7. Elasticity in Perfect Competition • In a perfect competition firm the demand is perfectly elastic because they are “price takers”. The definition of a price taker is a industry or firm who has no affect of influence on the price of an item. • EX: In New Paltz it seems like there are hundreds of pizzerias and because of that a slice of pizza from all of them have to cost relatively the same . So La Bella’s cant have a slice of pizza costing $2 while Rinos is only charging $1.25 , because everyone would just go to Rino’s meaning New Paltz Pizzerias could be part of the Perfectly Competitive market.

  8. Eco-Art

  9. A perfectly competitive firm should always: A. Earn an economic profit.B.Increase its price if it is experiencing an economic loss.C. Produce the quantity where its marginal cost equals its marginal revenue.D. Produce at the productively efficient level of output.

  10. The Answer is… c In order to reach profit maximization MR must = MC

  11. A firm in a perfectly competitive firm has A. a perfectly elastic supply curve.B. a perfectly elastic demand curve.C. a negatively sloped demand curve.D. a positively sloped demand curve.

  12. The Answer is…. B In a Perfectly Competitive firm the demand Curve is PERFECTLY elastic because in the firm you are a price taker.

  13. Which of the following is not a valid option for a perfectly competitive firm? A. Increasing its output.B. Decreasing its output.C. Increasing its price.D. Increasing its resources.

  14. The Answer is… c Only “Price Makers” can in crease their prices like Monopolies or Oligopolies.

  15. 2010 AP MICROECONOMICS FREE-RESPONSE QUESTIONS • 1. Assume that corn is produced in a perfectly competitive market. Farmer Roy is a typical producer of corn. • (a) Assume that Farmer Roy is making zero economic profit in the short run. Draw a correctly labeled side-by-side graph for the corn market and for Farmer Roy and show each of the following. • (i) The equilibrium price and quantity for the corn market, labeled as PM1 and QM1, respectively • (ii) The equilibrium quantity for Farmer Roy, labeled as QF1 • (b) For Farmer Roy’s corn, is the demand perfectly elastic, perfectly inelastic, relatively elastic, relatively inelastic, or unit elastic? Explain. • (c) Corn can be used as an input in the production of ethanol. The demand for ethanol has significantly increased. • (i) Show on your graph in part (a) the effect of the increase in demand for ethanol on the market price and quantity of corn in the short run, labeling the new equilibrium price and quantity as PM2 and QM2, respectively. • (ii) Show on your graph in part (a) the effect of the increase in demand for ethanol on Farmer Roy quantity of corn in the short run, labeling the quantity as QF2. • (iii) How does the average total cost for Farmer Roy at QF2 compare with PM2? • (d) Corn is also used as an input in the production of cereal. What is the effect of the increased demand for ethanol on the equilibrium price and quantity in the cereal market in the short run? Explain. ANSWER ON BOARD

  16. Real World Links • http://www.perfectcompetition.net/ • http://faculty.lebow.drexel.edu/McCainR//top/prin/txt/Comp/PC2.html

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