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Studies in Nonlinear Dynamics & Econometrics

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Technological Adoption with Imperfect Markets in the Italian Economy

Enrico Saltari1 / Clifford R. Wymer2 / Daniela Federici3 / Marilena Giannetti4

1Università degli Studi di Roma “La Sapienza”,

2Università degli Studi di Roma “La Sapienza”,

3Università degli studi di Cassino,

4Università degli Studi di Roma “La Sapienza”,

Citation Information: Studies in Nonlinear Dynamics & Econometrics. Volume 16, Issue 2, ISSN (Online) 1558-3708, DOI: 10.1515/1558-3708.1934, April 2012

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The last twenty years have seen a marked slowdown of the Italian productivity growth rate. The literature has underlined the role of international factors, such as globalization and adoption of the euro. In this paper we emphasize the role and dynamics of capital accumulation investigating the impact of the introduction of information technology on capital and production in the Italian economy and the extent to which that is being affected by skills in the labour force.The model is specified and estimated as continuous-time general disequilibrium framework. It presents original features: it analyzes the effects of the introduction of the ICT technology on the Italian economy not in a partial equilibrium context of a single market but from a macro point of view where input markets interact; it does not assume that these markets instantaneously clear but rather that there are imperfections and frictions; it does not impose the condition that the economy necessarily converges to a steady state. The model behaves quite well in replicating the dynamics of the Italian economy. It also shows however that there remains some structural inefficiency that worsened in recent years. In fact, our main finding shows that there exists a permanent gap between “optimal” and actual output which increased in the latter part of the sample period. While a fraction of this gap can be attributed to unavoidable (market and non market) adjustment costs some is associated to efficiency losses.

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