In an oligopoly, there is an opportunity for a small number of firms to collude and increase their combined profits by acting as a monopolist instead of competing. Since firms can earn higher profits by colluding, explain why don't firms in an oligopoly always collude?

Write down any number from 0 to 100. All of the numbers written from the class will be added up to calculate the average of the numbers written. Whoever comes closest to half of the average of all the numbers written will be the winner.