Micro- and Macro-Level Validation in Agent-Based Simulation: Reproduction of Human-Like Behaviors and Thinking in a Sequential Bargaining Game

Keiki Takadama (), Tetsuro Kawai () and Yuhsuke Koyama ()
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Keiki Takadama: http://www.hc.uec.ac.jp/eng/e-ww-s.html

Journal of Artificial Societies and Social Simulation, 2008, vol. 11

Abstract: This paper addresses both micro- and macro-level validation in agent-based simulation (ABS) to explore validated agents that can reproduce not only human-like behaviors externally but also human-like thinking internally. For this purpose, we employ the sequential bargaining game, which can investigate a change in humans' behaviors and thinking longer than the ultimatum game (i.e., one-time bargaining game), and compare simulation results of Q-learning agents employing any type of the three types of action selections (i.e., the ε-greedy, roulette, and Boltzmann distribution selections) in the game. Intensive simulations have revealed the following implications: (1) Q-learning agents with any type of three action selections can reproduce human-like behaviors but not human-like thinking, which means that they are validated from the macro-level viewpoint but not from the micro-level viewpoint; and (2) Q-learning agents employing Boltzmann distribution selection with changing the random parameter can reproduce both human-like behaviors and thinking, which means that they are validated from both micro- and macro-level viewpoints.

Keywords: Micro- and Macro-Level Validation; Agent-Based Simulation; Agent Modeling; Sequential Bargaining Game; Reinforcement Learning (search for similar items in EconPapers)
Date: 2008-03-31

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Persistent link: http://EconPapers.repec.org/RePEc:jas:jasssj:2007-75-2

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