//-->
Empirical patterns of firm growth and R&D investment: a quality ladder model interpretation
Griliches, Zvi, (1999)
The Inconsistency of Common Scales Estimators when Output Prices are Unobserved and Endogenous
Klette, Tor Jakob, (1994)
Empirical Patterns of Firm Growth and R&D Investment: A Quality Ladder Model Interpretation
Klette, Tor Jakob, (1997)