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Grain vs Tuber

为什么国家爱小麦不爱甘薯？为什么最早的文字是账本？

Done

Case 1 ·

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Above ground? Harvest concentration Transportability Storability Quantifiability Assessability cost

TPI (Tax Possibility Index)

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Case 2 ·

Case 3 ·

𒋧 𒁽 𒃼

𒁹𒁹𒁹𒁹𒁹

𒊺

𒆦𒅆𒈠

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