Social Networks and Unraveling in Labor Markets

44 Pages Posted: 6 Oct 2010

See all articles by Itay P Fainmesser

Itay P Fainmesser

Johns Hopkins University - Carey Business School

Date Written: September 30, 2010

Abstract

This paper studies the phenomenon of early hiring in entry-level labor markets (e.g. the market for gastroenterology fellowships and the market for judicial clerks) in the presence of social networks. We offer a two-stage model in which workers in training institutions reveal information on their own ability over time. In the early stage, workers receive a noisy signal about their own ability. The early information is 'soft' and non-verfiiable, and workers can convey the information credibly only to firms that are connected to them (potentially via their mentors). At the second stage, 'hard' verifiable (and accurate) information is revealed to the workers and can be credibly transmitted to all firms. We characterize the effects of changes to the network structure on the unraveling of the market towards early hiring. Moreover, we show that an efficient design of the matching procedure can prevent unraveling.

Keywords: Networks, market design, unraveling, entry-level labor markets, early

JEL Classification: A14, D85, C78, L14

Suggested Citation

Fainmesser, Itay Perah, Social Networks and Unraveling in Labor Markets (September 30, 2010). Available at SSRN: https://ssrn.com/abstract=1687880 or http://dx.doi.org/10.2139/ssrn.1687880

Itay Perah Fainmesser (Contact Author)

Johns Hopkins University - Carey Business School ( email )

100 International Drive
Baltimore, MD 21202
United States

HOME PAGE: http://https://sites.google.com/site/itaypfainmesser/home

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