This paper seeks to understand the interplay between banks, bank regulation, sovereign default risk and central bank guarantees in a monetary union. I assume that banks can use sovereign bonds for repurchase agreements with a common central bank, and that their sovereign partially backs up any...

We analyze the pledging behavior of Euro area banks during the introduction of the liquidity coverage ratio (LCR). The LCR considers only a subset of central bank eligible assets and thereby offers banks an arbitrage opportunity to improve their regulatory ratio by altering their collateral...