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Cartel Detection And Collusion Screening: An Empirical Analysis Of The London Metal Exchange, Danilo Samà

Dr. Danilo Samà

Cartel detection and collusion screening: an empirical analysis of the London Metal Exchange
Author:Dr Danilo Samà (LUISS “Guido Carli” University, Law & Economics LAB)
Abstract:In order to fight collusive behaviors, the best scenario for competition authorities would be the possibility to analyze detailed information on firms’ costs and prices, being the price-cost margin a robust indicator of market power. However, information on firms’ costs is rarely available. In this context, a fascinating technique to detect data manipulation and rigged prices is offered by an odd phenomenon called Benford’s law, otherwise known as First-digit law, which has been successfully …