Using longitudinal time-series data, this paper analyzes the causes of the recent sharp increase in household expenditure on telecommunications in South Korea with a linear approximate almost ideal demand system (LA/AIDS) model. The main results are as follows. First, Korean household demand for...

The Japanese mobile market has recently shown a remarkable growth in the last decade, with more than 106.2 million 3G (3rd Generation, or W-CDMA) subscribers and 4.4 million 2G (2nd Generation, or PDC) as of December 2009. This paper attempts to analyze factors promoting Japanese mobile phone,...

In order to create incentives for Internet traffic providers not to discriminate with respect to certain applications on the basis of network capacity requirements, the concept of market driven network neutrality is introduced. Its basic characteristics are that all applications are bearing the...

Outsourcing is widely associated with accompanied job losses in the outsourcing firm, at least in the short run. However, the medium and long run effects of outsourcing on employment growth might still be positive. This paper particularly focuses on IT outsourcing and its medium-term effects on...

Psychological studies invariably find a positive relationship between violent video game play and aggression. However, these studies cannot account for either aggressive effects of alternative activities video game playing substitutes for or the possible selection of relatively violent people...

We develop a duopoly model with advertising supported platforms and analyze incentives of a superior firm to license its advanced technologies to an inferior rival. We highlight the role of two technologies characteristic for media platforms: The technology to produce content and to place...

Since the beginning of the year 2009 the German press publishers have lobbied for their own neighbouring right which should cover even short snippets of online press articles. The new right should basically protect the press publishers' investments in the online environment. Currently there is...

This papers sheds light on the puzzling evidence that even though open source software (OSS) is a public good, it is developed for free by highly qualified, young and motivated individuals, and evolves at a rapid pace. We show that once OSS development is understood as the private provision of a...

Seit geraumer Zeit wird dem Standort Deutschland eine Unterversorgung mit Wagniskapital diagnostiziert. Die Etablierung eines Wachstumssegments an der Frankfurter Wertpapierbörse und die Unterstützung auf junge Hochtechnologieunternehmen spezialisierter Beteiligungsunternehmen gehören...

Young, radically innovative, growth oriented, and publicly listed high-tech companies in Silicon Valley together with venture capital financiers gave birth to the concept of the ‘Entrepreneurial Business Model’ (EBM). This concept has become central to the debate about the innovative...