Searching good strategies in adaptive minority games

Details Searching good strategies in adaptive minority games Searching good strategies in adaptive minority games

2003-05-13

arxiv.org/abs/cond-mat/0305283v1

Physics

Condensed Matter

Statistical Mechanics

8 pages including 9 figures. Uses REVTeX4

Scientific paper

10.1103/PhysRevE.69.036125

In this paper we introduce adaptation mechanism based on genetic algorithms in minority games. If agents find their performances too low, they modify their strategies in hope to improve their performances and become more successful. One aim of this study is to find out what happens at the system as well as at the individual agent level. We observe that adaptation remarkably tightens the competition among the agents, and tries to pull the collective system into a state where the aggregate utility is the largest. We first make a brief comparative study of the different adaptation mechanisms and then present in more detail parametric studies. These different adaptation mechanisms broaden the scope of the applications of minority games to the study of complex systems.

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