"Jack Triplett and Barry Bosworth analyze services sector productivity, demonstrating that fundamental changes have taken place in this sector of the U.S. economy. They show that growth in the services industries fueled the post-1995 expansion in U.S. productivity and assess the role of...

Has the economy fundamentally changed in the 1990s because of the introduction of information technology or is the impact of IT not so much "new" as larger than before? In this article, Barry Bosworth and Jack Triplett of the Brooking Institution examine this issue with a detailed analysis of...