Ultra-low interest rates have become an endemic and potentially problematic characteristic of the global economy. Central banks in the euro area, the United States, Japan and Australia have bet on lowering interest rates to increase inflation, but despite their efforts, core inflation remains...

Collateral plays a central role in monetary policy. In recent years, its importance has increased as uncollateralised inter-bank borrowing has gradually been replaced by collateralised central bank lending. This has in turn affected collateral availability and the need for high-quality assets....