Measuring (in a time of crisis) the impact of broadband connections on economic growth: an OECD panel analysis

Angelo Castaldo, Alessandro Fiorini and Bernardo Maggi

Applied Economics, 2018, vol. 50, issue 8, 838-854

Abstract: Technological innovation has always been considered a major stimulus for economic growth. High-speed internet access via broadband infrastructure has undergone rapid development since the end of the 1990s, thanks to the deployment of both fixed and mobile technologies. The present study investigates the impact of fixed broadband diffusion as a technological determinant of economic growth on the basis of a panel of 23 OECD countries over 15 years (1996–2010). The time horizon chosen is suitable for verification of the causal effect on growth of the transition from traditional copper to partially fibre networks. Through implementation of a dynamic panel by using the generalized method of moments (GMM) combined with an instrumental variable (IV) two-stage approach, we found a positive correlation between broadband diffusion and economic growth, even after controlling for countries initial endowment of information and communication technologies (ICT) and for the years of economic crisis. Our main finding provides evidence, through a continuous time interpretation of our estimations, of a quantitatively relevant relationship between broadband diffusion and economic dynamics in the short, medium and long runs. Our findings may be useful to policy makers in that they permit forecasting of the benefits of further transition from broadband to ultra-wide broadband networks.

Date: 2018
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Citations: View citations in EconPapers (28)

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Working Paper: Measuring (in a time of crisis) the impact of broadband connections on economic growth: an OECD panel analysis (2016)
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DOI: 10.1080/00036846.2017.1343448

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