We use publicly available price data from the German cement industry to estimate the cartelinduced price increase. We apply two different comparator-based approaches - the 'before and-after' approach and the 'difference-in-differences' approach - and especially study the impact of various...

We use a unique private data set of about 340,000 invoice positions from 36 smaller and larger customers of German cement producers to study the value of such transaction data for an estimation of cartel damages. In particular, we investigate, first, how structural break analysis can be used to...

Abstract: Verstöße gegen Vorschriften des Wettbewerbsrechts gehen regelmäßig mit einer Schädigung vor- oder nachgelagerter Wirtschaftsstufen einher. Die Urteile ‚Courage’ und ‚Manfredi’, intensive Bemühungen der EU-Kommission, die Rahmenbedingungen für die private Durchsetzung...

We hypothesize a particular source of cartel instability and explore its relevance to understanding cartel dynamics. The cartel instability is rooted in the observation that, upon cartel formation, the relative positions of firms are often fixed which may lead some growthconscious members to be...

A challenge for many cartels is avoiding a destabilizing increase in non-cartel supply in response to having raised price. In the case of the German cement cartel that operated over 1991-2002, the primary source of non-cartel supply was imports from Eastern European cement manufacturers....