The internet traffic prioritization, traffic management, or network neutrality debate (however it is labeled) fundamentally centers on the question of how packet inspection technology can be used and, more specifically, if data packet inspection should be used to differentiate price and or...

German abstract: Wettbewerbsanaloge Preise stehen im Mittelpunkt der Regulierung natürlicher Monopole wie bspw. der Zugang zu bestimmten Telekommunikationsnetzwerken. Die Preise sind so zu gestalten, dass Anreize für erforderliche Infrastrukturinvestitionen gesetzt werden, und gleichzeitig...

German Abstract: Die Digitalisierung hat in den letzten Jahren alle Lebensbereiche durchdrungen. Es ist davon auszugehen, dass in der näheren Zukunft immer größere Datenvolumen übertragen werden. Den neuen Herausforderungen kann nur über den vollständigen und flächendeckenden Ausbau von...

This paper analyzes the role of the reference period in assessing switching costs in retroactive rebates. A retroactive rebate allows a firm to use the inelastic portion of demand as leverage to decrease price in the elastic portion of demand, thereby artificially increasing switching costs of...

This paper analyzes the role of the reference period in assessing switching costs in retroactive rebates. A retroactive rebate allows a firm to use the inelastic portion of demand as leverage to decrease price in the elastic portion of demand, thereby artificially increasing switching costs of...

In light of the ongoing review of the policy on the application of Article 82 EC by the European Commission, this paper first describes how to calculate potential foreclosure effects and then sets out some common fallacies to be found in the discussion of rebate schemes. The paper discusses the...

The European Commission's remedial practice displays important differences in the type of remedies accepted in merger as opposed to antitrust cases. This paper briefly reviews the Commission's remedies practice over the last 14 years highlighting the differences and discussing inconsistencies....

The quantification of damage due to price overcharges necessarily involves the estimation of pass-on. This paper clarifies that pass-on is simply another way of describing the optimal reaction of firms to changes in their environment. It also addresses common misconceptions about a firms'...

The European Commission's remedial practice displays important differences in the type of remedies accepted in merger versus antitrust cases. This paper provides a review of the Commission's remedies practice over the last 14 years highlighting the differences and discussing inconsistencies. In...

Market definition is one of the most important analytical tools for competition authorities to examine and evaluate competition problems. By defining a relevant market, then calculating and assigning market shares, competition authorities seek to assess the market power of firms, which is of...