The current development of fifth generation of mobile communications technology, known as 5G, has triggered intense discussions about proper spectrum assignment procedures to accommodate 5G spectrum needs (LStelcom et al., 2017). In particular, spectrum scarcity and lengthy processes to remove...

Productivity growth and in particular the significant acceleration of productivity growth in the US economy in the second half of the 1990’s, raised high expectations that the massive investment in ICT-capital goods had finally had its impact on the whole US economy. Numerous growth accounting...