Taking the Pulse of the Tech Sector: A Coincident Index of High-tech Activity
A new index of the U.S. high-tech sector, drawing upon a range of technology-specific data, has the potential to offer a more timely assessment of economic activity than has been possible to date. The index suggests that while the tech sector has rebounded from its poor performance in the 2000-01 "tech bust," it has not resumed its rapid expansion of the late 1990s.
Link
http://www.newyorkfed.org/research/current_issues/ci9-10.pdf