This paper integrate microfoundations of wage staggering into a simple dynamic general equilibrium model with rational expectations. In this context we show that a permanent increase in money growth leads to a permanent increase in the rate of inflation and a permanent reduction in the level of...

The Friedman rule states that steady-state welfare is maximized when there is deflation at the real rate of interest. Recent work by Khan et al. (2003) uses a richer model but still finds deflation optimal. In an otherwise standard new Keynesian model we show that, if households have hyperbolic...

This paper proposes a non-linear New Keynesian Phillips curve (Inv-L NK Phillips Curve) to explain the surge of inflation in the 2020s. Economic slack is measured as firms' job vacancies over the number of unemployed workers. After showing empirical evidence of statistically significant...

This paper has two aims. First, it provides simple theoretical models that highlight two channels whereby monetary shocks have permanent real effects and the interactions between these channels. Second, it presents an empirical dynamic model, covering a panel of EU countries, and derives the...

This paper shows that the empirically documented disinflationary nature of news shocks is consistent with the implications of a sensibly modified version of a New Keynesian model, even if capital is introduced to the model. The modification proposed in the current paper, however, is different...

This paper reexamines the Phillips and Beveridge curves to explain the inflation surge in the U.S. during the 2020s. We argue that the pre-surge consensus regarding both curves requires substantial revision. We propose that the Inverse-L (INV-L) New Keynesian Phillips Curve replace the standard...

We provide new evidence on the response of real interest rates and inflation to monetary shocks. Our measure of monetary policy shocks is based on unexpected changes in interest rates over a 30-minute window surrounding scheduled Federal Reserve announcements. Our estimates indicate that nominal...

Cash-in-advance models usually require agents to reallocate money and bonds in fixed periods. Every month or quarter, for example. I show that fixed periods underestimate the welfare cost of inflation. I use a model in which agents choose how often they exchange bonds for money. In the benchmark...