The ".zip" files can be uncompressed with winzip or pkunzip. The compression ratio for the compressed files is about 75%. In addition, the character values are enclosed by double quotes. All values in the ASCII CSV files are separated by commas. Lines in the ASCII CSV files are terminated by the newline character "\n". The program read_tpt.sas can be used to convert the. The data are freely available below in two compressed (".zip") formats: SAS transport (.tpt) files and ASCII comma-separated variable (.csv) files. Please contact him if you have questions or comments, or would like to contribute to this project. The PI for this project is Iain Cockburn. SMSAs), and a codification of inventor names. These are anticipated to include "link-out" tables connecting patent numbers to geographic entities (e.g. A variety of additional fields and indexes will also be provided. A new release of these files, bringing existing data up to date through December 2004, is anticipated for 2010 or 2011.
#Stat transfer free download update
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.International Finance and Macroeconomics.
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