Price leadership
A situation in an oligopoly where one firm sets or changes its price and others follow
Oligopoly
A market dominated by a few firms that are interdependent
Kinked demand curve
in a non-collusive oligopoly an individual firm will believe that rivals will not follow any price rise that it makes ,but will follow any price reductions meaning that the demand curve it faces will be a price elastic for a price rise and price inelastic for price fall .
X -inefficiency
the inefficiency that can occur in a monopoly when production is not at the lowest point on the average total cost curve