
Econometric Models for Count Data with an Application to the Patents-R&D Relationship
Author(s) -
Jerry A. Hausman,
Bronwyn H. Hall,
Zvi Griliches
Publication year - 1984
Language(s) - English
Resource type - Reports
DOI - 10.3386/t0017
Subject(s) - count data , econometrics , economics , statistics , econometric model , mathematics , poisson distribution