Decision theory

Japanese: 決定理論 - けっていりろん(英語表記)decision theory
Decision theory
When individuals or companies try to make decisions or business policies, there are often many uncertain conditions, and they must take these into account appropriately to make a good decision and act. A theory that uses statistical considerations to evaluate which of the available actions is actually best is called decision theory or "statistical decision theory." This theory first lists the actions that can be taken, and also lists the possible outcomes (called "states") of uncertain conditions.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
個人や企業などが意思決定や経営政策の決定を行おうとする際には,いろいろな不確実な条件が存在することが多いので,それらに対して適切な考慮をして,良い決定を下し,行動しなければならない。選択可能な行動のうちで,実際にどれをとるのがよいかを統計学的な考察によって評価する理論を決定理論あるいは〈統計的決定理論〉という。この理論では,まずとりうる行動を列挙し,また不確実な条件についても,実現する可能性のあるもの(これを〈状態〉とよぶ)を列挙する。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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