Estimating damages from price-fixing: The value of transaction data
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 identify the exact end of the cartel agreement and, second, how an application of before-and-after approaches to estimate the price overcharge can benefit from such rich data sets. We conclude that transaction data allows such a detailed assessment of the cartel and its impact on direct customers that its regular application in private antitrust cases is desired as long as data collection and preparation procedures are not prohibitively expensive.
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- Hans W. Friederiszick & Lars-Hendrik Röller, 2010. "Quantification of harm in damages actions for antitrust infringements: Insights from German cartel cases," ESMT Research Working Papers ESMT-10-001, ESMT European School of Management and Technology.
- Hüschelrath, Kai & Veith, Tobias, 2011. "Cartel detection in procurement markets," ZEW Discussion Papers 11-066, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
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