In a series of recent cases - most notably in TeliaSonera and Post Danmark - the equally efficient competitor principle has been explicitly recognised by the Court of Justice of the EU; more clearly so than by courts in the US, where the principle originates. However the exact scope of...

Kürzlich hat Chr. Mantzavinos ein neues Wettbewerbsleitbild vorgeschlagen, das auf Ergebnissen der Neuen Institutionenökonomik und der Evolutorischen Ökonomik aufbaut. Er kritisiert die gängigen normativen Konzeptionen in der Wettbewerbspolitik, insbesondere die Idee des Wettbewerbs als...

Kürzlich hat Chr. Mantzavinos ein neues Wettbewerbsleitbild vorgeschlagen, das auf Ergebnissen der Neuen Institutionenökonomik und der Evolutorischen Ökonomik aufbaut. Er kritisiert die gängigen normativen Konzeptionen in der Wettbewerbspolitik, insbesondere die Idee des Wettbewerbs als...

This paper contains an economic and legal analysis of the lawsuit Microsoft vs. U.S. Department of Justice beginning with the District Court's decision on June 7, 2000 up to the Proposed Final Judgement on November 6, 2001. I found that the courts' underlying economic paradigm regarding the...

Economics rightfully represents the major basis for competition policy. Next to generating knowledge about competition and its welfare effects, the currently popular 'more-economic approach' is charged with a number of additional hopes and expectations, leading to a reduction of the ambiguities...

There are legal grounds to hear competitors in merger control proceedings, and competitor involvement has gained significance. To what extent this is economically sensible is our question. The competition authority applies some welfare standard while the competitor cares about its own profit. In...

The article focuses on the effects that type I errors can have on the incentives of firms to compete, collude or engage in efficiency promoting socially beneficial cooperation. Our results confirm that in the presence of type I errors the introduction of a leniency program can have ambiguous...

While price-fixing cartel prosecutions have received significant attention, the policy determinants and the political preferences that guide such antitrust prosecutions remain understudied. We empirically examine the intertemporal shifts in U.S. antitrust cartel prosecutions during the period...

Recent adoption of competition laws across the globe has highlighted the importance of institutional considerations for antitrust effectiveness and the need for comparative institutional analyses of antitrust that extend beyond matters of substantive law. Contributing to the resulting nascent...

We estimate the deterrence effects of European Commission (EC) merger policy instruments over the 1990-2009 period. Our empirical results suggest that phase-1 remedies uniquely generate robust deterrence as - unlike phase-1 withdrawals, phase-2 remedies, and preventions - phase-1 remedies lead...