JACIII Vol.11 No.7 pp. 833-841
doi: 10.20965/jaciii.2007.p0833


In What Sense is “the Prisoner’s Dilemma Game” a Dilemma for a Human or a Programmed Agent?

Shihomi Wada and Keiji Suzuki

Future University-Hakodate, 116-2 Kamedanakano town, Hakodate, Hokkaido 041-8655, Japan

January 16, 2007
June 15, 2007
September 20, 2007
double-bind prisone’s dilemma game, prisoner’s dilemma game, reinforcement learning

In this paper, we compare the experimental results of human agents with that of programmed agents using the double-bind prisoner’s dilemma game, in which an ordinary prisoner’s dilemma game is nested into another dilemma; that is, a player has to decide firstly if s/he will play prisoner’s dilemma or not. Comparing human-agent experimental results with programmed agent experimental results, we found remarkable similarities and differences as follows: (1) when cooperation is chosen in the second stage, both human and programmed agents show similar distributions of the first choices, (2) in the case when agents choose defection in the second stage, human agents have a tendency to play an ordinary prisoner’s dilemma game, (3) in the case when agents choose defection in the second stage, programmed agents show almost equal distribution. These results suggest that programmed agents may be cooperators and get close to the Pareto optimal equilibrium in an appropriate setting.

Cite this article as:
S. Wada and K. Suzuki, “In What Sense is “the Prisoner’s Dilemma Game” a Dilemma for a Human or a Programmed Agent?,” J. Adv. Comput. Intell. Intell. Inform., Vol.11, No.7, pp. 833-841, 2007.
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Last updated on Dec. 02, 2020