We develop a measure of systemic importance that accounts for the extent to which a bank propagates shocks across the banking system and is vulnerable to propagated shocks. Based on Shapley values, this measure gauges the contribution of interconnected banks to systemic risk, in contrast to...

Standalone ratings measure a bank's intrinsic financial strength but – unlike all-in ratings – do not incorporate potential sovereign or parent-bank support. On July 20, 2011, Fitch switched from a 9-point to a 21-point scale for their standalone ratings but did not alter their all-in...

We use tools of extreme value theory to extract information about rare events from market prices. We find that such information contributes materially to measures of banks' systemic importance. These measures exhibit strong and intuitive relationships with simple characteristics of banks'...