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All right, so let's just make it a little bit more complicated.
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Suppose we started with q_1 = 1,
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q_2 = 2.
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Now, I told you that equilibrium--Fisher says there's
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always a normalization.
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Walras originally had the normalization in one period.
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There's a one period model in general equilibrium.
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In multi-period models there's a normalization every period.
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Every period there's a choice of whether you're dealing with
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dollars, or francs, or centimes,
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or how many, and so there's a free
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normalization.