The framework of a general equilibrium heterogeneous agents model is used to study the optimal design of an unemployment insurance scheme and the voting behaviour on unemployment policy reforms. Agents, who have a limited lifetime and participate in the labour market until they reach the...

We estimate a time-varying coefficient VAR model for the U.S. economy to analyse (i) if the effect of monetary policy on output has been changing systematically over time, and (ii) if monetary policy has asymmetric effects over the business cycle. We find that the impact of monetary policy...

Over the years, optimal taxation has been extensively discussed, and a major focus has been on the question of whether the optimal capital income tax rate is zero in long-run equilibrium. This paper addresses this issue in the context of a model of vintage capital with technical change and the...

We investigate return predictability and the implied intertemporal hedging demands for stocks and bonds in the U.S., Australia, Canada, France, Germany, Italy, and U.K. We first estimate predictive regression models for domestic bill, stock, and bond returns in each country, where returns depend...

This paper presents the course "Doing Economics with the Computer" we taught since 1999 at the University of Bern, Switzerland. "Doing Economics with the Computer" is a course we designed to introduce sophomores playfully and painlessly into computational economics. Computational methods are...

I estimate, using real-time data, a forward-looking monetary policy reaction function that is dynamic and that also accounts for the fact that there are substantial restrictions in the period-to-period changes of the Fed's policy instrument. I find a substantial contrast between the periods...

We study optimal monetary policy in two prototype economies with sticky prices and credit market frictions. In the first economy, credit frictions apply to the financing of the capital stock, generate acceleration in response to shocks and the "financial markup" (i.e., the premium on external...

We investigate an inflationary overlapping generations model where households predict future inflation rates by running a least squares regression of inflation rates or prices on their past levels. We critically examine the results on learning equilibria obtained by Bullard (1994) and...

In this paper we concentrate on the hypothesis that the empirical rejections of the Expectations Theory(ET) of the term structure of interest rates can be caused by improper modelling of expectations. Our starting point is an interesting anomaly found by Campbell-Shiller(1987), when by taking a...

I ask whether differences in labor market performance between the US and Europe can be attributed to an interaction between employment protection legislation (EPL) and an acceleration in the rate of capital-embodied technical change associated with the advent of information technologies. I find...