Firms competitive strategy in industrialised countries is increasingly based on activities such as the inventions of new processes and products, the improvements of the employees skill, the creation of a reputation for company's products. All these actions are intended to increase firms economic...

Firms productivity is crucially influenced by knowledge spillovers generated either by other firms located nearby or by direct contacts with consumers or by foreign demand in the case of traded products. In this paper we propose a new channel of efficiency-enhancing knowledge diffusion, which...