Hello, dear friend, you can consult us at any time if you have any questions, add WeChat: daixieit

INDUSTRIAL ORGANIZATION AND FIRM STRATEGY

ECON - 3742, section A01-Winter 2022

Assignment #2

Matching questions (10 points)

From the bank of terms match the letter that corresponds to the appropriate concept/description.

Bank of terms

Letter

Perfect Bayesian Nash equilibrium

A

Bayesian Nash equilibrium

B

Nash equilibrium

C

Competition la Cournot

D

Competition la Bertrand

E

HerÖndahl index

F

Perfect competition

G

Consumer surplus

H

Lerner index

I

Principal-agent model

J

Natural monopoly

K

Strategic complements

L

Conjectural variations approach

M

Strategic substitutes

N


Concept/description

Write letter

Competition in quantities

____

Price taking behavior

____

Index of maket power

____

Measure of welfare

____

Solution for a static game with incomplete information

____

Competition in prices

____

Measure of intensity of competition

____

Manager and business owner work relationship

____

Best response functions that slope upwards

____

Estimation of market power

____

Ans/ The correct matching of concept/description with term.

Concept

Write letter

Competition in quantities

__D __

Price taking behavior

__ G __

Index of maket power

__F __

Measure of welfare

__H __

Solution for a static game with incomplete information

__B __

Competition in prices

__E __

Measure of intensity of competition

__I __

Manager and business owner work relationship

__J __

Best response functions that slope upwards

__L__

Estimation of market power

__M __

Completion questions (10 points)

1. In the ________ Bertrand duopoly with identical and constant identical marginal costs, the equilib- rium is such that Örms set prices ______ marginal costs and thus _______ market power.

a. homogeneous product; above; do not enjoy any

b. di§erentiated product; equal to; do not enjoy any

c. homogeneous product; equal to; do not enjoy any

d. di§erentiated product; equal to; enjoys Ans/ c (lesson 3.1)

2. If products are __________, Örms ________ market power.

a. more di§erentiated; attain less

b. less di§erentiated; attain more

c. more di§erentiated; do not attain more

d. more di§erentiated; attain more Ans/ d (lesson 3.3)

3. In a _______ price competition model with homogeneous products and _________ about mar- ginal costs, Örms set price _______ marginal costs and make strictly positive expected proÖts in equi- librium.

a. Bertrand; private information; above

b. Bertrand; public information; above

c. Cournot; private information; equal to

d. Cournot; private information; above Ans/ a (lesson 3.2)

4. Under imperfect competition with ___________ and horizontaly di§erentiated products, the Örm with ______ quality or _______ marginal costs sells _______units from a welfare perspective.

a. price competition ‡ la Hotelling; higher; lower; too few

b. quantity competition ‡ la Hotelling; higher; lower; too few

c. quantity competition ‡ la Cournot; higher; higher; too few

d. price competition ‡ la Hotelling; lower; lower; too many Ans/ a (lesson 3.4)

5.   The n-Örm  ___________ model  _________ perfect competition  as the number of Örms

_______.

a. asymmetric linear Bertrand; converges to; decreases

b. symmetric linear Cournot; converges to; increases

c. symmetric non linear Cournot; diverges from; decreases


d. symmetric non linear Bertrand; diverges from; increases Ans/ b (lesson 3.6)

6. In the linear_________ model with homogeneous products, the _________ index is an _________ measure of market power since it captures the average markup in equilibrium.

a. Cournot; HerÖndahl; appropriate

b. Bertrand; HerÖndahl; inappropriate

c. Cournot; Lerner; appropriate

d. Bertrand; Lerner; inappropriate Ans/ a (lesson 3.7)

7. In the homogeneous product case, price is higher, quantity is ________ and proÖts are higher under _____ competition than under ________ competition.

a. lower; price; quantity

b. higher; quantity; price

c. higher; price; quantity

d. lower; quantity; price Ans/ d (lesson 3.9)

8. ____ as the strategic variable for a Örm gives rise to a _________ outcome than ______ as the strategic variable.

a. Price; more competitive; quantity

b. Quantity; more competitive; price

c. Price; less competitive; quantity

d. Quantity; less competitive; price Ans/ a (lesson 3.11)