In oligopoly industries one firms choices have no impact on

In oligopoly industries: one firm\'s choices have no impact on other firms. choices are usually optimal for all firms. it is not possible to maximize profit one firm\'s choice will affect profits of other firms.

Solution

Option 4

In Oligopoly the numbers of competitors are limited and any price reduction by a firm would force others to reduce prices which would affect the profits of other firms in the market.