Worker Flows and Job Flows: A Quantitative Investigation
43 Pages Posted: 1 Oct 2009 Last revised: 27 Nov 2009
Date Written: November 25, 2009
Worker flows and job flows behave differently over the business cycle. We investigate the sources of the differences by studying quantitative properties of a multiple-worker version of the search/matching model that features endogenous job separation and intra-firm wage bargaining. Our calibration incorporates micro- and macro-level evidence on worker and job flows. We show that the dynamic stochastic equilibrium of the model replicates important cyclical features of worker flows and job flows simultaneously. In particular, the model correctly predicts that hires from unemployment move countercyclically while the job creation rate moves procyclically. The key to this result is to allow for a large hiring flow that does not go through unemployment but is part of job creation, for which procyclicality of the job finding rate dominates its cyclicality. We also show that the model generates large volatilities of unemployment and vacancies when a worker's outside option is at 83% of aggregate labor productivity.
Keywords: Job flows, worker flows, search and matching, business cycles, unemployment, vacancies
JEL Classification: E24, E32, J63, J64
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