Department of Economics
579 Serra Mall
Stanford, CA 94305-6072
Institutional Affiliation: Stanford University
NBER Working Papers and Publications
|June 2020||Economic Uncertainty Before and During the COVID-19 Pandemic|
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We consider several economic uncertainty indicators for the US and UK before and during the COVID-19 pandemic: implied stock market volatility, newspaper-based economic policy uncertainty, twitter chatter about economic uncertainty, subjective uncertainty about future business growth, and disagreement among professional forecasters about future GDP growth. Three results emerge. First, all indicators show huge uncertainty jumps in reaction to the pandemic and its economic fallout. Indeed, most indicators reach their highest values on record. Second, peak amplitudes differ greatly – from a rise of around 100% (relative to January 2020) in two-year implied volatility on the S&P 500 and subjective uncertainty around year-ahead sales for UK firms to a 20-fold rise in forecaster disagreement abo...
Published: Dave Altig & Scott Baker & Jose Maria Barrero & Nick Bloom & Phil Bunn & Scarlet Chen & Steven J. Davis & Julia Leather & Brent Meyer & Emil Mihaylov & Paul Mizen & Nick Parker & Thomas Renault & Pawel Smietanka & Gregory Thwaites, 2020. "Economic Uncertainty Before and During the COVID-19 Pandemic," Journal of Public Economics, .
|September 2019||The Impact of Brexit on UK Firms|
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We use a major new survey of UK firms, the Decision Maker Panel, to assess the impact of the June 2016 Brexit referendum. We identify three key results. First, the UK’s decision to leave the EU has generated a large, broad and long-lasting increase in uncertainty. Second, anticipation of Brexit is estimated to have gradually reduced investment by about 11% over the three years following the June 2016 vote. This fall in investment took longer to occur than predicted at the time of the referendum, suggesting that the size and persistence of this uncertainty may have delayed firms’ response to the Brexit vote. Finally, the Brexit process is estimated to have reduced UK productivity by between 2% and 5% over the three years after the referendum. Much of this drop is from negative within-firm e...