Deregulation of the trucking industry and significantly lowered transportation costs led to large, widespread, and plausibly exogenous reductions in inventory for U.S. firms, but with consequent increased supply chain disruption costs. We find evidence that increased supply chain disruption...

Using textual analysis of earnings conference calls, we quantify firms' supply chain risk and its sources. Our proxy for supply chain risk exhibits large cross-sectional and time-series variation that aligns with reasonable priors and is unprecedently high during the Covid-19 pandemic. In...

Using textual analysis of earnings conference calls, we quantify firm level risk arising from the reliability of the supply chain from 2002 to 2020. Our proxy for perceived supply chain risk exhibits cross-sectional and time-series variation that aligns with reasonable priors and is...