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Lecture 2 - Introduction
Macroeconomics
Opening
Prayer
Quiz
1.When did the world start escaping poverty?
2.What is the foundational scripture for this
class?
1820
D&C 104: 17
Quizmaster
1. Ten Questions
2. Three answers for each question
3. Email to gpooley@byuh.edu by
3:00pm
4. One Extra Point on Exam
Taylor McKendrick
TA
Econ Lab
Room 123
Tuesday
4:00 - 5:30
Wednesday
7:00 - 8:00
Thursday
11:00 - 12:00
4:00 - 5:30
Economics
The study of how
human beings solve
each another’s
problems
Words
Numbers
Illustrations
Economist’s
Dictionary
Yabut
Yes, but
Weight Costs and
Benefits
Science
Hard
Soft
Most people
Most of the time
Economics is a
Soft Science
What are the two
questions
economists always
ask?
Compared to what?
Then what happens?
Opportunity Costs
You buy things with
money and time
What does it cost
to go to a movie?
Comparative
Advantage
Adam Eve
Total
Hours
Make a
Hook
3 2 5
Catch
a Fish
4 1 5
Total
Hours
7 3 10
No Trade
2 Hooks and 2 Fish
10 Hours - 5 Hours per Fish
Adam Eve
Total
Hours
Make a
Hook
Cost 3/4
fish
Cost 2
fish
Catch
a Fish
Cost 4/3
hooks
Cost 1/2
hooks
Total
Hours
Do-It-Yourself Costs
Adam Eve
Total
Hours
Make a
Hook
2 hooks
6 hours
6
Catch
a Fish
2 fish
2 hours
2
Total
Hours
6 2 8
With Trade
2 Hooks and 2 Fish
8 Hours - 4 Hours Per Fish
Where
is the
iPhone
made?
ARM Holdings
Wolfson
Marvel
Skyworks
CSR
Linear Technologies
NXP
National Semiconductor
Sharp
Samsung
Toshiba
Infineon
Broadcom
Numonyx
Micron
Dialog Semiconductor
Texas Instruments
STMicroelectronics
Silicon Storage
RF Microdevices
Cirrus Logic
U.S.
U.K.
Germany
Korea
Japan
Taiwan
China
Made on Earth
Design
Manufacturing Parts
Assembly
Packaging
Shipping
Marketing
What would you
have to be paid
to never use the
Internet again?
Then you must
be a millionaire
Only possible
because billions
of people have
learned to
cooperate with
each other
To serve one
another
The most
creative-destructive
device ever
invented
What does it cost to ship an iPhone from China to the U.S.?
54¢
450,000 iPhones cost about $242,000 to charter
Fuel accounting for more than half the expense. 44,700 gallons
What is worth the most?
Optimize
Tradeoffs
Tradeoffs
Mileage Safety
A 2001 National Academy of Sciences study estimated that the traffic
death toll attributable to past downsizing was approximately 2,000
lives per year.
Economic Models
Simplified Version of
Reality
Value in Prediction
Incentives Matter
Change Incentives
Change Behavior
Incentives are
more important
than goals
Consequences
matter more than
intentions
Unintended
Consequences
Macro Micro
Astonishing
U.S. Farmers
1800 - 90 percent
U.S. Farmers
1900 - 45 percent
Gasoline engines
replaced horses
U.S. Farmers
2012 - 2 percent
What happened to those 88 people?

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