So in that game we played at the end last time, what were the set of strategies?

上节课我们最后做的游戏,策略的集合是什么样的呢

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When distinguishing a particular strategy from the set of possible strategies.

当需要表示策略集合中的,一个特定策略时

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So here they are, here's my collected in, sort of strategy choices.

我手里的是我收上来的策略集合

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We've got the choices they could make: that's their strategy sets.

我们有他们可能选择的策略,就是策略集合

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What about the strategy sets or the strategy alternatives?

那么策略集合是怎样的呢

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To be the set of alternatives.

来表示策略集合

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You can't think that it really could make so much difference in the real world how prices and quantitie and welfare, and profit is going to work out depending on some thought experiment about how I think about my strategy set.

你们很难想象在现实世界里,价格 产量 福利和利润会因为,不同策略集合设定下的思想实验,而产生如此巨大的变化

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Now I need to distinguish this from the set of possible strategies of Player I, so I'm going to use capital "Si" to be what?

我们需要把这个特定的策略和,参与人i的可能策略集合区别开来,我们用大写的Si来表示什么

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So here Player I's strategy set, she has two choices top or bottom, represented by the rows, which are hopefully the top row and the bottom row.

这是参与人I的策略集合,她有上下两种选择,用横排来表示,即上下两排

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The set of possible strategies of Player I.

即参与人i的所有可能策略的集合

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This strategy set--formally, Let's just simplify it here-- let's assume that for each Firm i they can set their price anything bigger than 0 and anything less than 1, just to keep life simple.

至于策略集合,我们把它简化成,假设每个公司i能,将它们的价格设定为,大于0并且小于1,仅仅为了简化处理

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