1. Price competition. Using a popular travel site—such as Expedia.com or Kayak.com—look up airfares for each of the following pairs of cities:

New York to Los Angeles Atlanta to Boston Jacksonville, Florida to Dallas Chicago to Omaha Denver to Albuquerque Do some fares appear higher (on a per mile basis) than others?

Do these diff erences refl ect how many airlines provide nonstop service between each city pair? What about the impact on fares of so-called discount airlines (such as JetBlue and Southwest)?