patents_rd: Dynamic Relation Between Patents and R&D
In ycroissant/pglm: Panel Generalized Linear Models
patents_rd R Documentation
Dynamic Relation Between Patents and R&D
Description
yearly observations of 346 production units
Format
a tibble containing:
cusip: Compustat's identifying number for the firm
year: year
ardssic: a two-digit code for the applied R
scisect: is the firm in the scientific sector ?
capital72: book value of capital in 1972
sumpat: the sum of patents applied for between 1972-1979
rd: R and D spending during the year (in 1972 dollars)
patents: the number of patents applied for during the year that were eventually granted
Source
http://cameron.econ.ucdavis.edu/racd/racddata.html, chapter 9.
References
\insertRefHALL:GRIL:HAUS:86pglm
ycroissant/pglm documentation built on Dec. 8, 2023, 4:54 a.m.
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| patents_rd | R Documentation |
Dynamic Relation Between Patents and R&D
Description
yearly observations of 346 production units
Format
a tibble containing:
cusip: Compustat's identifying number for the firm
year: year
ardssic: a two-digit code for the applied R
scisect: is the firm in the scientific sector ?
capital72: book value of capital in 1972
sumpat: the sum of patents applied for between 1972-1979
rd: R and D spending during the year (in 1972 dollars)
patents: the number of patents applied for during the year that were eventually granted
Source
http://cameron.econ.ucdavis.edu/racd/racddata.html, chapter 9.
References
\insertRefHALL:GRIL:HAUS:86pglm
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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