We show how to formulate and solve the new Keynesian model in continuous time. In our economy, monopolistic firms engage in infrequent price setting á la Calvo. We introduce shocks for preferences, total factor productivity and government expenditure, and then show how the equilibrium system...

We develop and estimate a structural non-stationary econometric model of job search with monitoring of search effort and sanctions. The earliest moment of the first monitoring is announced several months in advance and the judgement of the caseworker is based on cumulated search effort over a...