Nicht zuletzt durch eine Reihe spektakulärer Unternehmenszusammenschlüsse ist die Frage nach den Ursachen, den Folgen und den Möglichkeiten bzw. Notwendigkeiten staatlicher Eingriffe im Rahmen der Wettbewerbspolitik erneut in das Zentrum der wirtschaftspolitischen Diskussion geraten....

This article finds that non-controlling minority shareholdings among competitors lower the sustainability of collusion. This is the case under an even greater variety of situations than was indicated by earlier literature. The collusion destabilizing effect of minority shareholdings is mainly...

Non-controlling minority shareholdings in rivals (NCMS) lower the sustainability of collusion under a wide variety of circumstances. Nevertheless, NCMS are sometimes deemed to facilitate collusion, in particular if the level of NCMS is exogenous. The present paper endogenizes firms' choice of...

Non-controlling minority shareholdings in rivals (NCMS) lower the sus- tainability of collusion under a wide variety of circumstances. Nevertheless, NCMS are sometimes deemed to facilitate collusion, in particular if the level of NCMS is exogenous. The present paper endogenizes firms' choice of...

The paper develops a four-step framework to detect anticompetitive horizontal mergers. In the first step, an estimate of the impact of the merger on the market price needs to be derived. Subsequent, the second step of the framework has to assess whether such a predicted price increase would be...