Incorporating Inertia Into Multi-Agent Systems

Details Incorporating Inertia Into Multi-Agent Systems Incorporating Inertia Into Multi-Agent Systems

2005-10-10

arxiv.org/abs/physics/0510075v2

Physics

Physics and Society

extensively revised, 8 pages, 10 figures in revtex4

Scientific paper

10.1103/PhysRevE.73.036106

We consider a model that demonstrates the crucial role of inertia and stickiness in multi-agent systems, based on the Minority Game (MG). The inertia of an agent is introduced into the game model by allowing agents to apply hypothesis testing when choosing their best strategies, thereby reducing their reactivity towards changes in the environment. We find by extensive numerical simulations that our game shows a remarkable improvement of global cooperation throughout the whole phase space. In other words, the maladaptation behavior due to over-reaction of agents is removed. These agents are also shown to be advantageous over the standard ones, which are sometimes too sensitive to attain a fair success rate. We also calculate analytically the minimum amount of inertia needed to achieve the above improvement. Our calculation is consistent with the numerical simulation results. Finally, we review some related works in the field that show similar behaviors and compare them to our work.

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