We confirm on population and city-aggregate manufacturing data that such aggregate measures of activity in cities are highly robust to temporary shocks even of immense size.
我们确认人口数量和向城市聚集的产业数据，这种聚集的方式在城市里会引起一个短暂但是很强烈的冲击。
We confirm on population and city-aggregate manufacturing data that such aggregate measures of activity in cities are highly robust to temporary shocks even of immense size.
我们确认人口数量和向城市聚集的产业数据，这种聚集的方式在城市里会引起一个短暂但是很强烈的冲击。
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