Using the structure-conduct-performance approach it can be argued that diversification raises barriers to entry which have a positive influence on the profitability of firms. This study examines the effect of product diversification on the profitability of 25 German food industry sectors from...

A detailed decomposition of the sources of the Total Factor Productivity (TFP) growth index within an output distance function framework was carried out, looking at the following components: technical change, change in technical efficiency, scale component, and violations of the profit...

In this paper the existence and magnitude of market power for the German beer exporters is tested. Two theoretical approaches to model incomplete competition on international markets are employed, the 'pricing to market' (PTM) model the 'residual demand elasticity' (RDE) approach. Estimations...

This paper explores the consequences for parametric and non-parametric efficiency levels and rankings when using grouped instead of individual Decision Making Units (DMU). The bias results due to the differences of the grouped DMUs frontier compared to the individual DMUs frontier. Monte Carlo...

In this paper the existence and magnitude of market power for German beer, cocoa powder, chocolate, and sugar confectionary exporters are tested. Two theoretical approaches are employed, the 'pricing of market' (PTM) and the 'residual demand elasticity' (RDE) approach. Even though all markets...

Whereas a large number of empirical studies have been devoted to analysing consumer demand for specific products, much less attention has been paid to the household's demand for product variety (the number of different products consumed in a specific time period). This paper analyses consumer...

Ziel dieser Arbeit ist es, die derzeit bestehende Lücke an aktuellen Informationen bezüglich der Struktur der Nahrungsmittelnachfrage sowie bezüglich zukünftiger, haushaltsspezifischer Nachfragereaktionen zum Teil zu schließen und somit eine bessere Grundlage zur Entwicklung von...