Efficiency of Simultaneous Search
46 Pages Posted: 9 Feb 2008
Date Written: January 2008
Abstract
We analyze a labor search model in which workers choose their search intensity by deciding how often and where to apply for jobs. They observe firms' wage postings prior to their decision. Due to coordination frictions a firm may not receive any applications; otherwise it is able to hire unless all its applicants have better offers. We show that in equilibrium the entry of firms, the search intensity and the number of filled vacancies are constrained efficient. Wage dispersion creates an (endogenous) safety net against unemployment that is essential for efficiency. As application costs vanish the equilibrium becomes unconstrained efficient.
Keywords: simultaneous search, directed search, efficient wage dispersion, modified Hosios condition, search with stable matchings
JEL Classification: J64, C78, D85
Suggested Citation: Suggested Citation
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