Concrete shoes for competition: The effect of the German cement cartel on market price
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 assumptions on the transition period from the cartel period to the non-cartel period on the overcharge estimate. We find that the cement cartel led to price overcharges in a range from 20.3 to 26.5 percent depending on model approach and model assumptions.
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- James F. Nieberding, 2006. "Estimating overcharges in antitrust cases using a reduced-form approach: Methods and issues," Journal of Applied Economics, Universidad del CEMA, vol. 9, pages 361-380, November.
- 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.