The co-movement of US sovereign rates suggests a long-run equilibrium relationship.Traditional cointegrated systems need to assume that interest rates are unit roots and thus implying non-stationary and non-mean-reverting dynamics. We postulate and estimate a fractional cointegrated model...

Erceg et al. (J Monet Econ 46:281313, 2000) introduce sticky wages in a New-Keynesian general-equilibrium model. Alternatively, it is shown here how wage stickiness may bring unemployment fluctuations into a New-Keynesian model. Using a Bayesian econometric approach, bothmodels are estimated...