Continuous innovations of smartphone attributes and increasing product usage call for better understanding of the attributes that matter most to customers. This study employs Kano's model for classifying smartphone attributes into various categories and examines the influence of those attributes...

Most studies on beta estimation look at the whole universe of stocks. We focus on a small subset that consists of stocks of companies which are subject to European network regulation. This allows us to examine beta time series of individual stocks and small peer groups in great detail. Our most...

Digitization-related services and applications are based on the information and communications technology (ICT) ecosystem and encompass almost all areas of society and economic sectors nowadays and exert numerous opposing effects in regard to electricity consumption and corresponding CO2...

This discussion paper seeks to contribute to the Brazilian urban development debate by analyzing the recent legislation that institutes the Casa Verde Amarela social housing program (CVA). Created in 2020, CVA arose from a provisory executive order (MP 996, of August 25) reformed on January 12,...

Considerations on the optimal approach for managing spectrum are currently at the forefront of the debate around the 5925-7125 MHz frequency range (the '6 GHz band'), as Governments decide how best to manage this spectrum over the coming decades. We apply a cost-benefit analysis, using a supply...

We evaluate the impact of competition on investments in Europe's mobile communications market during the 2011-2021 period. There are stark and sustained differences in market outcomes between three- and four-player markets in Europe, and economic theory suggests these could be partly explained...

Digitization related services and applications are based on the information and comm unications technology (ICT) ecosystem and encompass almost all areas of society and economic sectors nowadays and exert numerous opposing effects in regard to electricity c onsumption and corresponding CO2...

Technology standards such as the Wi-Fi or 5G mobile communication standard rely on standard-essential patents (SEPs). Increasing licensing revenues and several disputes between owners and users of SEPs raise the question about the patenting behavior of firms developing standardized technologies....

This paper studies the effects of infrastructure sharing agreements on telecommunications markets. Using a model with an investment stage where firms compete" 'a la Cournot", I find that, infrastructure sharing agreements increase investment at industry level. Indeed, the sharing of...

Mit der zum 1. Dezember 2021 in Kraft getretenen Novelle des Telekommunikationsgesetzes (TKG) ist der Vorrang der Versteigerung als Regelvergabeverfahren für Frequenzen bei Knappheit aufgehoben worden. Das TKG sieht zwei mögliche Vergabeverfahren für Frequenzen bei Knappheit vor: die...