[3]
On nonparametric estimation of the Schumpeterian link between innovation and firm size: Evidence from Belgium, France, and Germany[J] . Irene Bertschek,Horst Entorf.Empirical Economics . 1996 (3)
[3]
On nonparametric estimation of the Schumpeterian link between innovation and firm size: Evidence from Belgium, France, and Germany[J] . Irene Bertschek,Horst Entorf.Empirical Economics . 1996 (3)