We examine the impact of competition on bank earnings persistence by exploiting a natural experiment following interstate banking deregulation that increased bank competition. We find that bank earnings adjustment speed increases after their states implement the deregulation. This relationship...

We examine the determinants of profitability for a large sample of US banks over the period 1984-2010. Specifically, we assess the extent to which short-run profits persist, and whether such persistence is affected by changes in regulation and the recent financial crisis. Our findings suggest...

Using a hand-collected data, we provide evidence of extensive use of commodity derivative in hedging among U.S oil and gas producers. We find large variations in hedging intensity and hedging profits while on average they generate significant positive profits. The profits relate positively to...