Scarcity the Science of Economics Modules 1 3
- Slides: 41
Scarcity & the Science of Economics Modules 1 -3 u. Do we ever have enough? u. List some things that are free:
1. Air (ok, I tried)
Air in Beijing, China
2. Sunshine
Psuedo free: Trash (in Brazil)
Psuedo Free: Free Intellectual Property from Internet
I. TINSTAAFL: There is no such thing as a free lunch. Someone always has to pay. A) The Fundamental Economic Problem: Scarcity. B) Scarcity Exists because: societies do not have the resources to produce all the things people want.
II. Factors of Production or Economic Resources a) Land b) Labor c) Capital d) Entrepreneurs
Land, Labor, Capital, & Entrepreneurs
III. Three Basic Economic Questions: - To provide for people’s needs, societies need to make a choice about how to use its limited resources and must answer the following questions A) B) C. What to produce? How to produce? For whom to produce? IV. The Big Question: What does economics mean? - Economics is the study of how societies attempt to satisfy seemingly unlimited human wants through careful use of relatively scarce resources
V. What is Macroeconomics: -It deals with the economy as a whole, with basic subdivisions such as the government, households, and business sectors of the economy. Macro- economics deals with “the forest, not the trees. ”
u Full Employment: 1. Of People = 5% unemployment
Full Employment of P & E =85% 2.
VII: Productive Efficiency: - When products are being produced in the least costly way.
Industrial Robots
VIII: Allocative Efficiency: Resources are being used to produce that combination of goods and services societies want most.
PC vs. Typewriter
IX: Full Production: - Producing the “right goods” (allocative efficiency) in the (productive efficiency) “right way. ”
I. Resource Utilization & the PPC What is the Production Possibilities Curve? - It is an economic model of choices II. Assumptions of the PPC: a) Efficiency – the eco. is operating at full employment & full production b) Resources are fixed in quantity & quality c) Technology is fixed d) The economy only produces two products.
Guns and butter
A Sample PPC ● z
III. Productive Efficiency & the PPC: A. To be on the curve, a society must achieve both productive & allocative effciency. B. Points inside the curve are attainable, but represent economic inefficiency and unemployment. C. Points outside the curve are not attainable or only temporarily attainable (WWII).
IV. Law of Increasing Opportunity Costs: A. What is the economic reason for the law of Increasing Opportunity costs? Factor Suitability. V. Allocative Efficiency & the PPC: A. Marginal Output. B. Marginal Benefit C. Utility D. Marginal Cost
The most optimal point on the curve below is where the marginal benefit = the marginal cost. Bean & Cheese Tacos MC $10 Price 5 2 MB 3 1 2 Quantity (100, 000’s)
The 3 Economic Systems: I. Traditional Economy: Economic activity based on ritual, habit, & custom. a. Strengths: 1. everyone knows their role & life is stable & predictable 2. Little uncertainty over the what, how, & for whom questions b. Weaknesses: 1. discourages new ideas 2. lack of progress leads to lower standard of living.
Amazon Shaman
Tanzanian Men with Face Paint
Quechuan Woman
Tanzanian Men
Face Painting – Papua New Guinea
II. Command Economy: - Central authority makes most economic decisions. a. Strengths: 1. Can change direction drastically in short time. B. Weaknesses: 1. Not designed to meet needs & wants of individuals. 2. large bureaucracy for economic planning 3. Not flexible in dealing with everyday issues 4. Stifles new ideas
Former USSR
Soviet Peasants on Collective Farm
III. Market Economy: - People & firms act in own best interest to answer economic questions A. Strengths: 1. Markets can adjust over time 2. Relatively small government interference 3. decentralized decision making 4. High variety/quality of products 5. High consumer satisfaction
B. Weaknesses: 1. Main one is deciding for whom to produce 2. The young, sick, & old have difficult time in pure market system. 3. Markets sometimes fail - Competition (or lack thereof) - resource mobility - availability of information
USA – Market Economy
U. S. Businessman
Trading floor of NYSE
Outside the NYSE
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