Understanding Economics Introduction: The Economic Problem.
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Transcript of Understanding Economics Introduction: The Economic Problem.
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Understanding EconomicsUnderstanding Economics
Introduction: The Economic ProblemIntroduction: The Economic Problem
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The Economic ProblemThe Economic ProblemHow is being here today an example of economic opportunity cost(s)?.....
What is the marginal utility of getting a diploma/degree? MA? Ph.D?...
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Economics Defined:Economics Defined:
Economics is the social study of how to Economics is the social study of how to distribute scarce resources among distribute scarce resources among competing ends.competing ends.
From yesterday’s intro: From yesterday’s intro: -Microeconomics Microeconomics focuses on individual consumers focuses on individual consumers and businesses.and businesses.-MacroeconomicsMacroeconomics takes a broad view of the economy. takes a broad view of the economy.
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The Economic ProblemThe Economic Problem
Economic agents must continually Economic agents must continually make choices.make choices.-Their wants are unlimited.-They face a limited supply of economic resources.
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Economic Choice:Economic Choice: Economists assume that economic Economists assume that economic
decision-makers maximize their own decision-makers maximize their own utilityutility..
- Decision-makers must keep in mind the Decision-makers must keep in mind the opportunity cost opportunity cost of each alternative.of each alternative.
- Opportunity cost is defined as the utility Opportunity cost is defined as the utility of the best forgone alternativeof the best forgone alternative.
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The Production Possibilities FrontierThe Production Possibilities Frontier
The production possibilities model is The production possibilities model is based on three assumptions:based on three assumptions:
- ……an economy makes only an economy makes only twotwo products products- ……resources and technology are resources and technology are fixedfixed- ……all resources are employed to their all resources are employed to their
fullest capacityfullest capacity
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The Production Possibilities FrontierThe Production Possibilities Frontier
Production Possibilities Frontier
Hamburgers Computers Pt. on Graph
Production Possibilities Curve
0 1 2 3
1000
600
b
c10001000 00 aa
900900 11 bb
600600 22 cc
00 33 dd Computers
Ham
bur
gers
e
f
inefficient
unattainable
d
900
a
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The Law of Increasing CostsThe Law of Increasing Costs
Production Possibilities CurveProduction Possibilities Curve
0 1 2 3
1000
600
ComputersComputersH
ambu
rger
sH
ambu
rger
s
As the quantityAs the quantityof computersof computers
rises, so does theirrises, so does theiropportunity cost.opportunity cost.
a
b900
c
d
Production Possibilities Frontier
Hamburgers Computers Pt. on Graph
10001000 00 aa
900900 11 bb
600600 22 cc
00 33 dd
Opportunity Cost per additional unit?Opportunity Cost per additional unit?
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Shifts in Production PossibilitiesShifts in Production Possibilities
Production Possibilities Curve
0 3
1000
Computers
Ham
bur
gers
With morecomputers, the curve shifts outin the nextperiod.
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The Founder of Modern EconomicsThe Founder of Modern Economics
Adam Smith:Adam Smith:-Explained how the division of labour increases Explained how the division of labour increases production…production…-Argued that self interest is transformed by the Argued that self interest is transformed by the invisible hand of competition so that it creates invisible hand of competition so that it creates significant economic benefits …significant economic benefits …-Stressed the principle of Stressed the principle of laissez fairelaissez faire, which , which means that governments should not intervene in means that governments should not intervene in economic activityeconomic activity