What could we conclude from
yesterday’s organ donor/sale question?
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1st Come, 1st Serve Auction Undecided
FW Summer Econ – Organ Allocation Issue
Go to computer lab today
What if….
In our system:
• Firms need households
• Households need firms
• They are interconnected
• 2 effects:
• Govt raised sales tax
to 25%?
• Govt decreased
environmental
regulation
• Unemployment rate
rose by 10%
• Dow Jones increases
by 20 %
On your slate
1. How much information will you miss if you
miss 1 day of a regular school day?
2. What if you miss 2 days?
3. What if you miss 8 days?
“the margin”
• Additional
• Ex: production, consumption, effort
Two volunteers
• Two Volunteers
• Marginal utility
Two volunteers
• Two Volunteers
• Law of diminishing
marginal returns
• Eventually marginal
benefits will decrease
Movie Clips
• How do we see Diminishing Marginal Returns
in each clip
• NY Coney Island hot dog eating contest
• Squidward
Eventually…
Application to students?
Application to business?
Application to government?
Application to partiers
On your Slate
Write a specific example of Diminishing
Marginal Returns from your life, using
economic vocabulary
Review Biz Organizations
Which of the 3 business orgs would you
use to start a…..
Which of the 3 business orgs would you
use to start a…..
Which of the 3 business orgs would you
use to start a…..
Which of the 3 business orgs would you
use to start a…..
Tile setting
Which of the 3 business orgs would
you use to start a…..
Which of the 3 business orgs would you
use to start a…..
Which of the 3 business orgs would you
use to start a…..
Quantitative Easing on back of quiz
Why would an economist say it
makes sense to pay $500 to fly
to Los Angeles, when a person
could drive for only $90?
On your slate
Think of a day when you got a lot done. What
were you doing? Why were you able to do it?
Experiment
• 1 group draws
• 1 group draws
• 1 group draws
Graph Experiment
How could I model this?
Increase productivity?
Productivity
• Quantity of output for each unit of input
• For example:
• Mechanic can do 4 oil changes per hour
• Each oil change requires $8 worth of filter & oil
• “At the margin” increases in
Productivity
Another example?
Hours studying? Working?
Draw and label 2 good PPF
label impossible, efficient and inefficient
Increases in productivity
• Causes ---------
• #1 technology
• Others:
• Human capital
• Cheaper inputs
• Health
• Globalization
Production Possibility Practice
What is the
opportunity
cost of
moving from
A to B?
A
B
Production Possibility Practice
Production Possibility Practice
Production Possibility Practice
Production Possibility Practice
Production Possibility Practice
Production Possibility Practice
On your
slates
3 reasons
negative
In your groups
• You are members of the
financial ministry of the
country of Travistan
• Create a budget for FY 2015
• Smog level 100 million
particles per square inch
Reducing pollution would
increase tourism and create
thousands of new jobs
Travistan
Stock price article
• Assignment with your partner, 1 sheet
1. What factors give stocks their value?
2. What problems are created by a stock’s change in
price?
3. How does this information change your view of
the stock market?
4. Pick one of your stocks, what has happened to its
price in the last year? Why might that be
misleading
5. Write an activity Mr. Klein could use with this
article and its core concept.

2015 day 3