a market structure in which only a few sellers offer similar or identical products
monopolistic competition
a market structure in which many firms sell products that are similar but not identical
collusion
an agreement among firms in a market about quantities to produce or prices to charge
cartel
a group of firms acting in unison
Nash equilibrium
a situation in which economic actors interacting with one another each choose their best strategy given the strategies that all the other actors have chosen
game theory
the study of how people behave in strategic situations
dominant strategy
a strategy that is best for a player in a game regardless of the strategies chosen by the other players