The NBER is working on a major NSF-funded update and extension of this data. The CUSIP match is based on the 1989 universe of companies "The NBER Patent Citation Data File: Lessons, Insights and Methodological Tools." NBER Working Paper 8498.ĪLL USERS OF THESE DATA SHOULD READ THIS PAPER, AND SHOULD CITE IT AS THE SOURCE OF THE DATAįurther documentation on uses of the patent citation data, including the methodology paper and a CD containing the complete dataset itself, is available in the book Patents, Citations and Innovations: A Window on the Knowledge Economy by Adam Jaffe and Manuel Trajtenberg, MIT Press, Cambridge (2002). Transportation Economics in the 21st Century.Training Program in Aging and Health Economics.The Roybal Center for Behavior Change in Health.Retirement and Disability Research Center.Measuring the Clinical and Economic Outcomes Associated with Delivery Systems.Improving Health Outcomes for an Aging Population.Early Indicators of Later Work Levels, Disease and Death.Conference on Research in Income and Wealth.Boosting Grant Applications from Faculty at MSIs.Productivity, Innovation, and Entrepreneurship.
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