ECO251 Midterm 2
March 26, 2013
You have 75 minutes to complete this exam. There is no need for a calculator, not even
a simple one, leaving the solution as fractions is ne. Show your work, and how yo
ECO251 Midterm 1
February 18, 2014
You have 1 hour and 15 min to complete this exam. You can use a simple calculator if
you think it is necessary, but it should not be, as you can leave the answers as
ECO 251: Industrial Organization,
Chapter 2
Consumer Demand
$/unit
Equation:
Equation:
P = A -B.Q
P = A B.Q
linear
linear
demand
demand
A
P1
Maximum willingness
Maximum willingness
to pay
to pay
Const
ECO 251 Midterm 1 Suggested Solutions
1. (10 points) Companies oer multiple health insurance plans to allow consumers to self-identify into
high demand and low demand consumers. It is usually dicult t
ECO251 Midterm 1
February 2nd, 2012
You have 75 minutes to complete this exam. You are not allowed to use anything, not
even a calculator. Show your work, and how you reached the conclusions. Also, il
Please solve question 1, and two of the last three questions.
1. (40) Two firms interact in a market. Each firm has two choices each
period, either to collude or to cheat. The payos each period are as
ECO 251: Final Exam
You have 75 minutes to complete this exam. This is a closed book exam,
but you can use calculators.
1. (25)
Two rms interact in a market. Each rm has two choices each period,
eithe
ECO251 Midterm Exam
March 5, 2009
1. (25 points)
Suppose that a monopolist faces an inverse demand function of
= 20
and his marginal cost function is
= 2
a) Calculate the marginal revenue function
ECO251 Midterm Exam
March 4th, 2010
You have 75 minutes to complete this exam. Please solve the first question
and choose two out of the last three questions. You are not allowed to use anything other
ECO251 Midterm 3
April 18, 2013
You have 75 minutes to complete this exam. There is no need for a calculator, not even
a simple one, leaving the solution as fractions is ne. Show your work, and how yo
ECO251 Midterm 1
February 21, 2013
You have 75 minutes to complete this exam. There is no need for a calculator, not even
a simple one, leaving the solution as fractions is ne. Show your work, and how
Chapter 20-21:
Advertising
Industrial Organization:
Contemporary Theory & Practice
Impact of Advertising
Without advertising
lack of information about products
shopping is generally local and based
Chapter 8
Commodity Bundling and Tie-In
Sales
Industrial Organization: Chapter 8
1
Bundling
Firms sell goods as bundles
selling two or more goods in a single package
complete stereo systems
fixed-
Chapter 11-12
Limit Pricing
and
Entry Deterrence
Introduction
Some firms have a lot of market power
Examples are Microsoft (95% of PC operating systems) and
Campbells (70% of the tinned soup market)
T
ECO 251: Industrial Organization
Industrial Organization: Chapter 1
1
Firms Business Issues
pricing of a product (e.g. Movie Theater)
which products to introduce (e.g. United Airlines)
when to introdu
Oligopoly Models
13/3/25 4:10 PM
Three dominant oligopoly models, each embodies the Nash equilibrium
concept
Cournot
Bertrand
Stackelberg
They are distinguished by
The decision variable that fir
Chapter 11-12
Limit Pricing
and
Entry Deterrence (cont.)
Limit Pricing (cont.)
Committing to output QD may be aimed at eliminating an
existing rival or driving out a potential entrant.
Is limit pric
Chapter 5
Price Discrimination and
Monopoly: Linear Pricing (cont.)
Chapter 5: Price Discrimination:
Linear Pricing
1
Price discrimination and welfare (cont.)
Previous analysis assumes that the same
ECO251 Midterm 3
March 27, 2012
You have 75 minutes to complete this exam. You can use a simple calculator if you think
it is necessary. Show your work, and how you reached the conclusions. Also, illu
1. a) I suggest an equilibrium where firms cooperate as long as everyone
cooperates, but once either of them deviated, they deviate forever after. If one
cooperates then his payo is
50 +
50
(1 + )
50
ECO 251: Industrial Organization,
Chapter 2 (cont.)
Monopoly
The only firm in the market
market demand is the firms demand
output decisions affect market clearing price
At price P1
At price P1
cons
ECO 251: Industrial Organization
Industrial Organization: Chapter 1
1
Firms Business Issues
pricing of a product (e.g. Movie Theater)
which products to introduce (e.g. United Airlines)
when to introdu
ECO251 Midterm 3
April 24th, 2014
You have 1 hour and 15 min to complete this exam. You can use a simple calculator if
you think it is necessary, but it should not be, as you can leave the answers as
ECO251 Midterm 2
March 2th, 2016
You have 75 minutes to complete this exam. There is no need for a calculator, not even
a simple one (but you can use a basic one if you want), leaving the solution as
ECO251 Final
May 2, 2016
You have 3 hours to complete this exam. You can use a simple calculator if you think it
is necessary. Show your work, and how you reached the conclusions. Also, illustrate you
ECO251 Midterm 2
February 23rd, 2012
You have 75 minutes to complete this exam. You can use a simple calculator if you think
it is necessary. Show your work, and how you reached the conclusions. Also,