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Domain 3 MICROECONOMICS Georgia Standards of Excellence MICRO CONCEPT CLUSTER SSEMI1 SSEMI1 Describe how households and businesses are interdependent and interact through flows of goods, services, resources, and money. a. Illustrate a circular


  1. Disadvantages of Incorporation • Corporations are not without their disadvantages, including: Difficulty and Expense of Start-Up Corporate charters can be expensive and time consuming to establish. A state license, known as a certificate of incorporation, must be obtained. Double Taxation Corporations must pay taxes on their income. Owners also pay taxes on dividends, or the portion of the corporate profits paid to them. Loss of Control Managers and boards of directors, not owners, manage corporations. More Regulation Corporations face more regulations than other kinds of business organizations.

  2. Multinationals Advantages of MNCs Disadvantages of MNCs • Multinationals benefit • Some people feel that MNCs consumers by offering products unduly influence culture and worldwide. They also spread politics where they operate. new technologies and Critics of multinationals are production methods across the concerned about wages and globe. working conditions provided by MNCs in foreign countries. Multinational corporations (MNCs) are large corporations headquartered in one country that have subsidiaries throughout the world.

  3. Section 3 Assessment 1. All of the following are advantages of incorporation EXCEPT (a) the responsibility for the business is shared (b) capital is easier to raise than in other business forms (c) corporations face double taxation (d) corporations have more potential for growth 2. Disadvantages of corporations include which of the following? (a) Difficulty and Expense of Start-Up (b) Loss of Control (c) More Regulation (d) All of the Above

  4. Section 3 Assessment 1. All of the following are advantages of incorporation EXCEPT (a) the responsibility for the business is shared (b) capital is easier to raise than in other business forms (c) corporations face double taxation (d) corporations have more potential for growth 2. Disadvantages of corporations include which of the following? (a) Difficulty and Expense of Start-Up (b) Loss of Control (c) More Regulation (d) All of the Above

  5. Perfect Competition • What conditions must exist for perfect competition? • What are barriers to entry and how do they affect the marketplace? • What are prices and output like in a perfectly competitive market?

  6. The Four Conditions for Perfect Competition Perfect competition is a market structure in which a large number of firms all produce the same product. 1. Many Buyers and Sellers There are many participants on both the buying and selling sides. 2. Identical Products There are no differences between the products sold by different suppliers. 3. Informed Buyers and Sellers The market provides the buyer with full information about the product and its price. 4. Free Market Entry and Exit Firms can enter the market when they can make money and leave it when they can't.

  7. Barriers to Entry Factors that make it difficult for new firms to enter a market are called barriers to entry. Start-up Costs Technology • The expenses that a new • Some markets require a business must pay before high degree of the first product reaches technological know-how. the customer are called As a result, new start-up costs. entrepreneurs cannot easily enter these markets.

  8. Price and Output One of the primary characteristics of perfectly competitive markets is that they are efficient. In a perfectly competitive market, price and output reach their equilibrium levels. Market Equilibrium in Perfect Competition Supply Price Equilibrium Price Equilibrium Quantity Demand Quantity

  9. Section 1 Assessment 1. Which of the following is NOT a condition for perfect competition? (a) many buyers and sellers participate (b) identical products are offered (c) market barriers are in place (d) buyers and sellers are well-informed about goods and services 2. How does a perfect market influence output? (a) Each firm adjusts its output so that it just covers all of its costs. (b) Each firm makes its output as large as possible even though some goods are not sold. (c) Different firms make different amounts of goods, but some make a profit and others do not. (d) Different firms each strive to make more goods to capture more of the market.

  10. Section 1 Assessment 1. Which of the following is NOT a condition for perfect competition? (a) many buyers and sellers participate (b) identical products are offered (c) market barriers are in place (d) buyers and sellers are well-informed about goods and services 2. How does a perfect market influence output? (a) Each firm adjusts its output so that it just covers all of its costs. (b) Each firm makes its output as large as possible even though some goods are not sold. (c) Different firms make different amounts of goods, but some make a profit and others do not. (d) Different firms each strive to make more goods to capture more of the market.

  11. Section 1 Assessment 1. Which of the following is NOT a condition for perfect competition? (a) many buyers and sellers participate (b) identical products are offered (c) market barriers are in place (d) buyers and sellers are well-informed about goods and services 2. How does a perfect market influence output? (a) Each firm adjusts its output so that it just covers all of its costs. (b) Each firm makes its output as large as possible even though some goods are not sold. (c) Different firms make different amounts of goods, but some make a profit and others do not. (d) Different firms each strive to make more goods to capture more of the market.

  12. Monopoly • How do economists define the word monopoly? • How are monopolies formed? • What is price discrimination? • How do firms with monopoly set output?

  13. Defining Monopoly • A monopoly is a market dominated by a single seller. • Monopolies form when barriers prevent firms from entering a market that has a single supplier. • Monopolies can take advantage of their monopoly power and charge high prices.

  14. Forming a Monopoly Different market conditions can create different types of monopolies. 1. Economies of Scale If a firm's start-up costs are high, and its average costs fall for each additional unit it produces, then it enjoys what economists call economies of scale. An industry that enjoys economies of scale can easily become a natural monopoly. 2. Natural Monopolies A natural monopoly is a market that runs most efficiently when one large firm provides all of the output. 3. Technology and Change Sometimes the development of a new technology can destroy a natural monopoly.

  15. Government Monopolies A government monopoly is a monopoly created by the government. • Technological Monopolies • The government grants patents, licenses that give the inventor of a new product the exclusive right to sell it for a certain period of time. • Franchises and Licenses • A franchise is a contract that gives a single firm the right to sell its goods within an exclusive market. A license is a government-issued right to operate a business. • Industrial Organizations • In rare cases, such as sports leagues, the government allows companies in an industry to restrict the number of firms in the market.

  16. Price Discrimination Price discrimination is the division of customers into groups based on how much they will pay for a good. • Although price • Targeted discounts, like discrimination is a feature student discounts and of monopoly, it can be manufacturers ’ rebate practiced by any company offers, are one form of with market power. price discrimination. Market power is the • Price discrimination ability to control prices requires some market and total market output. power, distinct customer groups, and difficult resale.

  17. Output Decisions • Even a monopolist faces a limited A monopolist sets output at a point where marginal revenue is choice – it can choose to set either equal to marginal cost. output or price, but not both. Setting a Price in a Monopoly • Monopolists will try to maximize Market profits; therefore, compared with a Marginal Price $11 B Cost perfectly competitive market, the C monopolist produces fewer goods Price Demand at a higher price. $3 A 9,000 Output Marginal (in doses) Revenue

  18. Monopolistic Competition and Oligopoly • How does monopolistic competition compare to a monopoly and to perfect competition? • How can firms compete without lowering prices? • How do firms in a monopolistically competitive market set output? • What is an oligopoly?

  19. Four Conditions of Monopolistic Competition In monopolistic competition, many companies compete in an open market to sell products which are similar, but not identical. 1. Many Firms 3. Slight Control over Price As a rule, monopolistically Firms in a monopolistically competitive markets are not competitive market have some marked by economies of freedom to raise prices because scale or high start-up costs, each firm's goods are a little allowing more firms. different from everyone else's. 2. Few Artificial Barriers to 4. Differentiated Products Firms have some control over Entry Firms in a monopolistically their selling price because they competitive market do not can differentiate, or distinguish, face high barriers to entry. their goods from other products in the market.

  20. Nonprice Competition Nonprice competition is a way to attract customers through style, service, or location, but not a lower price. 1. Characteristics of Goods 3. Service Level The simplest way for a firm to Some sellers can charge higher distinguish its products is to prices because they offer offer a new size, color, customers a higher level of shape, texture, or taste. service. 2. Location of Sale 4. Advertising Image A convenience store in the Firms also use advertising to middle of the desert create apparent differences differentiates its product between their own offerings and simply by selling it hundreds other products in the of miles away from the marketplace. nearest competitor.

  21. Prices, Profits, and Output • Prices • Prices will be higher than they would be in perfect competition, because firms have a small amount of power to raise prices. • Profits • While monopolistically competitive firms can earn profits in the short run, they have to work hard to keep their product distinct enough to stay ahead of their rivals. • Costs and Variety • Monopolistically competitive firms cannot produce at the lowest average price due to the number of firms in the market. They do, however, offer a wide array of goods and services to consumers.

  22. Oligopoly Oligopoly describes a market dominated by a few large, profitable firms. Collusion Cartels • Collusion is an agreement • A cartel is an association by among members of an producers established to oligopoly to set prices and coordinate prices and production levels. Price- fixing production. is an agreement among firms to sell at the same or similar prices.

  23. Comparison of Market Structures • Markets can be grouped into four basic structures: perfect competition, monopolistic competition, oligopoly, and monopoly Comparison of Market Structures Perfect Monopolistic Oligopoly Monopoly Competition Competition Many Many Two to four dominate One Number of firms None Some Some None Variety of goods None Little Some Complete Control over prices None Low High Complete Barriers to entry and exit Wheat, Jeans, Cars, Public water Examples shares of stock books movie studios

  24. Section 3 Assessment 1.The differences between perfect competition and monopolistic competition arise because (a) in perfect competition the prices are set by the government. (b) in perfect competition the buyer is free to buy from any seller he or she chooses. (c) in monopolistic competition there are fewer sellers and more buyers. (d) in monopolistic competition competitive firms sell goods that are similar enough to be substituted for one another. 2.An oligopoly is (a) an agreement among firms to charge one price for the same good. (b) a formal organization of producers that agree to coordinate price and output. (c) a way to attract customers without lowering price. (d) a market structure in which a few large firms dominate a market.

  25. Section 3 Assessment 1.The differences between perfect competition and monopolistic competition arise because (a) in perfect competition the prices are set by the government. (b) in perfect competition the buyer is free to buy from any seller he or she chooses. (c) in monopolistic competition there are fewer sellers and more buyers. (d) in monopolistic competition competitive firms sell goods that are similar enough to be substituted for one another. 2.An oligopoly is (a) an agreement among firms to charge one price for the same good. (b) a formal organization of producers that agree to coordinate price and output. (c) a way to attract customers without lowering price. (d) a market structure in which a few large firms dominate a market.

  26. Regulation and Deregulation • How do firms use market power? • What market practices does the government regulate or ban to protect competition? • What is deregulation?

  27. Market Power Market power is the ability of a company to control prices and output. • Markets dominated by a • To control prices and few large firms tend to output like a monopoly, have higher prices and firms sometimes use lower output than predatory pricing. markets with many Predatory pricing sets the sellers. market price below cost levels for the short term to drive out competitors.

  28. Government and Competition Government policies keep firms from controlling the prices and supply of important goods. Antitrust laws are laws that encourage competition in the marketplace. 1. Regulating Business 3. Blocking Mergers Practices A merger is a combination of The government has the two or more companies into a power to regulate business single firm. The government practices if these practices can block mergers that would give too much power to a decrease competition. company that already has 4. Preserving Incentives few competitors. In 1997, new guidelines were 2. Breaking Up Monopolies introduced for proposed The government has used mergers, giving companies an anti-trust legislation to break opportunity to show that their up existing monopolies, such merging benefits consumers. as the Standard Oil Trust and AT&T.

  29. Deregulation Deregulation is the removal of some government controls over a market. • Deregulation is used to promote competition. • Many new competitors enter a market that has been deregulated. This is followed by an economically healthy weeding out of some firms from that market, which can be hard on workers in the short term.

  30. Section 4 Assessment 1. Antitrust laws allow the U.S. government to do all of the following EXCEPT (a) regulate business practices (b) stop firms from forming monopolies (c) prevent firms from selling new experimental products (d) break up existing monopolies 2. The purpose of both deregulation and antitrust laws is to (a) promote competition (b) promote government control (c) promote inefficient commerce (d) prevent monopolies

  31. Section 4 Assessment 1. Antitrust laws allow the U.S. government to do all of the following EXCEPT (a) regulate business practices (b) stop firms from forming monopolies (c) prevent firms from selling new experimental products (d) break up existing monopolies 2. The purpose of both deregulation and antitrust laws is to (a) promote competition (b) promote government control (c) promote inefficient commerce (d) prevent monopolies

  32. What are your questions?

  33. Georgia Standards of Excellence MICRO CONCEPT CLUSTER SSEMI2 Explain how the law of demand, the law of supply and prices work to determine production and distribution in a market economy. • Law of demand • Law of supply • Prices • Profit • Production • Distribution • Equilibrium • Incentives

  34. Indiana Jones – Demand and Supply https://youtu.be/RP0j3Lnlazs

  35. Understanding Demand • What is the law of demand? • How do the substitution effect and income effect influence decisions? • What is a demand schedule? • What is a demand curve?

  36. What Is the Law of Demand? The law of demand states that consumers buy more of a good when its price decreases and less when its price increases. • The law of demand is the result of two separate behavior patterns that overlap, the substitution effect and the income effect. • These two effects describe different ways that a consumer can change his or her spending patterns for other goods.

  37. The Substitution Effect and Income Effect The Substitution Effect The Income Effect • The substitution effect • The income effect happens occurs when consumers when a person changes his react to an increase in a or her consumption of good’s price by goods and services as a consuming less of that result of a change in real good and more of other income. goods.

  38. The Demand Schedule • A demand schedule is a table that lists • A market demand schedule is a table the quantity of a good a person will that lists the quantity of a good all buy at each different price. consumers in a market will buy at each different price. Demand Schedules Individual Demand Schedule Market Demand Schedule Price of a Quantity demanded Price of a Quantity demanded slice of pizza per day slice of pizza per day $.50 5 $.50 300 $1.00 4 $1.00 250 $1.50 3 $1.50 200 $2.00 2 $2.00 150 $2.50 1 $2.50 100 $3.00 0 $3.00 50

  39. The Demand Curve • A demand curve is a Market Demand Curve graphical representation of a 3.00 Price per slice (in dollars) demand schedule. 2.50 • When reading a 2.00 demand curve, 1.50 assume all outside 1.00 factors, such as Demand .50 income, are held 0 0 50 100 150 200 250 300 350 constant. Slices of pizza per day

  40. Law of Demand Section Assessment 1. The law of demand states that (a) consumers will buy more when a price increases. (b) price will not influence demand. (c) consumers will buy less when a price decreases. (d) consumers will buy more when a price decreases. 2. If the price of a good rises and income stays the same, what is the effect on demand? (a) the prices of other goods drop (b) fewer goods are bought (c) more goods are bought (d) demand stays the same

  41. Law of Demand Section Assessment 1. The law of demand states that (a) consumers will buy more when a price increases. (b) price will not influence demand. (c) consumers will buy less when a price decreases. (d) consumers will buy more when a price decreases. 2. If the price of a good rises and income stays the same, what is the effect on demand? (a) the prices of other goods drop (b) fewer goods are bought (c) more goods are bought (d) demand stays the same

  42. The Law of Supply • According to the law of supply, suppliers will offer more of a good at a higher price. Price Supply As price Quantity increases… supplied increases Price Supply As price falls… Quantity supplied falls

  43. How Does the Law of Supply Work? • Economists use the term quantity supplied to describe how much of a good is offered for sale at a specific price. • The promise of increased revenues when prices are high encourages firms to produce more. • Rising prices draw new firms into a market and add to the quantity supplied of a good.

  44. Supply Schedules • A market supply schedule is a chart that lists how much of a good all suppliers will offer at different prices. Market Supply Schedule Price per slice of pizza Slices supplied per day $.50 1,000 $1.00 1,500 $1.50 2,000 $2.00 2,500 $2.50 3,000

  45. Supply Curves Market Supply Curve • A market supply curve is a graph of 3.00 Supply the quantity 2.50 Price (in dollars) supplied of a good 2.00 1.50 by all suppliers at 1.00 different prices. .50 0 0 500 1000 1500 2000 2500 3000 3500 Output (slices per day)

  46. Law of Supply Section Assessment 1. What is the law of supply? (a) the lower the price, the larger the quantity supplied (b) the higher the price, the larger the quantity supplied (c) the higher the price, the smaller the quantity supplied (d) the lower the price, the more manufacturers will produce the good 2. The promise of increased revenues when prices are high encourages firms to produce… (a) less goods. (b) more goods. (c) the same quantity of goods. (d) different types of goods.

  47. Law of Supply Section Assessment 1. What is the law of supply? (a) the lower the price, the larger the quantity supplied (b) the higher the price, the larger the quantity supplied (c) the higher the price, the smaller the quantity supplied (d) the lower the price, the more manufacturers will produce the good 2. The promise of increased revenues when prices are high encourages firms to produce… (a) less goods. (b) more goods. (c) the same quantity of goods. (d) different types of goods.

  48. Demand & Supply Curves Positive Relationship Inverse Relationship

  49. https://youtu.be/g9aDizJpd_s?list=PL8dPuuaLjXtPNZwz5_o_5 uirJ8gQXnhEO

  50. Combining Supply and Demand • How do supply and demand create balance in the marketplace? • What are differences between a market in equilibrium and a market in disequilibrium? • What are the effects of price ceilings and price floors?

  51. Balancing the Market The point at which quantity demanded and quantity supplied come together is known as equilibrium. Finding Equilibrium Equilibrium Point Combined Supply and Demand Schedule $3.50 Price of $3.00 Quantity Quantity a slice Result demanded supplied of pizza $2.50 Price per slice $ .50 300 100 Shortage from $2.00 excess demand a Equilibrium $1.00 250 150 $1.50 Price Equilibrium $1.50 200 200 Equilibrium $1.00 Quantity $.50 $2.00 150 250 Supply Demand Surplus from $2.50 100 300 excess supply 0 50 100 150 200 250 300 350 350 $3.00 50 Slices of pizza per day

  52. Market Disequilibrium If the market price or quantity supplied is anywhere but at the equilibrium price, the market is in a state called disequilibrium. There are two causes for disequilibrium: Excess Demand Excess Supply • Excess demand occurs when • Excess supply occurs when quantity demanded is more quantity supplied exceeds than quantity supplied. quantity demanded. Interactions between buyers and sellers will always push the market back towards equilibrium.

  53. Price Ceilings In some cases the government steps in to control prices. These interventions appear as price ceilings and price floors. • A price ceiling is a maximum price that can be legally charged for a good. • An example of a price ceiling is rent control, a situation where a government sets a maximum amount that can be charged for rent in an area. • Price Ceilings result in a SHORTAGE.

  54. Price Floors • A price floor is a minimum price, set by the government, that must be paid for a good or service. • One well-known price floor is the minimum wage, which sets a minimum price that an employer can pay a worker for an hour of labor. • Price Floors result in a SURPLUS

  55. https://www.dol.gov/whd/minwage/america.htm Minimum Wage Laws in the States

  56. Equilibrium Section Assessment 1. Equilibrium in a market means which of the following? (a) the point at which quantity supplied and quantity demanded are the same (b) the point at which unsold goods begin to pile up (c) the point at which suppliers begin to reduce prices (d) the point at which prices fall below the cost of production 2. The government’s price floor on low wages is called the (a) market equilibrium (b) base wage rate (c) minimum wage (d) employment guarantee

  57. Equilibrium Section Assessment 1. Equilibrium in a market means which of the following? (a) the point at which quantity supplied and quantity demanded are the same (b) the point at which unsold goods begin to pile up (c) the point at which suppliers begin to reduce prices (d) the point at which prices fall below the cost of production 2. The government’s price floor on low wages is called the (a) market equilibrium (b) base wage rate (c) minimum wage (d) employment guarantee

  58. Shifts of the Demand Curve • What is the difference between a change in quantity demanded and a shift in the demand curve? • What factors can cause shifts in the demand curve? • How does the change in the price of one good affect the demand for a related good?

  59. Shifts in Demand • Ceteris paribus is a Latin phrase economists use meaning “all other things held constant.” • A demand curve is accurate only as long as the ceteris paribus assumption is true. • When the ceteris paribus assumption is dropped, movement no longer occurs along the demand curve. Rather, the entire demand curve shifts.

  60. What Causes a Shift in Demand? • Several factors can lead to a change in demand: 1. Income Changes in consumers incomes affect demand. A normal good is a good that consumers demand more of when their incomes increase. An inferior good is a good that consumers demand less of when their income increases. 2. Consumer Expectations Whether or not we expect a good to increase or decrease in price in the future greatly affects our demand for that good today. 3. Population Changes in the size of the population also affects the demand for most products. 4. Consumer Tastes and Advertising Advertising plays an important role in many trends and therefore influences demand.

  61. Shift in Demand • Change in Demand due to one of the Determinants of Demand (absent of a price change) • Demand is the whole curve. Quantity Demanded is one point on the curve at a particular Price.

  62. Prices of Related Goods The demand curve for one good can be affected by a change in the demand for another good. • Complements are • Substitutes are two goods that are goods used in place bought and used of one another. together. Example: Example: skis and skis and ski boots snowboards

  63. Shifts in Demand Section Assessment 1. Which of the following does not cause a shift of an entire demand curve? (a) a change in price (b) a change in income (c) a change in consumer expectations (d) a change in the size of the population 2. Which of the following statements is accurate? (a) When two goods are complementary, increased demand for one will cause decreased demand for the other. (b) When two goods are complementary, increased demand for one will cause increased demand for the other. (c) If two goods are substitutes, increased demand for one will cause increased demand for the other. (d) A drop in the price of one good will cause increased demand for its substitute.

  64. Shifts in Demand Section Assessment 1. Which of the following does not cause a shift of an entire demand curve? (a) a change in price (b) a change in income (c) a change in consumer expectations (d) a change in the size of the population 2. Which of the following statements is accurate? (a) When two goods are complementary, increased demand for one will cause decreased demand for the other. (b) When two goods are complementary, increased demand for one will cause increased demand for the other. (c) If two goods are substitutes, increased demand for one will cause increased demand for the other. (d) A drop in the price of one good will cause increased demand for its substitute.

  65. Changes in Supply • How do input costs affect supply? • How can the government affect the supply of a good? • What other factors can influence supply?

  66. Input Costs and Supply • Any change in the cost of an input such as the raw materials, machinery, or labor used to produce a good, will affect supply. • As input costs increase, the firm’s marginal costs also increase, decreasing profitability and supply. • Input costs can also decrease. New technology can greatly decrease costs and increase supply.

  67. Government Influences on Supply • By raising or lowering the cost of producing goods, the government can encourage or discourage an entrepreneur or industry. Subsidies A subsidy is a government payment that supports a business or market. Subsidies cause the supply of a good to increase. Taxes The government can reduce the supply of some goods by placing an excise tax on them. An excise tax is a tax on the production or sale of a good. Regulation Regulation occurs when the government steps into a market to affect the price, quantity, or quality of a good. Regulation usually raises costs.

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