The Australian economist, Joshua Gans, recently described a problem central to the current financial turmoil. How could he persuade his young son not to wet his pants?
澳大利亞經濟學家喬舒亞?甘斯(Joshua Gans)最近談到了當前金融危機的一個核心問題。他如何才能說服自己年幼的兒子不尿褲子？
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