This paper attempts to explain the growth of labour productivity through (inter)national spillovers from R&D and patenting. We develop a model that is tested for Germany, France, the United Kingdom and the United States of America using a new set of panel data for the period 1955 until 1991. The...

This paper investigates the role intangible capital plays for economic growth in different sectors in Germany. It consists of two major parts. In the first part, we aim at measuring investment in intangibles at the sector level. We shed light on differences across sectors but also compare these...