生产力
全要素生产率
2019年冠状病毒病(COVID-19)
经济
2019-20冠状病毒爆发
严重急性呼吸综合征冠状病毒2型(SARS-CoV-2)
经济影响分析
人口经济学
劳动经济学
农业经济学
货币经济学
微观经济学
宏观经济学
生物
病理
病毒学
爆发
传染病(医学专业)
疾病
医学
作者
Nicholas Bloom,Philip Bunn,Paul Mizen,Pawel Smietanka,Gregory Thwaites
摘要
Abstract We analyze the impact of Covid-19 on productivity using data from an innovative monthly firm survey that asks for quantitative impacts of Covid-19 on inputs and outputs. We find that total factor productivity (TFP) fell by up to 6% during 2020–2021. The overall impact combined large reductions in ‘within-firm’ productivity, with offsetting positive ‘between-firm’ effects as less productive sectors, and less productive firms within them, contracted. Despite these large pandemic effects, firms’ post-Covid forecasts imply surprisingly little lasting impact on aggregate TFP. We also see significant heterogeneity over firms and sectors, with the greatest impacts in those requiring extensive in-person activity.
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