Last Updated
：2025/12/05
St. Petersburg paradox
Noun
Japanese Meaning
サンクトペテルブルクのパラドックス：経済学における逆説で、特定の理論上の宝くじゲームにより発生するもので、無限の期待値（無限の期待収益）を持ちながら、実際には参加者が支払う金額は非常に低いと判断される現象を示す
（ plural ）
Quizzes for review
(economics) The paradox raised by a particular (theoretical) lottery game that leads to a random variable with infinite expected value (i.e. infinite expected payoff) but nevertheless seems to be worth only a very small amount to the participants.
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St. Petersburg paradox
Even though the St. Petersburg paradox predicts an infinite expected payoff, most people are unwilling to pay much to play the described lottery.
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Even though the St. Petersburg paradox predicts an infinite expected payoff, most people are unwilling to pay much to play the described lottery.
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