game theory Game theory is the study of mathematical models of strategic interactions. It has applications in many fields of social science, and is used extensively in economics, logic, systems science and computer science. Initially, game theory addressed ...

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 Random number generation is a process by which, often by means of a random number generator (RNG), a sequence of numbers or symbols is generated that cannot be reasonably predicted better than by random chance. This means that the particular ou ...

. For instance, if a game of

Poker Poker is a family of Card game#Comparing games, comparing card games in which Card player, players betting (poker), wager over which poker hand, hand is best according to that specific game's rules. It is played worldwide, with varying rules i ...

requires a

dealer Dealer may refer to: Film and TV * ''Dealers'' (film), a 1989 British film * ''Dealers'' (TV series), a reality television series where five art and antique dealers bid on items * ''The Dealer'' (film), filmed in 2008 and released in 2010 * ...

to choose which cards a player is dealt, the dealer plays the role of the nature player. Moves by nature are an integral part of games of

incomplete information In economics and game theory, complete information is an economic situation or game in which knowledge about other market participants or players is available to all participants. The utility functions (including risk aversion), payoffs, strategies ...

References

* {{Game theory Game theory

See also

References