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On-the-job learning and earnings in Benin, Morocco and Senegal

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  • Christophe Nordman

    ()
    (DIAL, IRD, Paris)

  • François-Charles Wolff

    ()
    (LEN, Université de Nantes, CNAV, INED)

Abstract

(english) In this paper, we consider a model of on-the-job learning where workers learn informally by watching and imitating colleagues. We estimate the rate of knowledge diffusion inside the firm using three matched worker-firm data sets from Benin, Morocco and Senegal. We rely on non-linear least squares to estimate the structural parameters of the informal learning model and account for unobserved firm heterogeneity using firm factors derived from a principal component analysis. We find that the rate of knowledge diffusion is around 7 percent in Morocco and Senegal and much higher in Benin, but part of the learning-bywatching returns stems from firm heterogeneity. Informal training significantly affects the shape of returns to tenure in African countries. Finally, we estimate an extended model with both learning-by-watching and learning-by-doing and find significant benefits from imitating colleagues in Morocco.

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Bibliographic Info

Paper provided by DIAL (Développement, Institutions et Mondialisation) in its series Working Papers with number DT/2007/09.

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Length: 37 pages
Date of creation: Jul 2007
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Handle: RePEc:dia:wpaper:dt200709

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Keywords: Earnings functions; informal training; learning-by-watching; learning-by-doing; returns to tenure; African countries;

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  1. Jacob A. Mincer, 1974. "Schooling, Experience, and Earnings," NBER Books, National Bureau of Economic Research, Inc, number minc74-1, July.
  2. T. Paul Schultz, 2004. "Evidence of Returns to Schooling in Africa from Household Surveys: Monitoring and Restructuring the Market for Education," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 13(02), pages ii95-ii148, December.
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  4. Harley Frazis & Mark A. Loewenstein, 2005. "Reexamining the Returns to Training: Functional Form, Magnitude, and Interpretation," Journal of Human Resources, University of Wisconsin Press, vol. 40(2).
  5. Måns Söderbom & Francis Teal & Anthony Wambugu & Godius Kahyarara, 2004. "The Dynamics of Returns to Education in Kenyan and Tanzanian Manufacturing," Development and Comp Systems 0409041, EconWPA.
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  7. Jacob A. Mincer, 1974. "Introduction to "Schooling, Experience, and Earnings"," NBER Chapters, in: Schooling, Experience, and Earnings, pages 1-4 National Bureau of Economic Research, Inc.
  8. Jellal, Mohamed & Nordman, Christophe & wolff, François charles, 2008. "Evidence on the glass ceiling effect in France using matched worker-firm data," MPRA Paper 38590, University Library of Munich, Germany.
  9. Murphy, Kevin M & Welch, Finis, 1990. "Empirical Age-Earnings Profiles," Journal of Labor Economics, University of Chicago Press, vol. 8(2), pages 202-29, April.
  10. Christophe J. Nordman & François-Charles Wolff, 2007. "Is There A Glass Ceiling in Morocco? Evidence from Matched Worker-Firm Data," Working Papers 0720, Economic Research Forum, revised Dec 2007.
  11. Card, David, 1999. "The causal effect of education on earnings," Handbook of Labor Economics, in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 3, chapter 30, pages 1801-1863 Elsevier.
  12. Barron, John M & Berger, Mark C & Black, Dan A, 1997. "How Well Do We Measure Training?," Journal of Labor Economics, University of Chicago Press, vol. 15(3), pages 507-28, July.
  13. Jacob Mincer, 1989. "Job Training: Costs, Returns, and Wage Profiles," NBER Working Papers 3208, National Bureau of Economic Research, Inc.
  14. Trostel, Philip & Walker, Ian & Woolley, Paul, 2002. "Estimates of the economic return to schooling for 28 countries," Labour Economics, Elsevier, vol. 9(1), pages 1-16, February.
  15. Chennouf, Soheïl & Lévy-Garboua, Louis & Montmarquette, Claude, 1997. "Les effets de l’appartenance à un groupe de travail sur les salaires individuels," L'Actualité Economique, Société Canadienne de Science Economique, vol. 73(1), pages 207-232, mars-juin.
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