One of the strongest trends in recent macroeconomic modeling of labor market fluctuations is to treat unemployment … Unemployment," i.e., the extent to which increased unemployment during a recession arises from an increase in the number of … unemployment spells versus an increase in their duration. After broadly reviewing the previous literature, we replicate and extend …

We propose a monetary model in which the unemployed satisfy the official US definition of unemployment: they are people ….e., unemployment is 'involuntary'). We integrate our model of involuntary unemployment into the simple New Keynesian framework with no … capital and use the resulting model to discuss the concept of the 'non-accelerating inflation rate of unemployment'. We then …

a burst of layoffs. Unemployment rises because jobs are hard to find, not because an unusual number of people are thrown … into unemployment …

-cycle-frequency fluctuations in unemployment and job vacancies in response to shocks of a plausible magnitude. In the U.S., the vacancy-unemployment … vacancy-unemployment ratio and labor productivity have nearly the same variance. I establish this claim both using analytical … small movement along a downward sloping Beveridge curve (unemployment-vacancy locus). A shock to the job destruction rate …

In recessions, unemployment increases despite the--perhaps counterintuitive--fact that the number of unemployed workers … finding jobs expands. We propose a theory of unemployment fluctuations resting on this countercyclicality of gross flows from … unemployment into employment. In recessions, the abundance of new hires "congests" the jobs the unemployed fill--diminishing their …

unemployment benefits …

We propose that the natural rate of unemployment has an active role in the business cycle, in contrast to the … Phillips-curve framework of low---often extremely low---response of inflation to unemployment could be the result of fairly … most Phillips-curve studies, that conclude that inflation has little relation to unemployment. We suggest that the flat …

New data compel a new view of events in the labor market during a recession. Unemployment rises almost entirely because … finding from new data is that a large fraction of workers departing jobs move to new jobs without intervening unemployment. I …