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1 1.Structure of Economics 2 Chapter 1 : main menu 1.1Understanding economicsProgress Checkpoint 1 1.2Opportunity cost Concept Explorer 1.1 Theory in.

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Presentation on theme: "1 1.Structure of Economics 2 Chapter 1 : main menu 1.1Understanding economicsProgress Checkpoint 1 1.2Opportunity cost Concept Explorer 1.1 Theory in."— Presentation transcript:

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2 1 1.Structure of Economics

3 2 Chapter 1 : main menu 1.1Understanding economicsProgress Checkpoint 1 1.2Opportunity cost Concept Explorer 1.1 Theory in Life 1.1 Concept Explorer 1.2 Progress Checkpoint 2 1.3Goods Theory in Life 1.2 Concept Explorer 1.3 Progress Checkpoint 3 1.5Circular flow of economic activitiesProgress Checkpoint 4

4 3 Progress Checkpoint 1 Q.An economics student says, When a choice is made, the problem of scarcity is solved. Do you agree?

5 4 Progress Checkpoint 1 No. We have to make choices because of the problem of scarcity. Making choices does not solve the problem of scarcity, but partly satisfies human wants. As long as resources are insufficient to satisfy all human wants, scarcity still exists, and we still have to make choices.

6 5 Concept Explorer 1.1 Sam owns a taxi worth $1,500,000. He can : 1.drive the taxi himself and earn an annual income of $200,000, or 2.sell the taxi and put the money in a bank to earn interest at 10% p.a., or 3.rent out the taxi and earn a monthly rental of $12,000. Are the opportunity costs of driving the taxi by himself and renting out the taxi the same?

7 6 2.selling the taxi and putting the money in a bank = = Concept Explorer 1.1 The income of : 1.driving the taxi by himself = If he chooses the cost is : cost of driving the taxi by himself cost of renting out the taxi < $200,000 a year $1,500,000 x 10% $150,000 a year $144,000 a year $12,000 x 12 3.renting out the taxi = =

8 7 Theory in Life 1.1 Mrs. Chan is an engineer. Although she can do housework very well, she chooses not to be a full-time housewife but employs a Filipino maid. How can we apply the concept of opportunity cost to explain her decision?

9 8 Theory in Life 1.1 If Mrs. Chan employs the Filipino maid, the cost involved is the payment to the maid. If she does the housework herself, the cost is the forgone income from being an engineer. < To maximize / minimize cost

10 9 Concept Explorer 1.2 Simon wants to watch a two-hour movie. The ticket price is $60. Alternatively, he can spend the two hours on being a private tutor and earn $100 per hour, or being a part-time salesman and earn a total of $180. What are the opportunity costs of (a) buying the movie ticket, and (b) watching the movie?

11 10 The cost of spending the two hours on watching the movie = the $ forgone income from being a private tutor / part-time salesman. Concept Explorer 1.2 Cost of buying the movie ticket = $ If two hours spent on watching the movie, he can alternatively earn $ from being a private tutor or earn $ from being a part-time salesman. Cost of watching the movie = $60 + $200 = $

12 11 Progress Checkpoint 2 Carmen is given a coupon from a department store. The coupon entitles her to obtain goods worth $500 in the store. What is her opportunity cost of using the coupon if it is (a)non-transferable, and (b)transferable? Cost = 0 Cost = $500

13 12 Theory in Life 1.2 Free rice Free shampoo Free tissue Free bus service Free tutorial classes Free snacks Quantity available sufficient to satisfy all wants? Opportunity cost involved in production?

14 13

15 14 Concept Explorer 1.3 Q.Student X : Ice is a scarce good. Student Y : Ice is a free good. Under what condition(s) will both students be correct? A.In Hong Kong, the quantity of ice available is insufficient to satisfy all wants. More of ice is preferred, and people are willing to pay a price to obtain ice. Since opportunity cost is involved in producing ice, it is a scarce good in Hong Kong. In South Pole, the quantity of ice available is sufficient to satisfy all wants. More of ice is not preferred, and people are not willing to pay a price to obtain ice. Since no cost is involved in producing ice, it is a free good in South Pole.

16 15 Progress Checkpoint 3 Classify the following into consumer or capital good. (a)A refrigerator in a fast food shop (b)A refrigerator at home (c)An aircraft owned by Cathay Pacific (d)An aircraft owned privately by Mr. Wong who uses it only on holidays for fun Consumer good Capital good

17 16 Progress Checkpoint 4 Refer to the following diagram. For Flows A to E below, (a)name each of the flows, (b)classify each into real or money flow, and (c)determine whether it passes through the product or factor market.

18 17 Progress Checkpoint 4 market goods & services E AB DC market FirmsHouseholds E goods & services

19 18 Progress Checkpoint 4 Flow AFlow BFlow CFlow DFlow E (a) Name (b) Flow (c) Market

20 19 Progress Checkpoint 4 Flow AFlow BFlow CFlow DFlow E (a) Name factor cost factor income expendi ture revenue factor service (b) Flowmoney real (c) Marketfactor product factor

21 20 End of Chapter 1


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