This study examines the effect of economic and political uncertainty on sovereign CDS spreads using a novel panel index of world uncertainty. We document that sovereign CDS spreads widen with uncertainty. A 1% increase in uncertainty leads to a 0.86% increase in sovereign CDS spreads....

This study examines the effects of the COVID-19 pandemic on sovereign CDS spreads using a large sample of countries. We show how sovereign CDS spreads have widened significantly in response to the COVID-19 pandemic. Based on the most conservative estimate, a 1% increase in COVID-19 infections...

This paper examines the impact of sentiment in an online message forum on stock returns. Using a novel controlled experiment, we collect a large panel of messages with no fundamental information but strong sentiment and stock return data. We find a significant causal effect of social media...

This paper investigates whether venture-backed investments in clean technologies support carbon neutrality. Using Pitchbook’s data on more than 65,000 venture capital investments in 110 countries from 2011 to 2022, we document that venture-backed investments in clean technologies increase both...

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...