The share of knowledge-intensive services and products in total output and demand and in the production of advanced, but also less advanced or emerging economies, has steadily increased over time and especially so for the knowledge-intensive services. This 'quaternization' of the economies not...

The share of knowledge-intensive services and products in total output and demand and in the production of advanced, but also less advanced or emerging economies, has steadily increased over time and especially so for the knowledge-intensive services. This ‘quaternization’ of the economies...