This paper discusses estimation of US inflation volatility using time varying parameter models, in particular whether it should be modelled as a stationary or random walk stochastic process. Specifying inflation volatility as an unbounded process, as implied by the random walk, conflicts with...

We highlight how detrending within Structural Vector Autoregressions (SVAR) is directly linked to the shock identification. Consequences of trend misspecification are investigated using a prototypical Real Business Cycle model as the Data Generating Process. Decomposing the different sources of...

We introduce financial market friction through search and matching in the loan market into a standard New Keynesian model. We reveal that the second order approximation of social welfare includes the terms related to credit, such as credit market tightness, the volume of credit, and the loan...

We investigate a new source of economic stickiness: namely, staggered loan interest rate contracts under monopolistic competition. The paper introduces this mechanism into a standard New Keynesian model. Simulations show that a response to a financial shock is greatly amplified by the staggered...

This paper studies how monetary policy should respond to news about an oil discovery, using a workhorse New Keynesian model. Good news about future production can create a recession today under exchange rate pegs and a simple Taylor rule, as seen in practice. This is explained by forward-looking...