It is still an open question whether increasing life expectancy as such is causing higher health care expenditures (HCE) in a population. According to the "red herring" hypothesis, the positive correlation…
User-generated content has proved to be a cheap and surprisingly accurate source of information. Still, little is known about how its producers select the content to which they contribute and how platform…
Information and communication technologies (ICT) play a crucial role in higher education. They modify the scope, the borders and the content of learning. Most of European Universities try to change their…