Audretsch, David B.; Hafenstein, Marian; Kritikos, Alexander - 2018
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 …
