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Working Paper
Job Heterogeneity and Aggregate Labor Market Fluctuations
This paper disciplines a model with search over match quality using microeconomic evidence on worker mobility patterns and wage dynamics. In addition to capturing these individual data, the model provides an explanation for aggregate labor market patterns. Poor match quality among first jobs implies large fluctuations in unemployment due to a responsive job destruction margin. Endogenous job destruction generates a burst of layoffs at the onset of a recession and, together with on-the-job search, generates a negative comovement between unemployment and vacancies. A significant job ladder, ...
Working Paper
Job Ladders and Earnings of Displaced Workers
Workers who suffer job displacement experience surprisingly large and persistent earnings losses. This paper proposes an explanation for this robust empirical puzzle in a model of search over match-quality with a significant job ladder. In addition to capturing the depth and persistence of displaced-worker-earnings losses, the model is able to match a) separation rates by tenure; b) the empirical decomposition of earnings losses into reduced wages and employment; c) observed wage dispersion; d) the pattern of employer-to-employer transitions after layoff, and e) the degree of serial ...