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 and dynamic estimators, this study makes two important contributions to the literature: (i) identification of a quadratic relationship between R&D intensity and SME growth...