Examine perfect competition in the value-menu fast-food restaurant business.  

Why does this type of fast-food restaurant tend to display characteristics of perfect competition?

Why might firms in perfect competition choose to be open on Monday, typically the slowest day of the week, when their revenues do not seem to be sufficient to warrant doing so?

Under what conditions would your value-menu fast-food restaurant decide to be open on Mondays, and when would it decide not to be open on Mondays?  

When is losing money on Mondays still a good business decision?

Explain how your experience as a manager would change if the value-menu fast-food restaurant you were in charge of operated under a different market structure?monopolistic competition, oligopoly, and monopoly.  For example, in each case, how would you decide what price to charge?  

What would your profits look like?  Would consumers be better off in terms of welfare, when you compare a firm in monopolistic competition, oligopoly, and monopoly to one in perfect competition?

Where do you find this information?