•成本包括丢失的GDP加上丢失的消费者盈余,其中大部分来自非经济活动。• Costs include loss of life and lower quality of life • Many industries are directly affected by Covid, and directly affected by Covid policies • Many others are indirectly affected by the economic recession • Costs depend on how long policies last, and higher short-run costs can reduce long-run costs • Understanding policy requires more - it requires knowing what markets will do, and knowing value of government intervention
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