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Economics to Detect Collusion : The Hunt for the Perfect Benchmark
10th ACE Annual Conference, Paris, 26 October 2012.
dominance, efficiences, survey
Vertical coordination through renegotiation
International Journal of Industrial Organization 30(6): 553–563

This paper analyzes the strategic use of bilateral supply contracts in sequential negotiations between one manufacturer and two differentiated retailers.

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Implications of the State Aid Modernisation for the Assessment of Large Investment Projects
EStAL - Issue: 1/2013 - pp. 46-60.
competition policy, regional state aid, subsidies, anti-competitive effects

The Regional Aid Guidelines foresee specific screens for an in-depth assessment of Large Investment Projects (LIPs): an in-depth assessment is initiated if the market share of the aid beneficiary is above 25% or the investment results in a capacity expansion above 5% in a declining market. It is currently being discussed within the broader State Aid Modernization package and also due to a recent court ruling on the case Propapier whether these market screens should stay as they are. Based on a dataset of all LIP cases notified under the 2006 Regional Aid Guidelines, we evaluate those market screens and find that the screens do have the power to identify problematic cases – cases with a below average expected aid effectiveness and aid measures targeting specific industries. We also find, however, that the market screens are affected by a severe implementation problem and, hence, do not help to shorten phase I investigations. From a conceptual perspective, they are also not capable of identifying some of the potentially most problematic regional State aid cases. Policy options are discussed.

The full paper can be purchased here.

A working paper version is available here.

Upward Pricing Pressure in Two-Sided Markets
TILEC Discussion Paper No. 2012-029
two-sided markets, network effects, UPP
Share the risk : access to Next Generation Networks
E.CA Compact
NGA Networks, access regulation

The telecommunications industry is currently in the midst of a disruptive technological upheaval. Next Generation Networks (NGN) enable higher Internet bandwidths and new applications. However, NGN deployment depends on the conditions under which investors have to grant their competitors access to the new infrastructure. This note describes how E.CA modelled different regulatory regimes for access to NGN and compared the outcomes in terms of consumer welfare.

PDF icon Share the risk : access to Next Generation Networks(application/pdf 115.7 KB)
Regional Aid Guidelines and Large Investment Projects
Presentation at the 10th Experts' Forum on New Developments in European State Aid Law, Brussels, 8 June 2012.
regional aid, investment project
Predicting the future: How pricing regulation affects drug development
E.CA Compact
price regulation, innovation

In an effort to contain healthcare costs, governments around the world are imposing increasingly stricter pricing and reimbursement conditions in particular one "me-too" medicines. We study the consequences that this may have on pharmaceutical innovation in the context of a dynamic model of drug development. Our simulations show that the negative effects of price regulation on drug development are economically significant.

PDF icon Predicting the future: How pricing regulation affects drug development (application/pdf 153.5 KB)
Owner Effect and Sunk Investments
Europäische Zeitschrift für Wirtschaftsrecht, issue 11/2012: 408-413.
Ulrich Soltész
owner effect, sunk investments
Materielle Fusionskontrolle : Leitfaden und 8. GWB-Novelle
Presentation at the Studienvereinigung Kartellrecht,18 October 2012, Berlin.
LGI's Acquisition of KBW - Effects on Competition and Bargaining Power
Bates White's Ninth Annual Antitrust Conference, 7 June 2012, Washington.
Bargaining Power