Ed Sibley is the Deputy Governor of the Central Bank of Ireland with responsibility for prudential regulation. It’s his job to make sure the banks don’t go bust again.  The Central Bank took the job of prudential regulation back in-house after Patrick Neary’s catastrophic term at the Irish Financial Services Regulatory Authority from 2003-2009. The main tool the Central Bank of Ireland has at its disposal is its implementation of eurozone-wide capital requirement rules. Capital requirement rules dictate how much money a bank has to set aside to cover potential losses. The more risky a bank’s loans are judged to…