The issue of network sharing tends to move into the spotlight whenever a new generation of technology is on the horizon. It is likely to be the focus of particularly intense debate with the advent of 5G, and the idea of a single national network is being discussed again – not just in emerging economies, as happened in 4G, but in European countries like Poland and The Netherlands. Many operators are struggling to find a strong business case for deploying 5G. They have plenty of capacity left in 4G and the services which would really require the capabilities of 5G seem, to many, futuristic or uncertain in the potential for monetization. Yet governments, and some industrial sectors, are impatient for…