PatsRD: Dynamic Relation Between Patents and R&D
Description
a panel of 346 observations from 1970 to 1979 number of observations : 3460
observation : production units
country : United States
source
Hall, Bronwyn , Zvi Griliches and Jerry Hausman (1986) Patents
and R&D: Is There a Lag?, International Economic Review,
27, 265-283.References
Cameron, A.C. and Trivedi P.K. (1998) Regression analysis of
count data, Cambridge University Press,
http://cameron.econ.ucdavis.edu/racd/racddata.html, chapter 9.Cameron, A.C. and P.K. Trivedi (2005) Microeconometrics :
methods and applications, Cambridge, pp. 792--5.