Rock Scissor Game Behavioral Game Theory Essay

1982 Words Jul 3rd, 2011 8 Pages

University of St. Gallen
Rock, Scissor and Paper
Behavioral Game Theory
Claudia Neri
Rachmartika Astarini – 10600823


The child’s play of Rock, Scissor and Paper is in fact played in most of the world. Whatever its name, children aren’t the only ones to play it. Adults have also been known to use it when they cannot agree or would rather leave a decision to chance. And there are numerous articles that discuss the game theory within this game. a. History
Japan invented jankenpon in 19th century. Ken literally means fist. Some believes that this game is actually originated from China in Han Dynasty. Then on the 20th, it is known worldwide.
Rock Paper Scissor is not only a child play, even adults
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A player would only use a mixed strategy when he/she is indifferent between several pure strategies, and when keeping the opponent guessing is desirable - that is, when the opponent can benefit from knowing the next move.
Therefore, this game has no pure strategy to dominate others. When both players play in this way, they have an equal chance of winning, losing, or ending up in a tied game. The optimum or winning strategy would be keeping the strategy varied or throw randomly (mixed strategy). Players should never stop working on the strategy. The players are studying the opponent as they watching each other’s moves. Any strategy, no matter how complicated, can be unraveled if we repeat it often enough. Change! And Adapt! Replace the old tactics with new approaches and keep the game fresh.
However, the complete randomization is difficult to achieve. Human, try as they might, are terrible at trying to be random. Often, humans in trying to be random become quite predictable (WRSPS). At the end, people tend to develop their own pattern, which the opponent may be able to predict so then they can prepare the next move. Len Fisher, in his book on 2008, stated that he found a way to get the almost complete randomization to hold on the Rock, Paper and Scissors game. This will be discussed later in following chapter of previous research.
* Learning
Both players are aware about their won and opponents’ payoff,

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