Before entry, the incumbent earns a monopoly profit of $20 (profits in millions) If entry occurs, the incumbent and rival each earn the duopoly profit, $6. Suppose that the incumbent can induce the government to require all firms to install pollution-control devices that cost each firm $8 Should the incumbent urge the government to require pollution-control devices? Why or why not? Enter (6,6) Rival No devices (20,0) Assume for simplicity the game tree is illustrated in the figure to the right. All profits are in millions. What is the subgame perfect Nash equilibrium? Don't enter Incumbent Enter (-2,-2 O A. The Nash equilibrium is for the incumbent to require devices and for the rival to not enter regardless of whether devices are required Devices Rival (12,0) O B. The game does not have a Nash equilibrum OC. The Nash equilibrium is for the incumbent to not require devices and for the rival to only enter if devices are not required. Don't enter OD. The Nash equilibrium is for the incumbent to require devices and for the rival to only enter if devices are not required. O E. The Nash equilibrium is for the incumbent to require devices and for the rival to enter regardless of whether devices are required

MATLAB: An Introduction with Applications
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Before entry, the incumbent earns a monopoly profit of $20
(profits in millions). If entry occurs, the incumbent and rival
each earn the duopoly profit, $6. Suppose that the
incumbent can induce the government to require all firms to
install pollution-control devices that cost each firm $8
Should the incumbent urge the government to require
pollution-control devices? Why or why not?
Enter
(6,6)
Rival
No devices
Assume for simplicity the game tree is illustrated in the figure
to the right. All profits are in millions. What is the subgame
perfect Nash equilibrium?
(20,0)
Don't enter
Incumbent
Enter
-(-2,– 2)
O A. The Nash equilibrium is for the incumbent to require
devices and for the rival to not enter regardless of
whether devices are required.
Devices
Rival
(12,0)
B. The game does not have a Nash equilibrium
Don't enter
OC. The Nash equilibrium is for the incumbent to not
require devices and for the rival to only enter if
devices are not required.
OD. The Nash equilibrium is for the incumbent to require
devices and for the rival to only enter if devices are
not required
O E. The Nash equilibrium is for the incumbent to require
devices and for the rival to enter regardless of
whether devices are required
Transcribed Image Text:Before entry, the incumbent earns a monopoly profit of $20 (profits in millions). If entry occurs, the incumbent and rival each earn the duopoly profit, $6. Suppose that the incumbent can induce the government to require all firms to install pollution-control devices that cost each firm $8 Should the incumbent urge the government to require pollution-control devices? Why or why not? Enter (6,6) Rival No devices Assume for simplicity the game tree is illustrated in the figure to the right. All profits are in millions. What is the subgame perfect Nash equilibrium? (20,0) Don't enter Incumbent Enter -(-2,– 2) O A. The Nash equilibrium is for the incumbent to require devices and for the rival to not enter regardless of whether devices are required. Devices Rival (12,0) B. The game does not have a Nash equilibrium Don't enter OC. The Nash equilibrium is for the incumbent to not require devices and for the rival to only enter if devices are not required. OD. The Nash equilibrium is for the incumbent to require devices and for the rival to only enter if devices are not required O E. The Nash equilibrium is for the incumbent to require devices and for the rival to enter regardless of whether devices are required
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