This paper examines the relation between crowd support and home advantage in professional football in making use of a unique “natural experiment” induced by restrictions due to the Corona pandemic: so-called ghost games in the top three German football divisions during the 2019/2020 season....

Globalization has provided many companies with new opportunities for growth and efficiency. This requires them to operate successfully across cultural and social borders. These can be stumbling blocks to internationalization and have been found to cause frequent errors and delays for...

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 traffic on the print circulation...

This paper analyzes the persistence of firms' exporting behavior in a panel of West German manufacturing firms. Dynamic binary choice models allow us to distinguish between true and spurious state dependence in firm performance. Using random effects models as well as a recent fixed effect...

We implement an endogeneous switching-regression model for labour productivity and firms' decision to use business-to-business (B2B) e-commerce. Our approach allows B2B usage to affect any parameter of the labour productivity equation and to properly take account of strategic complementarities...