Applications such as iMessage, KakaoTalk, LINE, Signal, Skype, Snapchat, Threema, Viber, WhatsApp and WeChat have become an increasingly popular means of personal and business interaction. Surprisingly little academic effort has gone into understanding the nature and origin of these...

Some COST 605 Action participating countries have contributed to a survey on the above subject. The focus is on: 1) social parameters , demographics / employment:/income of needy/poor people, and for measured or assumed mobile service usage and spending 2) cases of individual or groups of needy...

This keynote presentation from the COST605 WG2 public workshop on "Mobile communications for the poor and needy", Lisbon, November 2008, gives definitions and an overview about how mobile communications and appropriate tariffs can help this disfavoured group. Statistical data are provided mostly...

Prescott (2004) argues that Europeans work much less than Americans because of higher taxes and that they would gain significantly by charging US taxes and working as much as Americans. I argue that the opposite may be true and that Americans work more than Europeans due to a coordination...

This paper investigates price differences between online and offline retail channels in the EU Digital Single Market. Using price and sales data for ten household appliances product categories sold both offline and online in 21 EU countries in 2009, and correcting for product characteristics, we...