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Unit 5: The Resource Market

Unit 5: The Resource Market. (aka: The Factor Market or Input Market). Unit 5: The Resource Market. Length: 2 weeks Chapters: 27 and 28 Good News: Only one Graph to learn Application of things we have already learned. Basically just Supply and Demand. Product Market. Producers Supply

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Unit 5: The Resource Market

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  1. Unit 5: The Resource Market (aka: The Factor Market or Input Market)

  2. Unit 5: The Resource Market Length: 2 weeks Chapters: 27 and 28 Good News: • Only one Graph to learn • Application of things we have already learned. • Basically just Supply and Demand

  3. Product Market Producers Supply Households Demand

  4. Resource Market Producers Demand Households Supply

  5. Resource Markets Perfect Competition Monopsony Perfectly Competitive Labor Market Characteristics: • Many small firms are hiring workers • No one firm is large enough to manipulate the market. • Many workers with identical skills • Wage is constant • Workers are wage takers • Firms can hire as many workers as they want at a wage set by the industry 5

  6. Perfectly Competitive Labor Market and Firm SL Wage Wage ? $10 DL Q Q 5000 Firm Industry

  7. Resource Demand Example 1: If there was a significant increase in the demand for pizza, how would this affect the demand for cheese? Cows? Milking Machines? Veterinarians? Vet Schools? Etc. Example 2: An increase in the demand for cars increases the demand for… Derived Demand- The demand for resources is determined (derived) by the products they help produce. 7

  8. Push-Up Machine

  9. The Push-Up Machine • I am the inventor of a new generator that converts human push ups into safe and clean electrical energy. • Each push up generates $1 worth of energy. • Supply and demand in the labor market has resulted in a equilibrium wage of $10 (MRC = $10). • The supply curve for the firm is perfectly elastic at $10…how much will you work for? • Assuming identical skills, hire the first worker (do push ups in a 4ft x 7ft box). • Let’s start hiring workers (Each worker must make sound effects)

  10. Change in Total Cost Marginal Resource Cost = Change in Inputs Marginal Resource Cost (MRC) The additional cost of an additional resource (worker). In perfectly competitive labor markets the MRC equals the wage set by the market and is constant. Ex: The MRC of an unskilled worker is $10. Another way to calculate MRC is:

  11. Change in Total Revenue Marginal Revenue Product = Change in Inputs Marginal Revenue Product The additional revenue generated by an additional worker (resource). In perfectly competitive resource markets the MRP equals the marginal product of the resource times the price of the product. Ex: If the Marginal Product of the 3rd worker is 5 and the price of the good is constant at $20 the MRP is……. $100 Another way to calculate MRP is:

  12. The Push-Up Machine Calculate MP and MRP

  13. The Push-Up Machine Supply • Supply and demand in the INDUSTRY GRAPH has resulted in a equilibrium wage of $10. • How much MUST each worker work for? • Why not ask for more? Why not less? Demand • If each push up generates $1 worth of energy what is the MRP for each worker? • How much is each worker worth to the firm?

  14. The Push-Up Machine Why does the MRP eventually fall? • Diminishing Marginal Returns. • Fixed resources means each worker will eventually add less than the previous workers. The MRP determines the demand for labor • The firm is willing and able to pay each worker up to the amount they generate. • Each worker is worth the amount of money they generate for the firm.

  15. How do you know how many resources (workers) to employ? Continue to hire until… MRP = MRC

  16. Perfectly Competitive Labor Market and Firm SL Wage Wage ? WE DL Q Q QE Industry Firm

  17. Side-by-side graph showing Market and Firm SL Wage Wage SL=MRC WE DL=MRP DL Q Qe Q QE Industry Firm

  18. Industry Graph 18

  19. DEMAND RE-DEFINED What is Demand for Labor? Demand is the different quantities of workers that businesses are willing and able to hire at different wages. What is the Law of Demand for Labor? There is an INVERSE relationship between wage and quantity of labor demanded. What is Supply for Labor? Supply is the different quantities of individuals that are willing and able to sell their labor at different wages. What is the Law of Supply for Labor? There is a DIRECT (or positive) relationship between wage and quantity of labor supplied. Workers have trade-off between work and leisure 19

  20. Where do you get the Market Demand? McDonalds Burger King Other Firms Market P P P P $8 $8 $8 $8 D D D D Q Q Q Q 3 2 25 30

  21. Who demands labor? • FIRMS demand labor. • Demand for labor shows the quantities of workers that firms will hire at different wage rates. • Market Demand for Labor is the sum of each firm’s MRP. • As wage falls, Qd increases. • As wage increases, Qd falls. Wage DL Quantity of Workers 21

  22. Who supplies labor? • Individuals supply labor. • Supply of labor is the number of workers that are willing to work at different wage rates. • Higher wages give workers incentives to leave other industries or give up leisure activities. Labor Supply Wage • As wage increases, Qs increases. • As wage decreases, Qs decreases. Quantity of Workers 22

  23. Equilibrium Wage (the price of labor) is set by the market. EX: Supply and Demand for Carpenters Wage Labor Supply $30hr Labor Demand = MRP Quantity of Workers 23

  24. Individual Firms Wage SL=MRC DL=MRP Qe Q 24

  25. Example: • You hire workers to mow lawns. The wage for each worker is set at $100 a day. • Each lawn mowed earns your firm $50. • If you hire one worker, he can mow 4 laws per day. • If you hire two workers, they can mow 5 lawns per day together. • What is the MRC for each worker? • What is the first worker’s MRP? • What is the second worker’s MRP? • How many workers will you hire? • How much are you willing to pay the first worker? • How much will you actually pay the first worker? • What must happen to the wage in the market for you to hire the second worker? 25

  26. You’re the Boss • You and your partner own a business. • Assume that you are selling the goods in a perfectly competitive PRODUCT market so the price is constant at $10. • Assume that you are hiring workers in a perfectly competitive RESOURCE market so the wage is constant at $20. • Also assume the wage is the ONLY cost. To maximize profit how many workers should you hire? 26

  27. Use the following data: Price = $10 Wage = $20 Total Product (Output) Workers 0 1 2 3 4 5 6 7 0 7 17 24 27 29 30 27 *Hint* How much is each worker worth? 27

  28. Use the following data: Price = $10 Wage = $20 Total Product (Output) Units of Labor 0 1 2 3 4 5 6 7 0 7 17 24 27 29 30 27 • What is happening to Total Product? • Why does this occur? • Where are the three stages? 28

  29. Use the following data: Price = $10 Wage = $20 Total Product (Output) Marginal Product (MP) Units of Labor - 7 10 7 3 2 1 -3 0 1 2 3 4 5 6 7 0 7 17 24 27 29 30 27 This shows the PRODUCTIVITY of each worker. Why does productivity decrease? 29

  30. Use the following data: Price = $10 Wage = $20 Total Product (Output) Marginal Product (MP) Units of Labor Product Price - 7 10 7 3 2 1 -3 0 10 10 10 10 10 10 10 0 1 2 3 4 5 6 7 0 7 17 24 27 29 30 27 Price constant because we are in a perfectly competitive market. 30

  31. Use the following data: Price = $10 Wage = $20 Total Product (Output) Marginal Revenue Product Marginal Product (MP) Units of Labor Product Price - 7 10 7 3 2 1 -3 0 10 10 10 10 10 10 10 0 1 2 3 4 5 6 7 0 7 17 24 27 29 30 27 0 70 100 70 30 20 10 -30 This shows how much each worker is worth 31

  32. Use the following data: Price = $10 Wage = $20 Total Product (Output) Marginal Revenue Product Marginal Resource Cost Marginal Product (MP) Units of Labor Product Price - 7 10 7 3 2 1 -3 0 10 10 10 10 10 10 10 0 1 2 3 4 5 6 7 0 7 17 24 27 29 30 27 0 70 100 70 30 20 10 -30 0 20 20 20 20 20 20 20 How many workers should you hire? 32

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