Regular practitioners include pharmaceutical companies, airlines, and sports arenas; it is of extremely limited utility to small businesses and in perfectly competitive industries, or when its effectiveness can be curtailed via arbitrage.  
Regular practitioners include pharmaceutical companies, airlines, and sports arenas; it is of extremely limited utility to small businesses and in perfectly competitive industries, or when its effectiveness can be curtailed via arbitrage.  To achieve universal service, AT&T used to employ it against urban, heavy, and business users.  Amazon.com, amid much outrage, experimented with what it called "dymanic pricing" in 2000.  FTP, what is this general term for charging different customers different rates?
Regular practitioners include pharmaceutical companies, airlines, and sports arenas; it is of extremely limited utility to small businesses and in perfectly competitive industries, or when its effectiveness can be curtailed via arbitrage.  
price discrimination