ESTIMATING THE INNOVATION FUNCTION FROM PATENT NUMBERS: GMM ON COUNT PANEL DATA

• 1 May 1997
• journal article
• research article
• Published by Wiley in Journal of Applied Econometrics
• Vol. 12  (3) , 243-263
• https://doi.org/10.1002/(sici)1099-1255(199705)12:3<243::aid-jae444>3.0.co;2-4

Abstract

Keywords

• SERIAL CORRELATION
• FIXED EFFECTS
• COUNT DATA
• PANEL DATA