What’s New About the New Economy? IT, Economic Growth and Productivity

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Abstract

This article examines the role of information technology (IT) in the extraordinary U.S. economic performance of the 1990s, arguing that the economic effects of IT are better captured by conventional economic analysis than commonly supposed—the impact of IT is larger than before, not fundamentally different in kind. The article reviews IT’s contribution through both aggregate demand (a surge in business investment and consumption) and supply-side channels (TFP acceleration in IT-producing and IT-using industries). The authors conclude that the productivity acceleration is real but that sustainability depends on continued IT-driven efficiency gains across the broader economy.

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