Read All about It!! What Happens Following a Technology Shock?
提出基于技术类书籍出版量的新指标来识别技术冲击，发现正向技术冲击后全要素生产率、投资和劳动力均上升，信息技术是二战后经济波动的重要来源。
Existing indicators of technical change are plagued by shortcomings. I present new measures based on books published in the field of technology that resolve many of these problems and use them to identify the impact of technology shocks on economic activity. They are positively linked to changes in R&D and scientific knowledge, and capture the new technologies' commercialization dates. Changes in information technology are found to be important sources of economic fluctuations in the post-WWII period, and total factor productivity, investment, and, to a lesser extent, labor are all shown to increase following a positive technology shock.