Italian enterprises between the 1970s and the 2010s, the work aims at contributing to the debate about the productivity growth … aims at understanding whether productivity gaps were mainly determined by differences among firms (within-effect) or by … productive sectors and a productivity slowdown affecting almost all industries. In the long run, the reallocation of resources …

productivity - hold for knowledge intensive services. Combining the models of Crepon et al. (1998) and of Ackerberg et al. (2015 …), allows for causal interpretation of the relationship between innovation output and labor productivity. We find that knowledge … productivity. Moreover, the firm size advantage found for manufacturing in previous studies nearly disappears for knowledge …