Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

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Monday, July 30, 2012

Estimating Damages from Price-Fixing - The Value of Transaction Data

Posted by D. Daniel Sokol

Kai Huschelrath, Centre for European Economic Research (ZEW), Kathrin Mueller, Centre for European Economic Research (ZEW) and Tobias Veith, Centre for European Economic Research (ZEW) offer thoughts on Estimating Damages from Price-Fixing - The Value of Transaction Data.

ABSTRACT: 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.

http://lawprofessors.typepad.com/antitrustprof_blog/2012/07/estimating-damages-from-price-fixing-the-value-of-transaction-data.html

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