This paper explores the role of external knowledge and internal stocks of knowledge in the generation of new technological knowledge. It relies on the notion of recombination and brings together three concepts: the appreciation of current expenses in R&D activities; the analysis of the role of...

We investigate the demand pull effects on sector-level total factor productivity growth. Such effects stem from the knowledge interactions carried by the market transactions of intermediate inputs between competent customers and innovative suppliers. Both knowledge interactions and transactions...

The paper elaborates the notion of innovation as an emerging property of complex system dynamics and presents an agent-based model of an economy where systemic knowledge interactions among heterogeneous agents are crucial for the generation of new technological knowledge and the introduction of...

The analysis of the evolution of the academic chairs of an academic system is a promising area of investigation. The exploration of the evolution of the size and the disciplinary composition of the stock of academic chairs in Italy in the years 1900- 1959 provides an opportunity to understand...