Central banks have vastly expanded their footprint on capital markets. At a time of extraordinary pressure by many sides, a simple benchmark for the scale and scope of their core mandate of price and financial stability may be useful. We make a case for a narrow mandate to maintain and safeguard...

The recent banking turmoil was a stark reminder of the fragility associated with banks' funding structures, especially when they rely on an insufficiently diverse uninsured deposit base. Concerns about unrealised losses, triggered by the rapid shift in monetary policy, played a clear role in the...