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Twin Engines of Growth

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Abstract
We develop an endogenous growth model in which new technology and new skills are bounded complements -- they complement each other to a point, but beyond this the impact of each factor is constrained by the level of the other. As a result, both technological progress and human capital accumulation are necessary for sustained productivity growth, but neither alone is sufficient. Rapid technological progress generates increased returns to education and encourages each generation to spend more time at school. Rapid human capital accumulation increases the feasability and profitability of innovation and encourages the private business sector to allocate more resources towards R&D. Our model has important implications for the effectiveness of alternative growth-promoting policies, for the interpretation of the empirical relationship between growth and schooling, and for the relationship between growth and intergenerational wage dispersion. Nous développons un modèle de croissance endogène dans lequel la nouvelle technologie et les nouvelles compétences sont des compléments limités -- elles se complémentent jusqu'à un certain point, au delà duquel l'impact de chaque facteur est contraint par le niveau de l'autre. Alors, le progrès technologique et l'accumulation de capital humain sont nécessaires les deux pour une croissance soutenue de la productivité, mais aucun n'est suffisant seul. Un progrès technologique rapide génère des rendements croissants de l'éducation et encourage chaque génération à consacrer plus de temps à l'école. Une accumulation rapide de capital humain accroît la faisabilité et la profitabilité de l'innovation et encourage le secteur privé à allouer plus de ressources en recherche et développement. Notre modèle a des implications importantes pour la relation empirique entre croissance et éducation, et pour la relation entre croissance et dispersion intergénérationnelle des salaires.

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  • Huw Lloyd-Ellis & Joanne Roberts, 2000. "Twin Engines of Growth," Cahiers de recherche CREFE / CREFE Working Papers 118, CREFE, Université du Québec à Montréal.
    • Handle: RePEc:cre:crefwp:118
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    Cited by:

    1. Lloyd-Ellis, Huw & Roberts, Joanne, 2002. "Twin Engines of Growth: Skills and Technology as Equal Partners in Balanced Growth," Journal of Economic Growth, Springer, vol. 7(2), pages 87-115, June.
    2. Sergio Scicchitano, 2010. "Complementarity between heterogeneous human capital and R&D: can job-training avoid low development traps?," Empirica, Springer;Austrian Institute for Economic Research;Austrian Economic Association, vol. 37(4), pages 361-380, November.
    3. Carmela Martin & Francisco J. Velazquez & Jorge Crespo., 2001. "The Role of International Technological Spillovers in the Economic Growth of the OECD Countries ," European Economy Group Working Papers 6, European Economy Group.
    4. Stephen Kosempel, 2005. "Capital Mobility in an Open Economy Model with Embodied Productivity Growth," Working Papers 0506, University of Guelph, Department of Economics and Finance.
    5. Chris Papageorgiou, 2002. "Human Capital and Convergence in a Non-Scale R&D Growth Model," Departmental Working Papers 2002-10, Department of Economics, Louisiana State University.
    6. repec:ebl:ecbull:v:15:y:2007:i:2:p:1-11 is not listed on IDEAS
    7. Ha, Joonkyung & Jin Kim, Yong & Lee, Jong-Wha, 2009. "The Optimal Structure of Technology Adoption and Creation: Basic Research vs. Development in the Presence of Distance to Frontier," ADB Economics Working Paper Series 163, Asian Development Bank.
    8. Nicolas Couderc & Nicolas Drouhin & Bruno Ventelou, 2006. "SIDA et croissance économique : le risque d'une « trappe épidémiologique »," Revue d'économie politique, Dalloz, vol. 116(5), pages 697-715.
    9. repec:bla:germec:v:7:y:2006:i::p:87-112 is not listed on IDEAS
    10. Jorge Crespo & Carmela Martín & Francisco J. Velázquez, 2004. "International technology spillovers from trade: the importance of the technological gap," Investigaciones Economicas, Fundación SEPI, vol. 28(3), pages 515-533, September.
    11. Lutz G. Arnold, 2002. "On the Effectiveness of Growth‐Enhancing Policies in a Model of Growth Without Scale Effects," German Economic Review, Verein für Socialpolitik, vol. 3(3), pages 339-346, August.
    12. Laura Diaconu, 2011. "The Role of Innovation for the Economic Growth and Development of the States. The Case of the Emerging Countries," ERSA conference papers ersa11p391, European Regional Science Association.
    13. Luigi Reggi & Sergio Scicchitano, 2011. "European Regions Financing Public e-Services: the Case of EU Structural Funds," Working Papers 1110, University of Urbino Carlo Bo, Department of Economics, Society & Politics - Scientific Committee - L. Stefanini & G. Travaglini, revised 2011.

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    More about this item

    Keywords

    Endogenous technological change; endogenous human capital accumulation; minimum skill requirements; bounded complementarity;
    All these keywords.

    JEL classification:

    • E0 - Macroeconomics and Monetary Economics - - General
    • O1 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development
    • O4 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity

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