This paper provides evidence that superior mobile Internet infrastructure increases take-up of location-based online services. Using data from the largest German online platform for restaurant reviews, I find that upgrading the 2G network to 3G increases the number of restaurant reviews and the...

This volume was prepared by Constantin Mang while he was working at the Ifo Institute. It was completed in 2014 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. It includes a short introduction and four self-contained chapters that focus on ICT...

This volume was prepared by Constantin Mang while he was working at the Ifo Institute. It was completed in 2014 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. It includes a short introduction and four self-contained chapters that focus on ICT...

Die deutsche Telekommunikationspolitik hat in den letzten 15 Jahren vor allem durch angebotsseitige De- und Re-Regulierung viel erreicht: Drastisch sinkende Preise, zusätzliche Auswahl fur Verbraucher, abnehmende Marktkonzentrationen, innovative Dienste und neue Netze kennzeichnen heute die...

Most studies find little to no effect of classroom computers on student achievement. We suggest that this null effect may combine positive effects of computer uses without equivalently effective alternative traditional teaching practices and negative effects of uses that substitute more...

Most studies find little to no effect of classroom computers on student achievement. We suggest that this null effect may combine positive effects of computer uses without equivalently effective alternative traditional teaching practices and negative effects of uses that substitute more...