The European Council's decisions to implement the De Larosiere recommendations for a reformed approach to micro-level financial supervision and a new European Systemic Risk Board (ESRB) are to be welcomed. The ECB's central role in the ESRB is also to be welcomed. However, the limited role...

Currency unions limit the ability of the central bank to use interest rate policy to accommodate asymmetric shocks. I show that collateral policy can serve to dampen asymmetric shocks in a currency area when these shocks also affect the collateral held by banks and when collateral portfolios of...

We study determinants of sovereign portfolios of Spanish banks over a long time-span, starting in 2008. Our findings challenge the view that banks engaged in moral hazard strategies to exploit the regulatory treatment of sovereign exposures. In particular, we show that being a weakly capitalized...