Worldwide, the overwhelming majority of large horizontal mergers are cleared by antitrust authorities unconditionally. The presumption seems to be that efficiencies from these mergers are sizeable. We calculate the compensating efficiencies that would prevent a merger from harming consumers for...

We consider network games in which players simultaneously form partnerships and choose actions. Players are heterogeneous with respect to their action preferences. We characterize pairwise Nash equilibria for a large class of games, including coordination and anti-coordination games, varying the...

In diesem Beitrag stellen wir einen Weg vor, der es erlaubt, grundsätzliche Aussagen darüber zu treffen, dass wirtschaftliches Handeln schädliche Auswirkungen auf die Umwelt mit sich bringt. Diese Auswirkungen sind naturwissenschaftlich bedingt und treten insbesondere in der...