PatentsRD: Patents, R&D and Technological Spillovers for a Panel of...
In Ecdat: Data Sets for Econometrics
Description
Usage
Format
Source
References
See Also
Description
a panel of 181 observations from 1983 to 1991
number of observations : 1629
observation : production units
country : world
Usage
1
Format
A dataframe containing :
- year
year
- fi
firm's id
- sector
firm's main industry sector, one of aero (aerospace), chem (chemistry), comput (computer), drugs, elec (electricity), food, fuel (fuel and mining), glass, instr (instruments), machin (machinery), metals, other, paper, soft (software), motor (motor vehicles)
- geo
geographic area, one of eu (European Union), japan, usa, rotw (rest of the world)
- patent
numbers of European patent applications
- rdexp
log of R\&D expenditures
- spil
log of spillovers
Source
Cincer, Michele (1997) “Patents, R \& D and technological spillovers at the firm level : some evidence from econometric count models for panel data”, Journal of Applied Econometrics, 12(3), may–june, 265–280.
References
Journal of Applied Econometrics data archive : http://qed.econ.queensu.ca/jae/.
Verbeek, Marno (2004) A Guide to Modern Econometrics, John Wiley and Sons, chapter 7.
See Also
Index.Source, Index.Economics, Index.Econometrics, Index.Observations,
Ecdat documentation built on May 3, 2019, 1:24 p.m.
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Description Usage Format Source References See Also
Description
a panel of 181 observations from 1983 to 1991
number of observations : 1629
observation : production units
country : world
Usage
1 |
Format
A dataframe containing :
- year
year
- fi
firm's id
- sector
firm's main industry sector, one of aero (aerospace), chem (chemistry), comput (computer), drugs, elec (electricity), food, fuel (fuel and mining), glass, instr (instruments), machin (machinery), metals, other, paper, soft (software), motor (motor vehicles)
- geo
geographic area, one of eu (European Union), japan, usa, rotw (rest of the world)
- patent
numbers of European patent applications
- rdexp
log of R\&D expenditures
- spil
log of spillovers
Source
Cincer, Michele (1997) “Patents, R \& D and technological spillovers at the firm level : some evidence from econometric count models for panel data”, Journal of Applied Econometrics, 12(3), may–june, 265–280.
References
Journal of Applied Econometrics data archive : http://qed.econ.queensu.ca/jae/. Verbeek, Marno (2004) A Guide to Modern Econometrics, John Wiley and Sons, chapter 7.
See Also
Index.Source, Index.Economics, Index.Econometrics, Index.Observations,
R Package Documentation
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