This paper uses Granger non{causality tests to analyze if channel competition exists between the companion websites of 93 German newspapers observed between I/1998 and II/2005. It provides econometric evidence for significant negative effects of companion website tra?c on the print circulation...

This paper analyses market efficiency and the role of the virtual location in digital markets using a data set containing more than 23,000 price observations from the online market for contact lenses as well as detailed information about online retailer and product characteristics. The data...

We analyze the relationship between website visits, magazine demand and the demand for advertising pages using Granger non-causality tests on the ba- sis of an extensive and externally audited quarterly data set for the German magazine market spanning the period I/1998 to II/2004. We use...

This paper examines empirically the relationship between innovation and market structure within a simultaneous framework at the industry level of aggregation. We use a model in which R&D affects both, demand and cost conditions. An optimization process leads to optimal industry R&D expenditure...

In dieser Studie werden Gründungen aus Arbeitslosigkeit der Jahre 2003 und 2004 inklusive der seit Anfang 2003 geförderten Ich-AGs auf repräsentativer empirischer Basis analysiert. Es zeigt sich, dass Gründungen aus Arbeitslosigkeit im Durchschnitt kleiner sind als andere Gründungen und...

During the last 20 years, R&D and innovation activities in the service sector have clearly increased. Especially business services are believed to be one of the main drivers of technical changes and economic progress. Looking at the labour indices calculated over the period from 1982 to 1996 one...

The present paper deals with the question whether 'Gibrat's law' is applicable to firms founded between 1989 and 1996 within the Western German manufacturing sector or not. The underlying assumption is that size of a firm has no in uence on its growth. Growth is rather determined by a process of...

This paper explores the ability of European refineries to pass-through costs associated with the introduction of the EU Emissions Trading Scheme (EU ETS). We estimated a sequence of vector error correction models (VECM) within a multi-national setting which covers 14 EU member states. Using...

Price adjustments, particularly the cost pass-through relationships, are at the core of the analysis on how asymmetric climate change policy initiates two channels of carbon leakage: (decreasing) market shares and profit margins. Using advanced time-series techniques, this paper explores the...

This paper empirically analyzes the existence of market power in the global iron ore market during the period 1993-2012 using an innovative Stochastic Frontier Analysis approach introduced by Kumbhakar et al. (2012). In contrast to traditional econometric procedures, this approach allows for the...