Abstract:

The paper establishes the evolutionary game model of information service between group buying websites and users based on the view of evolutionary game theory, and analyses its dynamic evolutionary procedure. Moreover, key factors that affect the system’s evolution, additional cost paid to high quality information service by group buying websites, profits of high quality information service and bad quality information service, usage charges of information service by users and actual income of users, are obtained and researched in the paper. Thereby this article proposes some suggestions for the improvement of informtion service quality of group buying websites so as to provide beneficial scientific references for their further development.

Key words: Group buying websites, 　Information service quality, 　Evolutionary game, 　Information service profit, 　Information service cost