Game Analysis of Duopoly and Regulator in Regulated Market

With the escalation of market processes, many industries have been monopolized. In regulated market, the company and the regulator face a game. This research focuses on regulator´ s behavior in regulated market. The result showed that the regulator´ s strategy associated with the attitude of all the companies on the market. The regulator should try to make the two companies are involved in the market. When the companies pay more attention to developing new markets, the regulator can get more benefits by regulating the market.