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	Keseimbangan Sempurna Subpermainan	Ekuilibrium Nash
Bidang	Teori Permainan	Teori Permainan
Keluarga	Machine learning	Machine learning
Tahun asal	1965	1950
Pencetus	Reinhard Selten	John Nash
Tipe	algorithm	algorithm
Sumber perintis	Selten, R. (1965). Spieltheoretische Behandlung eines Oligopolmodells mit Nachfrageträgheit. Zeitschrift für die gesamte Staatswissenschaft, 121, 301-324.	Nash, J. F. (1950). Equilibrium points in N-person games. Proceedings of the National Academy of Sciences, 36(1), 48-49.
Alias	Backward Induction, Sequential Equilibrium, Extensive-Form Equilibrium	Lemke-Howson Equilibrium, Completely Labeled Pair
Terkait	4	4
Ringkasan	Subgame Perfect Equilibrium (SPE) is a refinement of Nash Equilibrium for sequential games, introduced by Reinhard Selten in 1965. It requires that strategy profiles constitute a Nash Equilibrium in every subgame, eliminating non-credible threats and incredible promises. Backward induction is the primary computational method for finding SPE in finite games.	Nash Equilibrium is a game-theoretic solution concept where no player can unilaterally deviate to improve their payoff. Formalized by John Nash in 1950, the Lemke-Howson algorithm computationally finds equilibria in bimatrix games by identifying completely labeled vertex pairs in the strategy polytopes.