Die Beschäftigungsquoten Älterer unterscheiden sich deutlich in den EU-Ländern. Dieser Beitrag vergleicht die Auswirkungen von institutionellen Strukturen in den Bereichen Arbeitslosenversicherung, Erwerbsminderung und Alterssicherung auf die Beschäftigungsquote der 55- bis 64-Jährigen in...

This paper highlights the importance of "centrality" for pricing. Firms characterised by a more central position in a spatial network are more powerful in terms of having a stronger impact on their competitors' prices and on equilibrium prices. These propositions are derived from a simple...

The empirical literature on mergers, market power and collusion in differentiated markets has mainly focused on methods relying on output and/or panel data. In contrast to this literature we suggest a novel approach that allows for the detection of collusive behaviour among a group of firms...