Oligopoly and Business Strategy Flashcards
Oligopoly
Oligopoly
Only a few sellers, each offering a similar or identical product to the others.
Attributes of Oligopoly
Few sellers offering similar or identical products.
Interdependent firms.
Best off cooperating and acting like a monopolist by producing a smaller quantity of output and charging a price above marginal cost.
Key Lesson from Oligopoly
Conflict between individual self-interest and collective well-being of firms.Social incentives to cooperate and private interest to defect.
Nash Equilibrium
In a Nash equilibrium no player has an incentive to deviate fromhis or herchosen strategy after consideringan opponent’s choice.
When does a Nash Equiblirium Occur
Nash equilibrium occurs when no participant/player to break the equilibrium by changing his strategy. can improve their gains by altering their strategy if the strategies of other players remains unchanged.
No-one has an incentive
Prisoner’s Dilemna/Dominant Strategy
The dominant strategy is the best strategy for a player to follow regardless of the strategies chosen by the other players.
Cooperation is difficult to maintain, because cooperation is not in the best interest of the
Why people sometimes cooperate
Firms that care about future profits will cooperate in infinite games rather than cheating in a single game to achieve a one-time gain.
Betrayal/defection destroys trust.
Can enforce cooperation using other methods, eg violence, religious beliefs, peer group pressure, etc