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...

Where is your mobile coming from? This simple question is not easy to answer as the mobile has been assembled using components from different countries (including the domestic) and by using services from the domestic and foreign economies. This multi-country nature of products is not only a...