This paper studies the impact of the early adoption of one of the most important high-technology machines in history, the public mechanical clock, on long-run growth in Europe. We avoid endo-geneity by considering the relationship between the adoption of clocks with an instrument based on the...

Using sectoral intangible investment data we confirm that intangible capital is a significant determinant of labour productivity growth. The sectoral setting further allows us to identify the differential impacts of intangible capital across industries with varying degrees of ICT intensity....