Nathalie Daley is a director at Deloitte Economic Consulting. Her main practice areas include market analysis, damages assessment, antitrust and merger. Before that, she was specialist of the French retail banking industry and one of the academics consulted on the issues of switching costs in this sector for a report carried out for the French Ministry of Industry. She also worked for Eurogroup as a consultant for banking industry. Since she joined Microeconomix in November 2006, she has been working on a range of competition cases before national competition authorities and has experience in all aspects of competition policy including mergers, cartels, abuse of dominance and damages assessment. She has worked in a series of antitrust cases and competition audits across several industries including luxury, plywood, electrical material, grocery and oil. In parallel to her activities as a senior consultant, Nathalie is a lecturer at Science Po and was a lecturer in economics at the ENSTA until 2011. She holds a Ph.D. in economics from Mines ParisTech.
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The Airtours criteria do not allow establishing ex post the existence of a collective dominant position as they are used to identify market situations where there is a risk that a collective dominant position emerges in the future. In an ex post intervention, it is necessary to demonstrate that (...)
Competition authorities are generally concerned about the decreasing number of bidders resulting from a merger in a bidding market. Economic theory shows, however, that a decrease in the number of candidates may result in a more competitive outcome of the tendering process. The paper discusses (...)