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NBER Working Papers and Publications
|August 2017||Short and Long Run Uncertainty|
with Jose Maria Barrero, Nicholas Bloom: w23676
Uncertainty appears to have both a short-run and a long-run component, which we measure using firm and macro implied volatility data from options of 30 days to 10 years duration. We ask what may be driving uncertainty over these different time horizons, finding that oil price volatility is particularly important for short-run uncertainty, policy uncertainty is particularly important for long-run uncertainty, while currency volatility and CEO turnover appear to equally impact short- and long-run uncertainty. Examining a panel of over 4,000 firms from 1996 to 2013 we find that R&D is relatively more sensitive to long-run uncertainty than investment, and in turn investment is relatively more sensitive to long-run uncertainty than hiring. In a simulation model we investigate the channels under...