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 explores the effect of oil price fluctuations on the stock returns of U.S. oil firms using an identification strategy through heteroskedasticity, exploiting the 2020 oil price crash. The results are twofold. First, a decline in oil prices significantly reduces oil firms' stock...

In this paper we investigate the effects of central bank interventions (CBI) in a noise trading model with chartists and fundamentalists. We first estimate a model in which chartists extrapolate past returns and fundamentalists forecast a mean reverting dynamics of the exchange rate towards a...