Industry Competition And Public Policy Based On Two-Sided Market Theory

Two-sided market is the important component of modern economic system. Performing theoretical research on two-sided market could provides us with theoretical foundation for firm's business strategies, afford us helpful reference to industry development strategies, antitrust and regulation system, and contributes to a perfect industrial organization. At the same time it also has significant practical meaning for development and reform of two-sided industry in China.Based on game theory, information economics and industrial organization, this dissertation mainly studies the issues on industry competition and public policy from two-sided market perspectives. The dissertation consists of 3 parts, in which the first part is the theoretical foundation on two-sided market, the second part is the analysis on industry competition and the third part is the analysis on public policy including antitrust and regulation which mainly deal with competition.The first part includes chapter 2 and 3. Chapter 2 explores the concept and characteristics of two-sided market and analyzes the condition where two-sided market comes into existence. Finally a large number of examples of two-sided market are sum up and types of two-sided market are measured off according to relevant literature.Chapter 3 provides a summary on two-sided market literature and develops a research framework of two-sided market.From chapter 4 to chapter 8 are Part 2 which is the kernel of this dissertation. By developing a Cournot model of platform competition, the fourth chapter discusses the equilibrium condition of asymmetry platform competition and welfare implications for different competition regime.In order to investigate duopoly competition between firms financed by both consumers and advertisers, chapter 5 extends an existing model of two-sided market with negative network externality and applies it to analyze the incentive of medium firms to form vertical alliance with advertisers.Based on a developed framework of competition analysis, the sixth chapter explores...