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Nouvelles technologies et nouvelles formes d'organisation du travail : quelles conséquences pour l'emploi des salariés âgés ?

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Patrick Aubert
Eve Caroli
Muriel Roger

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Abstract

Cet article s'intéresse aux relations entre nouvelles technologies, changements organisationnels et structure par âge de la main-d'oeuvre dans un cadre classique de demande de travail statique. Sous l'hypothèse d'une fonction de coût translog, comme cela est habituel dans ce genre de modèle, nous considérons que les seuls facteurs variables sont, dans un premier temps, les effectifs des différents groupes d'âge puis, dans un second temps, les effectifs des groupes d'âge par qualification. Les données utilisées pour estimer ce modèle sont issues de l'appariement de plusieurs sources : l'enquête Changements Organisationnels et Informatisation (COI), les Déclarations Annuelles des Données Sociales (DADS) et la base des Bénéfices Réels Normaux (BRN). Les résultats des estimations montrent que les salariés âgés représentent une part plus faible de la masse salariale dans les entreprises innovantes. Ce " biais à l'encontre de l'âge " est vérifié également au sein des différentes catégories de qualifications : la qualification ne suffit donc pas à protéger complètement contre les conséquences de l'âge. ### [english abstract: This paper investigates the relationships between new technologies, innovative workplace practices and the age structure of the workforce in a static labour demand framework. As a first step, we assume that, in the short run, the only variable factor is the number of workers in different age groups. We then assume, as a second step that the number of workers by age and skill group may vary. The data we use come from several sources: the Changements Organisationnels et Informatisation survey (COI); the Déclarations Annuelles des Données Sociales (DADS) and the Bénéfices Réels Normaux database (BRN). We find evidence that the wage-bill share of older workers is lower in innovative firms. This age bias affects is also evidenced within occupational groups, thus suggesting that skills do not completely protect workers against the labour-market consequences of ageing.] ###

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Paper provided by PSE (Ecole normale supérieure) in its series PSE Working Papers with number 2005-19.

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Date of creation: 2005
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Handle: RePEc:pse:psecon:2005-19

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  1. Leora Friedberg, 2003. "The impact of technological change on older workers: Evidence from data on computer use," Industrial and Labor Relations Review, ILR Review, ILR School, Cornell University, vol. 56(3), pages 511-529, April.
  2. Heckman, James J., 2000. "Policies to foster human capital," Research in Economics, Elsevier, vol. 54(1), pages 3-56, March. [Downloadable!] (restricted)
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  3. Timothy F. Bresnahan & Erik Brynjolfsson & Lorin M. Hitt, 2002. "Information Technology, Workplace Organization, And The Demand For Skilled Labor: Firm-Level Evidence," The Quarterly Journal of Economics, MIT Press, vol. 117(1), pages 339-376, February. [Downloadable!] (restricted)
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  4. Aubert Patrick & Caroli Eve & Roger Muriel, 2005. "New Technologies, Workplace Organisation and the Age Structure of the Workforce: Firm-Level Evidence," Research Unit Working Papers 0505, Laboratoire d'Economie Appliquee, INRA. [Downloadable!]
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  5. Borghans,Lex & Weel,Bas,ter, 2002. "Do Older Workers Have More Trouble Using a Computer Than Younger Workers?," Research Memoranda 003, Maastricht : ROA, Researchcentrum voor Onderwijs en Arbeidsmarkt. [Downloadable!]
  6. Berman, Eli & Bound, John & Griliches, Zvi, 1994. "Changes in the Demand for Skilled Labor within U.S. Manufacturing: Evidence from the Annual Survey of Manufactures," The Quarterly Journal of Economics, MIT Press, vol. 109(2), pages 367-97, May. [Downloadable!] (restricted)
  7. Eve Caroli & John Van Reenen, 2001. "Skill-Biased Organizational Change? Evidence From A Panel Of British And French Establishments," The Quarterly Journal of Economics, MIT Press, vol. 116(4), pages 1449-1492, November. [Downloadable!] (restricted)
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  8. D Blanchflower & S Burgess, 1996. "New Technology and Jobs: Comparative Evidence from a Two Country Study," CEP Discussion Papers 0285, Centre for Economic Performance, LSE.
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  1. Sandrine Levasseur, 2008. "Progrès technologique et employabilité des seniors," Documents de Travail de l'OFCE 2008-16, Observatoire Francais des Conjonctures Economiques (OFCE). [Downloadable!]
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