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Empirical patterns of firm growth and R&D investment : a quality ladder model interpretation
Klette, Tor Jakob, (1998)
Empirical Patterns of Firm Growth and R&D Investment: a Quality Ladder Model Interpretation.
Klette, T.J., (1998)
Intel Economics.
Segerstrom, P.S., (1999)
INNOVATION, IMITATION AND ECONOMIC GROWTH.
SEGERSTROM, P.S., (1990)
A Schumpeterian Growth Model with Heterogenous Firms
Minniti, A., (2008)