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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
It has been proved in many studies that cheap talk has great influence on the players’ choices of strategies in games. But the effect of cheap talk has still not been properly evaluated in game theory. Based on a novel game model with parameters denoting how one player cares for the other’s payoff, we can take the relations between players into account in games and extend the use of games theory. In this study the effect of cheap talk was analyzed by using the new game model. Two examples – a modified prisoners’ dilemma and threatening letter – were studied to explain how cheap talk could greatly influence the results of games.