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Quantifying the Impact of ICT Capital on Output Growth: A Heterogeneous Dynamic Panel Approach

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  • Mary O'Mahony
  • Michela Vecchi

Abstract

Using industry data for the United States and the United Kingdom, we provide new evidence on the impact of information and communications technology (ICT) capital on real output growth. The traditional industry panel data analysis fails to find a positive contribution. We argue that this is due to heterogeneity across industries, particularly in the time dimension. Pooling the data for the two countries and using a dynamic panel data estimation method yield a positive and significant effect of ICT on output growth. Individual country estimates suggest a strong impact in the United States, while results are less conclusive in the United Kingdom. Copyright (c) The London School of Economics and Political Science 2005.

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  • Mary O'Mahony & Michela Vecchi, 2005. "Quantifying the Impact of ICT Capital on Output Growth: A Heterogeneous Dynamic Panel Approach," Economica, London School of Economics and Political Science, vol. 72(288), pages 615-633, November.
  • Handle: RePEc:bla:econom:v:72:y:2005:i:288:p:615-633
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    1. Paul Schreyer, 2000. "The Contribution of Information and Communication Technology to Output Growth: A Study of the G7 Countries," OECD Science, Technology and Industry Working Papers 2000/2, OECD Publishing.
    2. Susanto Basu & John G. Fernald & Nicholas Oulton & Sylaja Srinivasan, 2003. "The case of the missing productivity growth: or, does information technology explain why productivity accelerated in the United States but not the United Kingdom?," Working Paper Series WP-03-08, Federal Reserve Bank of Chicago.
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