Affiliation: | 1. Directorate General for Competition, European Commission, Place Madou, 1210 Saint‐Josse‐ten‐Noode, Belgium;2. Department of Economics, University of Bologna, Bologna, Italy;3. European Bank for Reconstruction and Development, One Exchange Square, England;4. Deutsches Institut für Wirtschaftsforschung (DIW Berlin) and Düsseldorf Institute for Competition Economics (DICE). DIW Berlin, Berlin, Germany |