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...

Science and technology have been the driving force of development for knowledge-based economies. In particular, as competition in mobile communications technology innovation among countries become more intense, there are growing needs for enhanced judgment, evaluation, and prediction of...

This paper presents a Japanese perspective on measures against online sexual informaiton. A research queistion is set on what kinds of measures are required in order to protect youth from the harmful influence of online sexual informaiton. The paper firstly examines measures initiated by both...

Next generation access networks (NGAN) will support a renewed electronic communication market where main opportunities lie in the provision of ubiquitous broadband connectivity, applications and content. From their deployment it is - much - expected a wealth of innovations. Within this framework...