"The recent financial crisis 2007-2009 was the longest and the deepest recession since the Great Depression of 1930. The crisis that originated in subprime mortgage markets was spread and amplified through globalised financial markets and resulted in severe debt crises in several European...

We propose a simple model of the sovereign-bank diabolic loop, and establish four results. First, the diabolic loop can be avoided by restricting banks' domestic sovereign exposures relative to their equity. Second, equity requirements can be lowered if banks only hold senior domestic sovereign...

The euro crisis was fueled by the diabolic loop between sovereign risk and bank risk, coupled with cross-border flight-to-safety capital flows. European Safe Bonds (ESBies), a union-wide safe asset without joint liability, would help to resolve these problems. We make three contributions. First,...