Move by nature

Move by nature
fig.1, A game beginning with a move by nature

In game theory a move by nature is a decision or move in an extensive form game made by a player who has no strategic interests in the outcome. The effect is to add a player, 'Nature' whose practical role is to act as a random number generator. For instance, a game of Poker requires a dealer to choose which cards a player is dealt, the dealer plays the role of the Nature player

Fig.1 shows a signaling game which begins with a move by nature. Moves by nature are an integral part of games of incomplete information.

References

v · d · eTopics in game theory
Definitions
Normal-form game · Extensive-form game · Cooperative game · Succinct game · Information set · Preference
Equilibrium concepts
Strategies
Classes of games
Symmetric game · Perfect information · Simultaneous game · Sequential game · Repeated game · Signaling game · Cheap talk · Zero–sum game · Mechanism design · Bargaining problem · Stochastic game · Large poisson game · Nontransitive game · Global games
Games
Theorems
See also

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