Information Technologies, Economic Growth and Productivity Shocks

Claudio Mattalia
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Claudio Mattalia: UNIVERSITE CATHOLIQUE DE LOUVAIN, Institut de Recherches Economiques et Sociales (IRES) and Universita degli Studi di Torino - Italy

No 2002026, LIDAM Discussion Papers IRES from Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES)

Abstract: This paper develops a multi-sectoral endogenous growth model in order to reproduce some of the essential characteristics of the so-called “ICT Revolution”. The economy consists of four sectors and the most important features are the embodied nature of technological progress, the horizontal differentiation and the “lab-equipment” 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 “lab-equipment” 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.

Keywords: Information Technology; Endogenous Growth (search for similar items in EconPapers)
JEL-codes: C63 E22 O40 (search for similar items in EconPapers)
Pages: 39
Date: 2002-09-01
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:ctl:louvir:2002026

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