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Internal versus external R&D: a study of R&D choice with sample selection
James H. Love, Stephen Roper
Economics, Finance and Entrepreneurship
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peer-review
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Keyphrases
Cost Equations
20%
D-mode
60%
Determinants of R&D
20%
External R&D
100%
Heckman Two-stage Model
20%
Human Capital
20%
Input Structure
20%
Internal R&D
40%
Internal-external
20%
Manufacturing Plant
20%
Market Structure
40%
Nonlinear Relationship
20%
Physical Capital
20%
Product Innovation
40%
R-Mode
60%
Sample Selection
100%
Scale Factor
20%
Scale Issues
20%
Selection Effect
20%
Structure Condition
20%
Technological Opportunity
40%
Transaction Costs
20%
Two-stage Estimation
20%
UK Manufacturing
20%
Unit Cost
100%
Social Sciences
Human Resources
7%
Market Structure
14%
Research and Development
100%
Sample selection
100%
Sampling
100%
Scientific Activities
7%
Simultaneous Engineering
14%
Transaction Cost
7%
UK
7%
Economics, Econometrics and Finance
Human Capital
20%
Market Structure
40%
New Product Development
40%
Transaction Costs
20%
Unit Costs
100%
Engineering
Internals
100%
Linear Relationship
16%
Manufacturing Plant
16%
Scale Factor
16%