Using supervisory data from large U.S. bank holding companies (BHCs), we document that BHCs suffer more operational losses during episodes of extreme storms. Among different operational loss types, losses due to external fraud, BHCs' failure to meet obligations to clients and faulty business...

Since banking systems play a crucial role in maintaining the overall health of the economy, the adverse effects of poorly supervised systems may be quite severe. Without some form of vigilant external oversight, banking systems could fall prey to excessive risk taking, moral hazard, and...