Using a news-based index of geopolitical risk (GPR), we document a strong negative relationship between firm-level corporate investment and GPR. When the GPR index doubles, investment rate in the next quarter declines by 14% of its sample mean. The effect is more pronounced for firms with more...

Using a news-based index of economic policy uncertainty (EPU), we find that EPU is positively associated with credit default swap (CDS) spreads and negatively associated with the number of liquidity providers in the CDS market. A 10% increase in EPU leads to an 8.4% increase in CDS spreads and a...

This study develops a new economic uncertainty (EU) index based on Chinese newspapers by addressing the media coverage bias of existing measures. The developed index refines the existing methods on measuring uncertainty by taking special characteristics of China into consideration, which turns...

We find that news-based measures of economic policy uncertainty (EPU) negatively forecast momentum. A one standard deviation increase in EPU is associated with a 1.11% decrease in risk-adjusted momentum returns. The predictive power of EPU is robust after controlling for previously documented...

Although most empirical studies conclude that uncertainty delays firms' investments based on real options theory, empirical evidence regarding the impact of uncertainty on innovation is mixed. This study examines the impact of geopolitical risk (GPR) on corporate research and development (R&D)...