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Ten Principles of Economics

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1 Ten Principles of Economics
Essential Question: How do societies resolve the problem of scarcity?

2 Economics Economy is Greek for “one who manages a household.”
The fundamental problem is scarcity. Economics is how society manages scarce resources

3 What decisions does your household have to make on a daily basis?
Who will work? What goods and how many of them should be produced? What resources should be used in production? At what price should the goods be sold?

4 With a partner… You want to start a business
What do you need… um, I mean want to start producing goods and services?

5 The Four Factors of Production
Are these things scarce? Land aka natural resources Labor – people and workers Capital – tools, equipment, machinery, factories, and financial capital (money)… goods used to make more goods Entrepreneurs – risk takers in search of profits

6 Ten Principles How people make decisions 1-4 How people interact 5-7
How the economy works as a whole 8-10

7 Principle 1: People face trade-offs
What are you giving up by being here at school? To get one thing, we usually have to give up another thing Guns v. butter Food v. clothing Leisure time v. work Efficiency v. equity Efficiency v. Equity Efficiency means society gets the most that it can from its scarce resources. Equity means the benefits of those resources are distributed fairly among the members of society. With an elbow partner, analyze how the United States does in managing trade-offs between efficiency and equity. Come up with a couple of examples

8 Something to think about…

9 Principle #2: The Cost of Something Is What You Give Up to Get It.
Decisions require comparing costs and benefits of alternatives. Whether to go to college or to work? Whether to study or go out on a date? Whether to go to class or sleep in? The opportunity cost of an item is the value of the next best alternative of what you give up to obtain that item.

10 Why doesn’t Chipper Jones Mow his own lawn? He is really good at it!

11 Principle #2: The Cost of Something Is What You Give Up to Get It.
Basketball star LeBron James understands opportunity costs and incentives. He chose to skip college and go straight from high school to the pros where he earns millions of dollars.

12 Production Possibilities Frontier

13 Summary Summarize the first two principles using your own words!

14 Cost-Benefit Analysis
Margin—the weighing of additional costs and additional benefits WHO WOULD BEND DOWN TO PICK UP A PENNY? How about this many? What about this?

15 WHY? Because of Principle #4: People Respond to Incentives
Marginal Benefit is at least = to Marginal Cost People are maximizers!



18 Is this person’s decision rational?

19 Principle #5: Trade Can Make Everyone Better Off.
People gain from their ability to trade with one another. Competition results in gains from trading. Trade allows people to specialize in what they do best.

20 Principle #6: Markets Are Usually a Good Way to Organize Economic Activity.
A market economy is an economy that allocates resources through the decentralized decisions of many firms and households as they interact in markets for goods and services. Households decide what to buy and who to work for. Firms decide who to hire and what to produce.

21 Summary Use the following words in ONE sentence (that makes sense)!
Rational Margin Market economy

22 Principle #6: Markets Are Usually a Good Way to Organize Economic Activity.
Adam Smith made the observation that households and firms interacting in markets act as if guided by an “invisible hand.”

23 Principle #7: Governments Can Sometimes Improve Market Outcomes.
Markets work only if property rights are enforced. Property rights are the ability of an individual to own and exercise control over a scarce resource Market failure occurs when the market fails to allocate resources efficiently. When the market fails (breaks down) government can intervene to promote efficiency and equity.

24 Principle #7: Governments Can Sometimes Improve Market Outcomes
Market failure may be caused by: an externality, which is the impact of one person or firm’s actions on the well-being of a bystander. What are some examples? market power, which is the ability of a single person or firm to unduly influence market prices.

25 Principle #8: A Country’s Standard of Living Depends on Its Ability to Produce Goods and Services.
Standard of living may be measured in different ways: By comparing personal incomes. By comparing the total market value of a nation’s production. Productivity is the amount of goods and services produced from each hour of a worker’s time.

26 Summary With a partner, evaluate the use of productivity as a means to measure a country’s standard of living. Things to think about What drives productivity? Does high productivity mean everyone’s standard of living increases?

27 Principle #9: Prices Rise When the Government Prints Too Much Money.
Inflation is an increase in the overall level of prices in the economy. One cause of inflation is the growth in the quantity of money. When the government creates large quantities of money, the value of the money falls.

28 Principle #10: Society Faces a Short-run Trade-off between Inflation and Unemployment.
The Phillips Curve illustrates the trade-off between inflation and unemployment: Inflation or Unemployment It’s a short-run trade-off! The trade-off plays a key role in the analysis of the business cycle—fluctuations in economic activity, such as employment and production

29 Business Cycle

30 Land, labor, capital, entrepreneurs
$15 Trillion Pyramid Scarcity Inflation Opportunity Cost At the margin Market Economy Trade-offs Incentives Land, labor, capital, entrepreneurs Productivity

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