No abstract available.

No abstract available.

No abstract available.

The significant increase of internet traffic is to a large extent caused by more high-data-rate applications like file-sharing etc. Although network operators constantly increase router and line capacities, overload occurs from time to time, causing delays, jitter and packet-losses at the data...

No abstract available.

No abstract available.

This paper analyzes the impact of different payment regimes for mobileto- mobile off-net calls on the diffusion of mobile telephony, using data on 84 countries from all over the world. Since the decision whether or not countries are likely to switch from RPP to CPP is not independent from...

No abstract available.

No abstract available.

No abstract available.