The disruptions caused by Covid-19 and the lockdowns may make the work of macro policy more complicated than usual, simply by worsening the short-run tradeoff between growth and inflation.
Let me explain.
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A major factor behind the growth-inflation tradeoff is that in any economy close to full capacity, there is excess capacity in some sectors, while others face capacity constraints.
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Increasing aggregate demand in such a situation lead to more growth in the excess-capacity sectors but also more inflation in the sectors facing constraints.