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Information Technologies, Economic Growth and Productivity Shocks

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Author Info
Claudio MATTALIA (UNIVERSITE CATHOLIQUE DE LOUVAIN, Institut de Recherches Economiques et Sociales (IRES) and Universita degli Studi di Torino - Italy)
Abstract

This paper develops a multi-sectoral endogenous growth model in order to reproduce some of the essential characteristics of the so-called ÒICT RevolutionÓ. The economy consists of four sectors and the most important features are the embodied nature of technological progress, the horizontal differentiation and the Òlab-equipmentÓ specification of R&D. After the description of the different sectors, the equilibrium conditions are obtained, the balanced growth path is characterized analytically and the corresponding steady state system is derived. From this system some analytical results can be obtained, in particular it turns out that shocks on the productivity of the different sectors have permanent effects on long-term growth (contrary to the version of the model without the Òlab-equipmentÓ assumption, where only a shock on the productivity of the R&D sector influences long-term growth). These results are confirmed, in the last part of the paper, by the numerical simulation of the model, that allows also to analyse the short-run response of the system to the different shocks that can hit the economy and to study the robustness of the model.

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Paper provided by Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES) in its series Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) with number 2002026.

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Length: 39
Date of creation: 01 Sep 2002
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Handle: RePEc:ctl:louvir:2002026

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Related research
Keywords: Information Technology; Endogenous Growth;

Find related papers by JEL classification:
E22 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Capital; Investment; Capacity
O40 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General
C63 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming - - - Computational Techniques

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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. Jeremy Greenwood & Boyan Jovanovic, 1998. "Accounting for Growth," NBER Working Papers 6647, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
    • Jeremy Greenwood & Boyan Jovanovic, 2000. "Accounting for Growth," RCER Working Papers 475, University of Rochester - Center for Economic Research (RCER). [Downloadable!]
    • Jeremy Greenwood & Boyan Jovanovic, 2001. "Accounting for Growth," NBER Chapters, in: New Developments in Productivity Analysis, pages 179-224 National Bureau of Economic Research, Inc. [Downloadable!]
  2. Greenwood, J. & Jovanovic, B., 1999. "The IT Revolution and the Stock Market," RCER Working Papers 460, University of Rochester - Center for Economic Research (RCER). [Downloadable!]
    Other versions:
  3. Romer, Paul M, 1990. "Endogenous Technological Change," Journal of Political Economy, University of Chicago Press, vol. 98(5), pages S71-102, October. [Downloadable!] (restricted)
    Other versions:
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  1. Claudio, MATTALIA, 2005. "Human Capital Accumulation in R&D-based Growth Models," Discussion Papers (ECON - Département des Sciences Economiques) 2005046, Université catholique de Louvain, Département des Sciences Economiques. [Downloadable!]
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