Nunes, Paulo; Serrasqueiro, Zélia; Leitão, João - In: Journal of Evolutionary Economics 23 (2013) 1, pp. 97-128
Based on a sample of Portuguese SMEs for the period 1999–2006 and using two step estimation, namely probit regressions …) the growth of SMEs seems to be dependent on the nonlinear effects associated with distinct levels of R&D intensity. The … nonlinear effects identified suggest that Portuguese SMEs with high levels of R&D intensity more easily find an efficiency scale …