This paper takes a look at two areas where the subprime crisis has triggered debate and is paving the way for possible movement towards greater global regulation: international banking supervision and the role of credit rating agencies. It surveys the varied range of opinions on the role that...

This paper studies the relationship between the riskiness of banks' assets and their average risk weight. Banks' initial risk weights explain about half of the variation in projected credit losses in the 2018 European Banking Authority stress test. In contrast to related papers, this paper also...

I study rollover risk in the wholesale funding market when intermediaries can hold liquidity ex ante and are subject to fire sales ex post. Precautionary liquidity restores multiple equilibria in a global rollover game. An intermediate liquidity level supports both the usual run equilibrium and...