We survey the micro and macro literature on the impact of Information and Communication Technologies (ICTs) on productivity. The “Solow Paradox” of the absence of an impact of ICT on productivity no longer holds, if it ever did. Both growth accounting and econometric evidence suggest an important role for ICTs in accounting for productivity. In fact, the empirical estimates suggest a much larger impact of ICT on productivity than would be expected from the standard neoclassical model that we focus on. We discuss the various explanations for these results, including the popular notion of complementary organizational capital. Finally, we offer suggestions for where the literature needs to go.

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Mirko Draca, Raffaella Sadun and John Van Reenen

August 2006     Paper Number CEPDP0749

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This CEP discussion paper is published under the centre's Growth programme.