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JoVE Business
Microeconomics
最大最小策略
最大最小策略
Business
Microeconomics
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Business Microeconomics
The Maximin Strategy I

18.13: 最大最小策略

567 Views
01:25 min
February 18, 2025
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

最大最小策略是在博弈论和各种决策场景中使用的一种决策规则,用于将可能出现的最大损失降至最低。它特别适用于博弈者或决策者对他人的行为感到不确定并希望防范最坏结果的情况。

“最大最小”这个名字源于它的方法:将最小收益进行最大化。这意味着在所有可能的策略中,博弈者会选择提供最佳和最坏情况的策略。换句话说,这一策略侧重于最不利选项中最有利的结果,以此来确保最低收益尽可能更高。这在不可预测的环境中具有战略意义,在这种情况下,降低风险和避免不利损失是至关重要的。

在各个领域的应用:

最大最小策略在金融投资中可以是至关重要的,因为在动荡的市场中将风险最小化是必不可少的。此外,在军事战术中,指挥官经常会使用最大最小策略来为最坏的敌人行动做好准备,同时试图保持战术优势。

计算最大最小策略:

为了确定最大最小策略,需要对所有的潜在结果进行分析,并确定每个选择的最不利的结果。在这些最不利的结果中,收益最高的选择会被视为最佳的最大最小策略。

Transcript

玩家使用最大策略来最大限度地减少最坏情况下的潜在损失。

该策略包括选择使玩家可以获得的最低回报最大化的选项,无论对手如何玩。

使用 Maximin 策略主要是因为它们提供了一个安全网,防止对手行为的不确定性,尤其是当对手可能做出不理性的行为时。

例如,考虑一个业务场景,其中两家公司正在决定是高定价还是低定价。

如果一家公司无法预测另一家公司的定价策略,特别是如果竞争对手倾向于做出不可预测的决定,它可能会选择保证稳定回报的定价策略。

这种策略确保公司避免毁灭性的价格战,获得更安全但适度的利润。

要确定 maximin 策略,玩家必须审查所有选项并考虑每个选项可能产生的最坏结果。

在这些最坏的情况下,提供最高回报的选项是 maximin 策略。在这种情况下,maximin 策略是选项 C。

这有助于最大限度地减少重大损失,确保更安全的最低结果。

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