Discussion papers B03

Merger Control Amid Market Evolutions and Shocks: What the EU Merger Guidelines Should Say

755/2026, B03, B05, Volker Nocke, Martin Peitz, Nicolas Schutz. Forthcoming in Journal of European Competition Law & Practice

Merger Control in a Changing World

754/2026, B03, B05, Volker Nocke, Martin Peitz, Nicolas Schutz

Advertiser Competition and Gatekeeping in Ad Funded Media

731/2026, B03, B05, Martin Peitz, Anton Sobolev, Paul Wegener

Recommendation Power and Competition

715/2025, B03, B04, B05, Martin Peitz, Anton Sobolev. Forthcoming in International Journal of Industrial organization

One-Stop-Shopping hinders Specialization

701/2025, B03, Max Riegel

Designing Vertical Differentiation with Information

700/2025, B03, B04, Christoph Carnehl, Anton Sobolev, Konrad Stahl, André Stenzel. First Version: August 2025

Optimal Merger Remedies

680/2025, B03, Volker Nocke, Andrew Rhodes

Dual Pricing in a Model of Sales

678/2025, B03, B04, Nicolas Schutz, Anton Sobolev. First Version: March 2025

Concentration Indices, Welfare Distortions, and Misallocation in Oligopoly

669/2025, B03, Volker Nocke, Nicolas Schutz

Oligopoly, Complementarities, and Transformed Potentials

644/2025, B03, Volker Nocke, Nicolas Schutz. First version: February 2025, Second version: July 2025

Organizational Change and Reference-Dependent Preferences

599/2024, B03, Klaus M. Schmidt, Jonas von Wangenheim. Forthcoming in The Review of Economic Studies

Product Recommendations and Price Parity Clauses

595/2024, B03, B04, B05, Martin Peitz, Anton Sobolev. First version: September 2024

Competition with Exclusive Contracts in Vertically Related Markets: An Equilibrium Non-Existence Result

591/2024, B03, Nicolas Schutz. Published in International Journal of Industrial Organization 96 (2024), 103097

Optimal Disclosure of Private Information to Competitors

578/2024, B03, Rosina Rodríguez Olivera

Geopolitical Risks and Prudential Merger Control

568/2024, B03, B05, Massimo Motta, Volker Nocke, Martin Peitz. Published in Journal of European Competition Law & Practice 15 (2024), 341-348

Search-Cost-Based Market Segmentation Through Product Design

556/2024, B03, Max Riegel, Paul Wegener. First version: June 2024

Big Data and Inequality

555/2024, B03, Carl-Christian Groh

Biased Recommendations and Differentially Informed Consumers

554/2024, B03, B04, B05, Martin Peitz, Anton Sobolev. Forthcoming in Economic Theory Bulletin

Voting Under Salience Bias and Strategic Extremism

542/2024, A01, B03, Günnur Ege Bilgin, Cavit Görkem Destan

Decentralized Many-to-One Matching with Random Search

541/2024, B03, Günnur Ege Bilgin

Pigou Meets Wolinsky: Search, Price Discrimination, and Consumer Sophistication

527/2024, B03, Carl-Christian Groh, Jonas von Wangenheim

Dynamic Screening with Verifiable Bankruptcy

525/2024, B03, Daniel Krähmer, Roland Strausz

Unidirectional Incentive Compatibility

524/2024, B03, Daniel Krähmer, Roland Strausz

The Hold-up Problem with Flexible Unobservable Investments

523/2024, B03, Daniel Krähmer

Acquihiring for Monopsony Power

500/2024, B03, Heski Bar-Isaac, Justin P. Johnson, Volker Nocke. Published in Management Science 71 (2025), 3485-3496

Merger Analysis with IIA Demand and Type Aggregation

459/2023, B03, Volker Nocke, Nicolas Schutz

Ad Blocking, Whitelisting, and Advertiser Competition

448/2023, B03, B04, B05, Martin Peitz, Anton Sobolev, Paul Wegener

Strategic Incentives and the Optimal Sale of Information

442/2023, B03, Rosina Rodríguez Olivera. Published in American Economic Journal: Microeconomics 16 (2024), 296-353

Approval vs. Participation Quorums

438/2023, B03, Dmitriy Vorobyev, Azamat Valei, Andrei Matveenko. Published in European Journal of Political Economy

Sparking Curiosity or Tipping the Scales? Targeted Advertising with Consumer Learning

425/2023, B03, Andrei Matveenko, Egor Starkov. Published in Journal of Economics Behavior & Organization

Consumer Search, Steering and Choice Overload

421/2023, B03, Volker Nocke, Patrick Rey. Published in Journal of Political Economy 132 (2024), 1684-1739

Placement with Assignment Guarantees and Semi-Flexible Capacities

417/2023, B03, Orhan Aygün, Günnur Ege Bilgin

The Status Quo and Belief Polarization of Inattentive Agents: Theory and Experiment

385/2023, B03, Vladimir Novak, Andrei Matveenko, Silvio Ravaioli. Published in American Economic Journal: Microeconomics 16 (2024), 1-39

Search Disclosure

384/2022, B03, Carl-Christian Groh, Marcel Preuss

Search, Data, and Market Power

383/2022, B03, Carl-Christian Groh

Optimally Biased Expertise

370/2022, B03, Pavel Ilinov, Andrei Matveenko, Maxim Senkov, Egor Starkov

Persuasion without Priors

359/2022, B03, B04, Alexei Parakhonyak, Anton Sobolev. Forthcoming in Economic Theory

The Wrong Kind of Information

357/2022, B03, Aditya Kuvalekar, João Ramos, Johannes Schneider. Published in RAND Journal of Economics 54 (2023), 360-384

Optimal Information Design of Online Marketplaces with Return Rights

352/2022, B03, Jonas von Wangenheim. First version: June 2022. Published in Journal of Political Economy

On Risk and Time Pressure: When to Think and When to Do

342/2022, B03, Christoph Carnehl, Johannes Schneider. Published in Journal of the European Economic Association 21 (2023), 1-47

Inflated Recommendations

336/2022, B03, B04, B05, Martin Peitz, Anton Sobolev. First version: February 2022. Published in RAND Journal of Economics

Consumer Search and Choice Overload

315/2021, B03, Volker Nocke, Patrick Rey

Dutch vs. First-Price Auctions with Expectations-Based Loss-Averse Bidders

314/2021, B03, Benjamin Balzer, Antonio Rosato, Jonas von Wangenheim. Published in Journal of Economic Theory 205 (2022), 105545

English Versus Vickrey Auctions with Loss-Averse Bidders

313/2021, B03, Jonas von Wangenheim. Published in Journal of Economic Theory 197 (2021), 105328

School Choice and Loss Aversion

312/2021, B03, Vincent Meisner, Jonas von Wangenheim. Published in Journal of Economic Theory 207 (2023), 105588

Information Nudges and Self-Control

311/2021, B03, Thomas Mariotti, Nikolaus Schweizer, Nora Szech, Jonas von Wangenheim

Fighting Climate Change: The Role of Norms, Preferences, and Moral Values

310/2021, A01, B03, Peter Andre, Teodora Boneva, Felix Chopra, Armin Falk

Collective Brand Reputation

281/2021, B03, Volker Nocke, Roland Strausz. Published in Journal of Political Economy 131 (2023), 101086

Competitive Price Discrimination, Imperfect Information, and Consumer Search

280/2021, B03, Carl-Christian Groh

The Welfare Effects of Early Termination Fees in the US Wireless Industry

247/2020, B03, Joseph Cullen, Nicolas Schutz, Oleksandr Shcherbakov

Gravity with Granularity

236/2020, B03, B06, Holger Breinlich, Harald Fadinger, Volker Nocke, Nicolas Schutz. First Version: November 2020

Mechanism Design for Unequal Societies

228/2020, B03, Marco Reuter, Carl-Christian Groh

Fishing for Good News: Motivated Information Acquisition

223/2020, A01, B03, Si Chen, Carl Heese. First version: October 2020

Social Learning with State-Dependent Observations

222/2020, B03, Carl Heese

Inducing Effort Through Grades

221/2020, B03, David Rodina, John Farragut

Information Design and Career Concerns

220/2020, B03, David Rodina

Voter Attention and Distributive Politics

209/2020, B03, Carl Heese

Concentration Screens for Horizontal Mergers

190/2020, B03, Volker Nocke, Michael D. Whinston. Published in American Economic Review 112 (2022), 1915-1948

Do People Value More Informative News?

155/2020, B03, Felix Chopra, Ingar Haaland, Christopher Roth

Persuasion and Information Aggregation in Elections

128/2019, B03, B04, Carl Heese, Stephan Lauermann. First version: September 2019. Published in Journal of Political Economy

Blurred Boundaries: A Flexible Approach for Segmentation Applied to the Car Market

127/2019, B03, Laura Grigolon. Published in Quantative Economics 12 (2021), 1273-1305

Anticompetitive Vertical Merger Waves

084/2019, B03, Johan Hombert, Jerome Pouyet, Nicolas Schutz. Published in Journal of Industrial Economics, 67(3-4): 484-514, 2019

Merger Policy in a Quantitative Model of International Trade

039/2018, B03, Holger Breinlich, Volker Nocke, Nicolas Schutz. Published in Economic Journal, 130(626): 393-421, 2020

Internal Versus External Growth in Industries with Scale Economies: A Computational Model of Optimal Merger Policy

038/2018, B03, Ben Mermelstein, Volker Nocke, Mark A. Satterthwaite, Michael D. Whinston. Published in Journal of Political Economy, 128(1): 301-341, 2020

An Aggregative Games Approach to Merger Analysis in Multiproduct-Firm Oligopoly

024/2018, B03, Volker Nocke, Nicolas Schutz. Published In RAND Journal of Economics

All-Pay Oligopolies: Price Competition with Unobservable Inventory Choices

020/2018, B03, Joao Montez, Nicolas Schutz. Published in Review of Economic Studies, 88(5): 2407-2438, 2021

Deception and Competition in Search Markets

014/2018, B03, Tobias Gamp, Daniel Krähmer. Published as "Competition in Search Markets with Naive Consumers" in RAND Journal of Economics, 53(2): 356-385, 2022

Full Surplus Extraction in Mechanism Design with Information Disclosure

011/2018, B03, Daniel Krähmer. Published as "Information Disclosure and Full Surplus Extraction in Mechanism Design" in Journal of Economic Theory, 187: 105020, 2020