TIME IN PURGATORY: DETERMINANTS OF THE GRANT LAG FOR U.S. PATENT APPLICATIONS
Year of publication: |
2003
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Authors: | Popp, David ; Juhl, Ted ; Johnson, Daniel K.N. |
Published in: |
Working paper / National Bureau of Economic Research, Inc. - Cambridge, Mass, ISSN 0898-2937, ZDB-ID 12239057. - 2003, 9518
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