Klette, T. J., & Griliches, Z. (1998). Empirical patterns of firm growth and R%D investment: A quality ladder model interpretation. National Bureau of Economic Research.
Chicago-viite (17. p.)Klette, Tor Jokob, ja Zvi Griliches. Empirical Patterns of Firm Growth and R%D Investment: A Quality Ladder Model Interpretation. Cambridge: National Bureau of Economic Research, 1998.
MLA-viite (9. p.)Klette, Tor Jokob, ja Zvi Griliches. Empirical Patterns of Firm Growth and R%D Investment: A Quality Ladder Model Interpretation. National Bureau of Economic Research, 1998.
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