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Information Channels in Labor Markets. On the Resilience of Referral Hiring

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Author Info
Alessandra Casella (Columbia University)
Nobuyuki Hanaki (Earth Institute, Columbia University)

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Abstract

Economists and sociologists disagree over markets' potential to assume functions typically performed by networks of personal connections, first among them the transmission of information. This paper begins from a model of labor markets where social ties are stronger between similar individuals and firms employing productive workers prefer to rely on personal referrals than to hire on the anonymous market (Montgomery (1991). However, we allow workers in the market to engage in a costly action that can signal their high productivity, and ask whether the possibility of signaling reduces the reliance on the network. We find that the network is remarkably resilient. To be effective signaling must fulfill two contradictory requirements: unless the signal is extremely precise, it must be expensive or it is not informative; but it must be cheap, or the network can undercut it.

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Publisher Info
Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2005.37.

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Date of creation: Mar 2005
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Handle: RePEc:fem:femwpa:2005.37

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Related research
Keywords: Networks; Signaling; Referral hiring; Referral premium;

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Find related papers by JEL classification:
A14 - General Economics and Teaching - - General Economics - - - Sociology of Economics
J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts
D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Samuel Bentolila & Claudio Michelacci & Javier Suarez, 2004. "Social Contacts And Occupational Choice," Working Papers wp2004_06, CEMFI. [Downloadable!]
    Other versions:
  2. Luigi Pistaferri, 1999. "Informal Networks in the Italian Labor Market," Giornale degli Economisti, GDE (Giornale degli Economisti e Annali di Economia), Bocconi University, vol. 58(3-4), pages 355-375, December.
  3. Holzer, Harry J, 1988. "Search Method Use by Unemployed Youth," Journal of Labor Economics, University of Chicago Press, vol. 6(1), pages 1-20, January. [Downloadable!] (restricted)
    Other versions:
  4. Mortensen, Dale T. & Vishwanath, Tara, 1994. "Personal contacts and earnings : It is who you know!," Labour Economics, Elsevier, vol. 1(2), pages 187-201, March. [Downloadable!] (restricted)
    Other versions:
  5. Michele Pellizzari, 2004. "Do Friends and Relatives Really Help in Getting a Good Job?," CEP Discussion Papers dp0623, Centre for Economic Performance, LSE. [Downloadable!]
  6. Montgomery, James D, 1991. "Social Networks and Labor-Market Outcomes: Toward an Economic Analysis," American Economic Review, American Economic Association, vol. 81(5), pages 1407-18, December.
  7. Antoni Calvó-Armengol & Matthew O. Jackson, 2004. "The Effects of Social Networks on Employment and Inequality," American Economic Review, American Economic Association, vol. 94(3), pages 426-454, June. [Downloadable!]
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  8. Greif, Avner, 1993. "Contract Enforceability and Economic Institutions in Early Trade: the Maghribi Traders' Coalition," American Economic Review, American Economic Association, vol. 83(3), pages 525-48, June. [Downloadable!] (restricted)
  9. Kranton, Rachel E, 1996. "Reciprocal Exchange: A Self-Sustaining System," American Economic Review, American Economic Association, vol. 86(4), pages 830-51, September. [Downloadable!] (restricted)
  10. Saloner, Garth, 1985. "Old Boy Networks as Screening Mechanisms," Journal of Labor Economics, University of Chicago Press, vol. 3(3), pages 255-67, July. [Downloadable!] (restricted)
  11. Tassier, Troy & Menczer, Filippo, 2008. "Social network structure, segregation, and equality in a labor market with referral hiring," Journal of Economic Behavior & Organization, Elsevier, vol. 66(3-4), pages 514-528, June. [Downloadable!] (restricted)
  12. Yannis M. Ioannides & Linda Datcher Loury, 2004. "Job Information Networks, Neighborhood Effects, and Inequality," Journal of Economic Literature, American Economic Association, vol. 42(4), pages 1056-1093, December. [Downloadable!] (restricted)
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  13. Greif, Avner, 1994. "Cultural Beliefs and the Organization of Society: A Historical and Theoretical Reflection on Collectivist and Individualist Societies," Journal of Political Economy, University of Chicago Press, vol. 102(5), pages 912-50, October. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Alessandra Casella & Nobuyuki Hanaki, 2006. "Why Personal Ties Cannot Be Bought," American Economic Review, American Economic Association, vol. 96(2), pages 261-264, May. [Downloadable!]
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