This paper studies whether dynamic term structure models for US nominal bond yields should enforce the zero lower bound by a quadratic policy rate or a shadow rate specification. We address the question by estimating quadratic term structure models (QTSMs) and shadow rate models (SRMs) with at...

We use a no-arbitrage shadow rate term structure model to estimate investors' views about the timing of monetary policy ‘lift-off' in the United Kingdom over time. Our estimates show that when the UK policy rate was first cut to 0.5%, in March 2009, investors believed that it would remain at...