Published online by Cambridge University Press: 28 November 2022
Disequilibrating macro shocks affect different firms’ prospects differently, increasing idiosyncratic variation in forward-looking stock returns before affecting economic growth. Consistent with most such shocks from 1947 to 2020 enhancing productivity, increased idiosyncratic stock return variation forecasts next-quarter real GDP growth, industrial production growth, and consumption growth both in-sample and out-of-sample. These effects persist after controlling for other leading economic indicators.
We thank Jennifer Conrad (the editor), Gill Segal (the referee), and David Vines for their helpful comments and suggestions.