CRESSE

2023 Conference Material

C R E S S E 2023
17th INTERNATIONAL CONFERENCE ON COMPETITION AND REGULATION
"Advances in the Analysis of Competition Policy and Regulation"
June 30 – July 2, 2023

CONFERENCE MATERIAL

Chair: Pierre Regibeau (Chief Economist, DGCOMP)

Mert Demirer (MIT Sloan), Omer Karaduman (Stanford GSB)

Do Mergers and Acquisitions Improve Efficiency: Evidence from Power Plants

Presentation by Mert Demirer (MIT Sloan)

Discussion by Dennis Rickert (MINES Paris, PSL University)

Dennis Rickert (MINES Paris, PSL University)

Retail mergers that benefit consumers and producers: Empirical evidence from the German milk market

Presentation by Dennis Rickert (MINES Paris, PSL University)

Discussion by Mert Demirer (MIT Sloan)

Michele Bisceglia (Toulouse School Of Economics), Jean Tirole (Toulouse School Of Economics)

Fair Gatekeeping in Digital Ecosystems

Presentation by Michele Bisceglia (Toulouse School Of Economics)

Discussion by Pierre Regibeau (Chief Economist, DGCOMP)

Sandro Shelegia (Universitat Pompeu Fabra, BSE), Yossi Spiegel (Coller School of Management, Tel Aviv University)

Partial Cross Ownership and Innovation

Presentation by Yossi Spiegel (Coller School of Management, Tel Aviv University)

Discussion by Maarten Pieter Schinkel (University of Amsterdam and Tinbergen Institute)

Klaus Gugler (Vienna University of Economics and Business), Florian Szücs (Vienna University of Economics and Business), Ulrich Wohak (Vienna University of Economics and Business)

Start-up Acquisitions, Venture Capital and Innovation: A Comparative Study of Google, Apple, Facebook, Amazon and Microsoft

Presentation by Florian Szücs (Vienna University of Economics and Business)

Discussion by José L. Moraga-González (Vrije Universiteit Amsterdam and Télécom Paris)

Chair: Julia Reimer (University of Würzburg)

Jacopo Gambato (University of Mannheim, ZEW Mannheim)

Multi-Attribute Search

Presentation by Jacopo Gambato (University of Mannheim, ZEW Mannheim)

Discussion by Julia Reimer (University of Würzburg)

Toker Doganoglu (University of Würzburg), Julia Reimer (University of Würzburg)

Optimal Operating Mode of a Platform

Presentation by Julia Reimer (University of Würzburg)

Discussion by Jacopo Gambato (University of Mannheim, ZEW Mannheim)

Federico Navarra (University of Padova), Flavio Pino (Polytechnic of Turin), Luca Sandrini (Budapest University of Technology and Economics)

Mandated data sharing in hybrid marketplaces

Presentation by Flavio Pino (Polytechnic of Turin)

Discussion by Guillaume Thébaudin (Télécom Paris)

Clément Gras (Paris School of Economics), Guillaume Thébaudin (Télécom Paris)

Hybrid Platform Screening

Presentation by Guillaume Thébaudin (Télécom Paris)

Discussion by Flavio Pino (Polytechnic of Turin)

Chair: Eduardo Pontual Ribeiro (Instituto de Economia – UFRJ)

Yannis Katsoulacos (Athens University of Economics and Business and Jiangxi University of Finance and Economics), David Ulph (University of St Andrews)

Choosing Legal Standards

Presentation by Yannis Katsoulacos (Athens University of Economics and Business and Jiangxi University of Finance and Economics)

Discussion by Lars Sørgard (Norwegian School of Economics)

Catarina Marvão (Technological University Dublin, Stockholm School of Economics (SITE)), Giancarlo Spagnolo (Stockholm School of Economics (SITE); Tor Vergata and Eief), Valerio Potì (University College Dublin University of Bari A. Moro)

Are banks too big to fine?

Presentation by Catarina Marvão (Technological University Dublin, Stockholm School of Economics (SITE))

Discussion by Hans Zenger (European Commission, Chief Economist Team, DG Competition)

Maarten Pieter Schinkel (University of Amsterdam and Tinbergen Institute), Marco Haan (University of Groningen)

Competition with Partial Cover Price Ceilings

Presentation by Maarten Pieter Schinkel (University of Amsterdam and Tinbergen Institute)

Discussion by Yossi Spiegel (Coller School of Management, Tel Aviv University)

Esmée S.R. Dijk (Vrije Universiteit Amsterdam and Tinbergen Institute), José L. Moraga-González (Vrije Universiteit Amsterdam and Télécom Paris), Evgenia Motchenkova (Vrije Universiteit Amsterdam and Tinbergen Institute)

Start-up Acquisitions and the Entrant’s and Incumbent’s Innovation Portfolios

Presentation by José L. Moraga-González (Vrije Universiteit Amsterdam and Télécom Paris)

Discussion by Florian Szücs (Vienna University of Economics and Business)

PARALLEL SESSION 3

Chair: Michele Polo (Bocconi University)

Benno Buehler (Charles River Associates), Dominik Fischer (Charles River Associates), Bernhard Ganglmair (University of Mannheim and ZEW Mannheim)

The Availability of Injunctions in Standard-Essential Patent Licensing

Presentation by Benno Buehler (Charles River Associates)

Discussion by Katharine Rockett (University of Essex)

Marc Bourreau (Telecom Paris), Jan Krämer (University of Passau)

Interoperability in Digital Markets: Boon or Bane for Market Contestability?

Presentation by Jan Krämer (University of Passau)

Discussion by Michele Polo (Bocconi University)

Pietro Azzali (Compass Lexecon), Vincenzo Denicolò (University of Bologna), Michele Polo (Bocconi University)

Dominant Ecosystems and Innovation Slowdown

Presentation by Michele Polo (Bocconi University)

Discussion by Jan Krämer (University of Passau)

Galateia Makri (Athens University of Economics and Business), Yannis Katsoulacos (Athens University of Economics and Business and Jiangxi University of Finance and Economics)

The role of economics in antitrust enforcement in the EC: 1992 – 2022

Presentation by Galateia Makri (Athens University of Economics and Business)

Discussion by Benno Buehler (Charles River Associates)

Chair: Yaron Yehezkel (Coller School of Management, Tel Aviv University)

Louis-Daniel Pape (Télécom Paris, Institut Polytechnique de Paris)

How to Detect and Measure Labor Market Collusion?

Presentation by Louis-Daniel Pape (Télécom Paris, Institut Polytechnique de Paris)

Discussion by Ricardo Ribeiro (Universidade Católica Portuguesa, Católica Porto Business School)

Yaron Yehezkel (Coller School of Management, Tel Aviv University)

Collusion between Supply Chains under Asymmetric Information

Presentation by Yaron Yehezkel (Coller School of Management, Tel Aviv University)

Discussion by Louis-Daniel Pape (Télécom Paris, Institut Polytechnique de Paris)

Andrea Günster (Zurich University of Applied Science), Gérard Hertig (ETH Zurich)

Cartels and Ownership Concentration

Presentation by Andrea Günster (Zurich University of Applied Science)

Discussion by Dimas Fazio (National University of Singapore)

Dimas Fazio (National University of Singapore), Alminas Zaldokas (Hong Kong University of Science and Technology)

Kamikazes in Public Procurement

Presentation by Dimas Fazio (National University of Singapore)

Discussion by Andrea Günster (Zurich University of Applied Science)

Chair: Lukasz Grzybowski (University of Warsaw)

El Hadi Caoui (University of Toronto), Andrew Steck (University of Toronto)

Network Diversity, Market Entry, and the Global Internet Backbone

Presentation by El Hadi Caoui (University of Toronto)

Discussion by Florian Dendorfer (University of St. Gallen)

Matteo Courthoud (University of Zurich), Florian Dendorfer (University of St. Gallen), Regina Seibel (University of Zurich)

Social Learning and Market Structure: The Case of Airbnb

Presentation by Florian Dendorfer (University of St. Gallen)

Discussion by El Hadi Caoui (University of Toronto)

Marc Bourreau (Telecom Paris), Lukasz Grzybowski (University of Warsaw), Ángela Muñoz Acevedo (Telecom Paris)

Entry Into Fiber and State Aid for the Deployment of High-Speed Internet: Evidence from France

Presentation by Lukasz Grzybowski (University of Warsaw)

Discussion by Alina Ozhegova (Norwegian School of Economics)

Alina Ozhegova (Norwegian School of Economics)

Assortment Choice and Market Power under Uniform Pricing

Presentation by Alina Ozhegova (Norwegian School of Economics)

Discussion by Lukasz Grzybowski (University of Warsaw)

Chair: Timo Klein (Oxera Consulting LLP, Utrecht University)

Eric Avenel (University of Rennes)

System goods, tying and vertical foreclosure

Presentation by Eric Avenel (University of Rennes)

Discussion by Timo Klein (Oxera Consulting LLP, Utrecht University)

Timo Klein (Oxera Consulting LLP, Utrecht University)

Exclusive dealing in sports after ESL and ISU

Presentation by Timo Klein (Oxera Consulting LLP, Utrecht University)

Discussion by Eric Avenel (University of Rennes)

Laura Abrardi (Politecnico di Torino), Carlo Cambini (Politecnico di Torino), Flavio Pino (Politecnico di Torino)

Data Broker competition and downstream market entry

Presentation by Carlo Cambini (Politecnico di Torino)

Discussion by Frank Verboven (KU Leuven)

Giulia Canzian (European Commission, Joint Research Centre (JRC)), Gianluca Mazzarella (University of Milan), Louis Ronchail (University of Milan), Frank Verboven (KU Leuven), Stefano Verzillo (KU Leuven and CEPR)

Evaluating the Impact of Price Caps – Evidence from the European Roam-Like-at-Home Regulation

Presentation by Frank Verboven (KU Leuven)

Discussion by Carlo Cambini (Politecnico di Torino)

Chair: Winand Emons (University of Bern, Swiss Competition Commission)

Bruno Carballa-Smichowski (Joint Research Centre (JRC), European Commission)

Dynamic competition between digital markets

Presentation by Bruno Carballa-Smichowski (Joint Research Centre (JRC), European Commission)

Discussion by Anton Sobolev (University of Mannheim)

Martin Peitz (MaCCI, University of Mannheim), Anton Sobolev (MaCCI, University of Mannheim), Paul Wegener (MaCCI, University of Mannheim)

Ad Blocking, Whitelisting, and Advertiser Competition

Presentation by Anton Sobolev (MaCCI, University of Mannheim)

Discussion by Bruno Carballa-Smichowski (Joint Research Centre (JRC), European Commission)

Johan Callermo (Stockholm School of Economics)

Case law in European merger control

Presentation by Johan Callermo (Stockholm School of Economics)

Discussion by Winand Emons (University of Bern, Swiss Competition Commission)

Giuseppe Colangelo (Jean Monnet Professor of EU Innovation Policy, University of Basilicata)

In fairness we (should not) trust. The duplicity of the EU competition policy mantra in digital markets

Presentation by Giuseppe Colangelo (Jean Monnet Professor of EU Innovation Policy, University of Basilicata)

Discussion by Yannis Katsoulacos (Athens University of Economics and Business and Jiangxi University of Finance and Economics)

Vasiliki Bageri (Panteion University of Athens), Yannis Katsoulacos (Athens University of Economics and Business and Jiangxi University of Finance and Economics)

The role of economics in antitrust enforcement: the case of CMA

Presentation by Vasiliki Bageri (Panteion University of Athens)

Discussion by Giuseppe Colangelo (Jean Monnet Professor of EU Innovation Policy, University of Basilicata)

Chair: Hans Zenger (European Commission, Chief Economist Team, DG Competition)

Hendrik Meder (European Commission)

Product Developments Post-M&As – Research Trajectory of Pharmaceutical Firms

Presentation by Hendrik Meder (European Commission)

Discussion by Anton Guilio Manganelli (EADA Business School)

Markus Reisinger (Frankfurt School of Finance & Management), Hans Zenger (European Commission, Chief Economist Team, DG Competition)

Competition with Capacity Constraints and Non-Linear Pricing, with an Application to Mergers

Presentation by Hans Zenger (European Commission, Chief Economist Team, DG Competition)

Discussion by Andrea Mantovani (Toulouse School of Economics)

Aurelien Portuese (Research Professor, George Washington University)

Antitrust and Intellectual Property Rights: Toward a New Schumpeterian Approach

Presentation by Aurelien Portuese (Research Professor, George Washington University)

Discussion by Stephany Torres (Primerio)

John Oxenham (Primerio), Michael-James Currie (Primerio), Stephany Torres (Primerio), Joshua Eveleigh (Primerio)

Intellectual property rights litigation and competition law violations in South Africa

Presentation by Stephany Torres (Primerio)

Discussion by Aurelien Portuese (Research Professor, George Washington University)

Alexandre de Cornière (Toulouse School of Economics), Andrea Mantovani (Toulouse Business School), Shiva Shekhar (Tilburg School of Economics and Management)

Third-degree price discrimination in two-sided markets

Presentation by Andrea Mantovani (Toulouse Business School)

Discussion by Patrick Rey (Toulouse School of Economics, University of Toulouse Capitole)

Chair: David Gilo (Tel Aviv University)

Peter Davis (The Brattle Group), Laura Grigolon (University of Mannheim and CEPR) Ricardo Ribeiro (Universidade Católica Portuguesa, Católica Porto Business School)

A Simple Globally Consistent Continuous Demand Model for Market Level Data

Presentation by Ricardo Ribeiro (Universidade Católica Portuguesa, Católica Porto Business School)

Discussion by Frank Verboven (KU Leuven)

Francesco Decarolis (IGIER, Bocconi University), Muxin Li (IGIER, Bocconi University), Filippo Paternollo (IGIER, Bocconi University)

Competition and Defaults in Online Search

Presentation by Muxin Li (IGIER, Bocconi University)

Discussion by David Gilo (Tel Aviv University)

David Gilo (Tel Aviv University), Ariel Porat (President, Tel Aviv University), Yevgeny Tsodikovich (Bar Ilan University)

Addiction to a Network

Presentation by David Gilo (Tel Aviv University)

Discussion by Muxin Li (IGIER, Bocconi University)

Zili Wang (Jiangxi University of Finance and Economics), Lingbing Feng (Jiangxi University of Finance and Economics)

Economic Analysis and Stock Price: A Method of Identifying Antitrust Decision error cost

Presentation by Zili Wang (Jiangxi University of Finance and Economics)

Discussion by Eduardo Pontual Ribeiro (Instituto de Economia – UFRJ)

Benoît Voudon (Compass Lexecon)

Oligopoly-Oligopsony Model: Theory and Applications

Presentation by Benoît Voudon (Compass Lexecon)

Discussion by Hugo Molina (Université Paris-Saclay, INRAE)

Chair: Farasat A.S. Bokhari (University of East Anglia)

Farasat A.S. Bokhari (University of East Anglia), Stefan P. Penczynski (University of East Anglia), Janithe Siriwardana (University of East Anglia)

Merger review using online experiments

Presentation by Farasat A.S. Bokhari (University of East Anglia)

Discussion by Maximilian M. Gail (Justus-Liebig-University Giessen)

Maximilian M. Gail (Justus-Liebig-University Giessen), Georg Götz (Justus-Liebig-University Giessen), Daniel Herold (Justus-Liebig-University Giessen), Jan T. Schäfer (Justus-Liebig University Giessen)

A Structural Analysis of the Competitive Landscape of Brick-And-Mortar Pharmacies

Presentation by Maximilian M. Gail (Justus-Liebig-University Giessen)

Discussion by Farasat A.S. Bokhari (University of East Anglia)

Nadine Hahn (KU Leuven, ZEW Mannheim)

Who is in the Driver’s Seat? Markups, Markdowns & Firm Relationships in the Car Industry

Presentation by Nadine Hahn (KU Leuven, ZEW Mannheim)

Discussion by Helena Perrone (University of Mannheim and MaCCI)

Pablo Casas (Arizona State), Asis Martinez-Jerez (Cornell University), Helena Perrone (University of Mannheim and MaCCI)

Demand steering through the smokescreen of stockouts: evidence from cigarette vending machines

Presentation by Helena Perrone (University of Mannheim and MaCCI)

Discussion by Nadine Hahn (KU Leuven, ZEW Mannheim)

Chair: Matthias Hunold (University of Siegen)

Màxim Sandiumenge i Boy (Toulouse School of Economics)

Vertical Foreclosure: A Dynamic Perspective

Presentation by Màxim Sandiumenge i Boy (Toulouse School of Economics)

Discussion by Alessandro S. Kadner-Graziano (University of Bayreuth)

Alessandro S. Kadner-Graziano (University of Bayreuth)

Foreclosure, Bundling, and Innovation in Competitive Markets

Presentation by Alessandro S. Kadner-Graziano (University of Bayreuth)

Discussion by Màxim Sandiumenge i Boy (Toulouse School of Economics)

Germain Gaudin (University of Freiburg), Niklas Nagel (University of Freiburg)

Merger of Complements: Empirical Evidence from the Eyewear Industry

Presentation by Niklas Nagel (University of Freiburg)

Discussion by Matthias Hunold (University of Siegen)

Matthias Hunold (University of Siegen), Heiko Karle (Frankfurt School of Finance & Management, CEPR), Ulrich Laitenberger (TiSEM, Tilburg University) Jannika Schad (University of Siegen)

Seller competition and platform coexistence: evidence from real estate platforms

Presentation by Matthias Hunold (University of Siegen)

Discussion by Niklas Nagel (University of Freiburg)

Chair: Emanuele Giovannetti (Anglia Ruskin University, & Hughes Hall, University of Cambridge)

Andreas Gerckens (University of Regensburg)

Common ownership and competition: Evidence from the cement industry?

Presentation by Andreas Gerckens (University of Regensburg)

Discussion by Emanuele Giovannetti (Anglia Ruskin University, & Hughes Hall, University of Cambridge)

Emanuele Giovannetti (Anglia Ruskin University, & Hughes Hall, University of Cambridge), Paolo Siciliani (Bank of England)

Platform Competition and Incumbency Advantage under Heterogeneous Lock-in effects

Presentation by Emanuele Giovannetti (Anglia Ruskin University, & Hughes Hall, University of Cambridge)

Discussion by Andreas Gerckens (University of Regensburg)

Eduardo Zúñiga Leyton (Universidad Diego Portales), Leonardo J. Basso (Universidad de Chile), Pedro Jara – Moroni (Universidad de Santiago de Chile)

Stackelberg or Cournot? A general model of duopolistic competition with endogenous timing

Presentation by Leonardo J. Basso (Universidad de Chile)

Discussion by Nicole Bellert (University of Applied Science Zurich)

Nicole Bellert (University of Applied Science Zürich), Andrea Günster (University of Applied Science Zürich), Damian Kozbur (University of Zürich)

Simulating Collusion: Challenging Conventional Estimation Methods

Presentation by Nicole Bellert (University of Applied Science Zürich)

Discussion by Leonardo J. Basso (Universidad de Chile)

Chair: Ksenia Shakhgildyan (Bocconi University)

Leonard Treuren (KU Leuven)

Wage markups and buyer power in intermediate input markets

Presentation by Leonard Treuren (KU Leuven)

Discussion by Emil Mathias Strøm Halseth (Norwegian School of Economics)

Emil Mathias Strøm Halseth (Norwegian School of Economics)

Competition and Grocery Retail Formats: Empirical Evidence from a Horizontal Acquisition in Norway

Presentation by Emil Mathias Strøm Halseth (Norwegian School of Economics)

Discussion by Leonard Treuren (KU Leuven)

Vasilisa Petrishcheva (University of Potsdam), Alexander Rasch (Duesseldorf Institute for Competition Economics, Leibniz Centre for European Economic Research), Chi Trieu (Compass Lexecon), Christian Waibel (ETH Zurich)

Consumers with limited attention in a credence goods market

Presentation by Chi Trieu (Compass Lexecon)

Discussion by Ksenia Shakhgildyan (Bocconi University)

Francesco Decarolis (Bocconi University), Gabriele Rovigatti (Bank of Italy), Michele Rovigatti (Bocconi University), Ksenia Shakhgildyan (Bocconi University)

Artificial Intelligence & Data Obfuscation: Algorithmic Competition in Digital Ad Auctions

Presentation by Ksenia Shakhgildyan (Bocconi University)

Discussion by Joe Harrington (The Wharton School, University of Pennsylvania)

Chair: Franco Mariuzzo (University of East Anglia)

Julian Hidalgo (KU Leuven)

Market Structure and Adoption of Internet Services in Colombia

Presentation by Julian Hidalgo (KU Leuven)

Discussion by Pierre-François Darlas (Telecom Paris)

Marie-Laure Allain (CREST, Institut Polytechnique de Paris), Marc Bourreau (Telecom Paris), Pierre-François Darlas (Telecom Paris)

Digital Business Models and Innovation

Presentation by Pierre-François Darlas (Telecom Paris)

Discussion by Julian Hidalgo (KU Leuven)

Ohad Atad (Coller School of Management, Tel Aviv University), Yaron Yehezkel (Coller School of Management, Tel Aviv University)

Regulating platform competition in markets with network externalities: Will predatory pricing restrictions increase social welfare?

Presentation by Ohad Atad (Coller School of Management, Tel Aviv University)

Discussion by Franco Mariuzzo (University of East Anglia)

Joseph Carr (University of East Anglia), Franco Mariuzzo (University of East Anglia)

Inequality and concentration: Are the poor more exposed to concentrated markets?

Presentation by Franco Mariuzzo (University of East Anglia)

Discussion by Ohad Atad (Coller School of Management, Tel Aviv University)

Chair: Shuping Lyu (North University of China)

Chiara Patricia Drolsbach (Chair for Data Science and Digitization), Maximilian Maurice Gail (Chair for Industrial Organization, Regulation and Antitrust), Phil-Adrian Klotz (Chair for Industrial Organization, Regulation and Antitrust)

Pass-through of Temporary Fuel Tax Reductions: Evidence from Europe

Presentation by Phil-Adrian Klotz (Chair for Industrial Organization, Regulation and Antitrust)

Discussion by Themistoklis Kampouris (National and Kapodistrian University of Athens, DIW Berlin)

Christos Genakos (University of Cambridge, Cambridge Judge Business School), Themistoklis Kampouris (National and Kapodistrian University of Athens, DIW Berlin)

What is the right geographic market definition?

Presentation by Themistoklis Kampouris (National and Kapodistrian University of Athens, DIW Berlin)

Discussion by Phil-Adrian Klotz (Chair for Industrial Organization, Regulation and Antitrust)

Claire Chambolle (Université ParisSaclay, INRAE), Clémence Christin (Normandie Université) Hugo Molina (Université Paris-Saclay, INRAE)

Buyer Power and Product Selection in Interlocking Relationships

Presentation by Hugo Molina (Université Paris-Saclay, INRAE)

Discussion by Benoît Voudon (Compass Lexecon)

Shuping Lyu (North University of China), Caroline Buts (Vrije Universiteit Brussel), Marc Jegers (Vrije Universiteit Brussel)

Economic Analysis Methodologies Applied in Merger Investigations in the EU and China: Comparative Case Studies

Presentation by Shuping Lyu (North University of China)

Discussion by Lingbing Feng (Jiangxi University of F Finance and Economics)

Chair: Patrick Rey (Toulouse School of Economics, University of Toulouse Capitole)

Massimo Motta (ICREA-Universitat Pompeu Fabra and Barcelona School of Economics), Martin Peitz (MaCCI, University of Mannheim)

Denial of interoperability and future first-party entry

Presentation by Martin Peitz (MaCCI, University of Mannheim)

Discussion by Andrew Rhodes (Toulouse School of Economics)

Andrew Rhodes (Toulouse School of Economics), Jidong Zhou (Yale School of Management)

Personalized Pricing and Competition

Presentation by Andrew Rhodes (Toulouse School of Economics)

Discussion by Martin Peitz (MaCCI, University of Mannheim)

Roman Inderst (Goethe University Frankfurt)

Firm Objectives and Sustainability Agreements

Presentation by Roman Inderst (Goethe University Frankfurt)

Discussion by Juan-Pablo Montero (Pontificia Universidad Catolica de Chile, ISCI)

Diego Cussen (New York University), Juan-Pablo Montero (Pontificia Universidad Catolica de Chile, and ISCI)

Using list prices to collude or to compete?

Presentation by Juan-Pablo Montero (Pontificia Universidad Catolica de Chile, and ISCI)

Discussion by Roman Inderst (Goethe University Frankfurt)

Doh-Shin Jeon (Toulouse School of Economics, University of Toulouse Capitole), Patrick Rey (Toulouse School of Economics, University of Toulouse Capitole)

Platform Competition and App Development

Presentation by Patrick Rey (Toulouse School of Economics, University of Toulouse Capitole)

Discussion by Leslie Marx (Duke University)