The last couple of years have seen an increasing interest in critical loss analysis, both, in academia and in practice. This development is documented by various research papers, high-level exchanges between antitrust experts as well as an increasing number of case decisions which make use of...

The working report looks at the actual situation of the German broadband cable market in the context of merger control and sector specific regulation. A crucial problem in dealing with the cable market whether in antitrust cases or in the regulatory context is the precise assessment of the...

An increasingly important part of contemporary merger control both in the US and the EU is unilateral effects analysis, particularly with regard to oligopolistic mergers. In practice, this requires econometric analyses of past market data and, above all, the construction of simulation models in...

Double and triple play bundled offers are common phenomena in many national communication markets. However the overall market context, technological background of provision, the level of facility based platform competition and strategic role of the bundled offers seems to be different in...

FMS (fixed-to-mobile substitution) has increasingly been echoed within the regulatory agenda of the global and domestic policy actors as the usage of mobile telephony has rapidly exceeded that of the fixed telephony in the last decade. In this line of thinking and upon the drastic changes in...

Anti-trust cases more often than not hinge upon market definition. The anti-trust authorities use standardised tests for the purpose, like the small but significant and nontransitory increase in price test prevalent in US law. These tests are often read as neoclassical economics, watered down to...

An important question in the dynamic European wholesale markets for electricity is whether to define the geographical market at the level of an individual member state or more broadly. We show that if we currently take the traditional approach by considering for each member state whether there...

Firms wanting to move towards solution business models increasingly focus on their customers' value-in-use, and often end up redefining their market around what the solution makes possible for the customer. However, all customers do not accept a value-in-use based approach. Hence, a key...

The development of the broadband market is a key aspect of the economic and social growth of a country. However, despite the importance and the development of broadband market in Portugal in recent years, especially with the explosion of the number of mobile broadband accesses, the studies for...

OTT-messenger such as facebook, WhatsApp have gained wide popularity among mobile users while traffic of text messaging has been in strong decline in several countries. This work is the first to provide an empirical analysis how consumption of OTT-messengers affects demand for text messaging and...