他们说，我们为什么要依据设想和计算机程序而不是看得见的事实来制订现行政策呢？
Why, they say, should we base current policy on scenarios and computer programmes rather than observable facts?
而马尔萨斯设想的减少“过剩人口”的办法之一是制订特殊的国家政策将大量的农夫杀死。
One of Malthus's solutions for reducing the "surplus population" was to introduce policies specifically designed to bring death to large Numbers of peasants.
分析人员研究时采用一个基准模型（增长率既定），并设想一套不可持续性财政政策。
They use a baseline model that assumes a given growth rate and an unsustainable fiscal policy.
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