This paper investigates the causal impact of oil price fluctuations on financial markets since January 2014. Following a heteroscedasticity-based event study approach, the paper instruments changes in oil prices by exogenous shocks in oil supply. It finds that oil price declines raise...

This paper explores the effect of oil price fluctuations on the stock returns of U.S. oil firms using a strategy of identification through heteroskedasticity exploiting the 2020 oil crash. Results are twofold. First, we find that a decline in oil prices statistically significantly reduces stock...

This paper investigates the causal impact of oil price fluctuations on financial markets since January 2014. Following a heteroscedasticity-based event study approach, the paper instruments changes in oil prices by exogenous shocks in oil supply. It finds that oil price declines raise...

We document a significant decline in the likelihood of firm-specific stock price crashes after the announcement of credit rating downgrades in 69 countries. This finding supports the argument that credit rating agencies (CRAs) contribute to the disseminating of negative information in the equity...

This study investigates the influence of CEO stock donation on firm-specific crash risk. We document a robust positive association between CEO stock gifts and future stock price crashes attributable to bad news-hoarding behavior of the donor CEOs. Further analyses reveal that only opportunistic...

This paper investigates the causal impact of oil price fluctuations on financial markets since January 2014. Following a heteroscedasticity-based event study approach, the paper instruments changes in oil prices by exogenous shocks in oil supply. It finds that oil price declines raise...

This paper examines the impacts of U.S.-China trade tensions via the lens of East Asian stock markets. Studying 10 indices of the main East Asian stock markets, it finds that announcements of "trade war" escalation translated into 50 to 60 percent of the total declines in two major Chinese stock...

This paper explores the effect of oil price fluctuations on the stock returns of U.S. oil firms using a strategy of identification through heteroskedasticity exploiting the 2020 oil crash. Results are twofold. First, we find that a decline in oil prices statistically significantly reduces stock...