摘要
博弈就是一个在给定的语境中,博弈者借助一定的信息,形成自己的语境信念,进而进行效用最大化的决策过程。本文从语境和信息两个方面对博弈决策的效用进行了分析。在不同的语境下,博弈双方的收益函数将出现差异。通过不同信息条件下的效用对比分析,本文指出,在同一语境下,如果信息使我们的信念逼近事实,则一定会带来更多的收益。改善语境和增加信息是博弈者提高收益的两个重要途径。
A game is the process of decision-making in which the players use some information, form their own belieis, and maximize their utilities in a certain context. The paper analyzed the decision utilities from the point of context and information. The utility functions will differ from each other in different contexts. With utility comparison between the dfferent information conditions, the paper points out that, in a certain context, information will bring the players more utilities if it makes the payers＇ beliefs approaching to the facts. Improving the context and increasing the information are the two key paths for the players to reach the biggest profits.
出处
《预测》
CSSCI
2008年第4期71-74,共4页
Forecasting
关键词
博弈论
语境
信息
效用
game theory
context
information
utility
