Details about Martin Peitz

Homepage:	http://peitz.vwl.uni-mannheim.de/
Postal address:	Department of Economics University of Mannheim 68131 Mannheim Germany
Workplace:	Abteilung für Volkswirtschaftslehre (Department of Economics), Universität Mannheim (University of Mannheim), (more information at EDIRC)

Access statistics for papers by Martin Peitz.

Last updated 2025-04-06. Update your information in the RePEc Author Service.

Short-id: ppe135

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Working Papers

2024

1. Asymmetric Platform Oligopoly
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
2. Biased Recommendations and Differentially Informed Consumers
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
3. Digital Attention Intermediaries
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
4. Geopolitical Risks and Prudential Merger Control
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
5. Germany’s New Competition Tool: Sector Inquiry With Remedies
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
6. Inflated Recommendations
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
   Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2022)
7. Platform-enabled information disclosure
   CEPR Discussion Papers, C.E.P.R. Discussion Papers
   Also in CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2023) View citations (2)
   See also Journal Article Platform-enabled information disclosure, International Journal of Industrial Organization, Elsevier (2025) (2025)
8. Product Recommendations and Price Parity Clauses
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (1)
   Also in CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2024)
9. The Economic Theory of Two-Sided Platforms
   CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany

2023

10. Ad Blocking, Whitelisting, and Advertiser Competition
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
11. Denial of Interoperability and Future First-Party Entry
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
12. Governance and Regulation of Platforms
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
    See also Chapter Governance and Regulation of Platforms, Springer Books, Springer (2025) (2025)
13. How to Apply the Self-Preferencing Prohibition in the DMA
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (1)
14. Market Definition and Three 19A DesignationsUnder German Antitrust Law: Alphabet, Meta, and Amazon
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
15. Network Goods, Price Discrimination, and Two-sided Platforms
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (1)
    Also in LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2020) View citations (7)
16. The Digital Markets Act and the Whack-A-Mole Challenge
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany

2022

17. Collusion Between Non-differentiated Two-Sided Platforms
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (2)
    See also Journal Article Collusion between non-differentiated two-sided platforms, Economics Letters, Elsevier (2022) View citations (1) (2022)
18. Market Power of Digital Platforms
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
    See also Journal Article Market power of digital platforms, Oxford Review of Economic Policy, Oxford University Press and Oxford Review of Economic Policy Limited (2023) View citations (1) (2023)
19. The Law and Economics of AI Liability
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (2)
20. The tension between market shares and profit under platform competition
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (9)
    Also in CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2020) View citations (3)
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2020) View citations (3)
    LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2020) View citations (3)
    CEPR Discussion Papers, C.E.P.R. Discussion Papers (2020) View citations (3)
    See also Journal Article The tension between market shares and profit under platform competition, International Journal of Industrial Organization, Elsevier (2022) View citations (9) (2022)

2021

21. Digital Platforms and the New 19a Tool in the German Competition Act
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (6)
22. Market Definition in the Platform Economy
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (26)
23. The Economics of Platforms: Concepts and Strategy
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (47)

2020

24. Ad Clutter, Time Use and Media Diversity
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (3)
    Also in CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2019) View citations (2)
    CEPR Discussion Papers, C.E.P.R. Discussion Papers (2020) View citations (3)
    See also Journal Article Ad Clutter, Time Use, and Media Diversity, American Economic Journal: Microeconomics, American Economic Association (2023) View citations (3) (2023)
25. Big Tech Mergers
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (9)
    Also in Working Papers, Barcelona School of Economics (2020) View citations (9)
    Economics Working Papers, Department of Economics and Business, Universitat Pompeu Fabra (2020) View citations (9)
    CEPR Discussion Papers, C.E.P.R. Discussion Papers (2020) View citations (9)
    See also Journal Article Big tech mergers, Information Economics and Policy, Elsevier (2021) View citations (9) (2021)
26. Economic policy for digital attention intermediaries
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research View citations (2)
27. Preparing for the Next Crisis: How to Secure the Supply of Essential Goods and Services
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (4)
28. Ratings, reviews and recommendations
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (5)
29. Removal of Potential Competitors – A Blind Spot of Merger Policy?
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (1)
30. State Aid Policies in Response to the COVID-19 Shock: Observations and Guiding Priciples
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (5)
    See also Journal Article State Aid Policies in Response to the COVID-19 Shock: Observations and Guiding Principles, Intereconomics: Review of European Economic Policy, Springer (2020) View citations (4) (2020)
31. Student Performance and Loss Aversion
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (2)
    Also in Rationality and Competition Discussion Paper Series, CRC TRR 190 Rationality and Competition (2019)
    See also Journal Article Student performance and loss aversion, Scandinavian Journal of Economics, Wiley Blackwell (2022) View citations (3) (2022)
32. The competitive impacts of exclusivity and price transparency in markets with digital platforms
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (3)
    Also in CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2019)
    LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2019)
33. Which Role for State Aid and Merger Control During and After the COVID Crisis?
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany

2019

34. Challenges for EU Merger Control
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (4)
35. Managing competition on a two-sided platform
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (42)
    Also in Working Papers, HAL (2018) View citations (1)
    Post-Print, HAL (2019) View citations (37)
    AMSE Working Papers, Aix-Marseille School of Economics, France (2018) View citations (1)
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2018) View citations (1)
    See also Journal Article Managing competition on a two‐sided platform, Journal of Economics & Management Strategy, Wiley Blackwell (2019) View citations (35) (2019)
36. Media See-Saws: Winners and Losers in Platform Markets
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (1)
    Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2017) View citations (5)
    See also Journal Article Media see-saws: Winners and losers in platform markets, Journal of Economic Theory, Elsevier (2020) View citations (25) (2020)
37. Platform competition: Who benefits from multihoming?
    Post-Print, HAL View citations (48)
    Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2017) View citations (3)
    Working Papers, University of Mannheim, Department of Economics (2017) View citations (3)
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2018) View citations (4)
    See also Journal Article Platform competition: Who benefits from multihoming?, International Journal of Industrial Organization, Elsevier (2019) View citations (50) (2019)
38. Platform competition: Who benefits from multihoming?International Journal of Industrial Organization, 64, 1-26, 2019
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE)
39. Price Disclosure by Two-Sided Platforms
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (9)
    Also in LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2019) View citations (9)
    LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2019) View citations (9)
    See also Journal Article Price disclosure by two-sided platforms, International Journal of Industrial Organization, Elsevier (2019) View citations (9) (2019)
40. Ratings, Reviews, Recommendations and the Consumption of Cultural Goods
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
    Also in LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2019)
41. Rethinking Liability Rules for Online Hosting Platforms
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
42. Segmentation Versus Agglomeration: Competition Between Platforms With Competitive Sellers
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (3)
    Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2017) View citations (8)
    Working Papers, University of Mannheim, Department of Economics (2017) View citations (8)
    See also Journal Article Segmentation versus Agglomeration: Competition between Platforms with Competitive Sellers, Journal of Political Economy, University of Chicago Press (2020) View citations (61) (2020)

2018

43. A Fresh Look at Zero-Rating
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (21)
    See also Journal Article A fresh look at zero-rating, Telecommunications Policy, Elsevier (2018) View citations (18) (2018)
44. General Distorted Input Ratios in Vertical Relationships
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
45. Inside the Engine Room of Digital Platforms: Reviews, Ratings, and Recommendations
    AMSE Working Papers, Aix-Marseille School of Economics, France View citations (15)
    Also in Working Papers, HAL (2018) View citations (13)
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany (2018) View citations (18)
46. Toward a coherent policy on cartel damages
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany
    Also in ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research (2017) View citations (1)
47. You Are Judged by the Company You Keep: Reputation Leverage in Vertically Related Markets
    CRC TR 224 Discussion Paper Series, University of Bonn and University of Mannheim, Germany View citations (2)
    Also in Working Papers, University of Mannheim, Department of Economics (2016)
    CEPR Discussion Papers, C.E.P.R. Discussion Papers (2016)
    See also Journal Article You are judged by the company you keep: Reputation leverage in vertically related markets, International Journal of Industrial Organization, Elsevier (2018) View citations (2) (2018)

2017

48. Bausteine für einen sektorenübergreifenden institutionellen Ordnungsrahmen für die Digitale Wirtschaft
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research
49. Datenmärkte in der digitalisierten Wirtschaft: Funktionsdefizite und Regelungsbedarf?
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research View citations (3)
50. Experimentation in Two-Sided Markets
    Munich Reprints in Economics, University of Munich, Department of Economics View citations (8)
    Also in Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich (2011) View citations (2)
    CESifo Working Paper Series, CESifo (2015) View citations (1)
    Working Papers, University of Mannheim, Department of Economics (2013)
    CEPR Discussion Papers, C.E.P.R. Discussion Papers (2011) View citations (2)
    See also Journal Article Experimentation in Two-Sided Markets, Journal of the European Economic Association, European Economic Association (2017) View citations (8) (2017)

2016

51. De-targeting: advertising an assortment of products to loss-averse consumers
    Working Papers, University of Mannheim, Department of Economics View citations (1)
    See also Journal Article De-targeting: Advertising an assortment of products to loss-averse consumers, European Economic Review, Elsevier (2017) View citations (10) (2017)
52. Digitale Plattformen: Bausteine für einen künftigen Ordnungsrahmen
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research View citations (1)
53. Net Neutrality: A Fast Lane to Understanding the Trade-offs
    NBER Working Papers, National Bureau of Economic Research, Inc View citations (80)
    Also in Working Papers, University of Mannheim, Department of Economics (2016) View citations (75)
    See also Journal Article Net Neutrality: A Fast Lane to Understanding the Trade-Offs, Journal of Economic Perspectives, American Economic Association (2016) View citations (80) (2016)
54. Net neutrality and inflation of traffic
    Other publications TiSEM, Tilburg University, School of Economics and Management View citations (26)
    Also in Discussion Paper, Tilburg University, Center for Economic Research (2015) View citations (8)
    Working Papers, University of Mannheim, Department of Economics (2015) View citations (10)
    Other publications TiSEM, Tilburg University, School of Economics and Management (2015) View citations (6)
    Other publications TiSEM, Tilburg University, School of Economics and Management (2015) View citations (6)
    Discussion Paper, Tilburg University, Tilburg Law and Economic Center (2015) View citations (14)
    See also Journal Article Net neutrality and inflation of traffic, International Journal of Industrial Organization, Elsevier (2016) View citations (23) (2016)
55. Platforms and network effects
    Working Papers, University of Mannheim, Department of Economics View citations (4)
    See also Chapter Platforms and network effects, Chapters, Edward Elgar Publishing (2018) View citations (11) (2018)
56. Suchmaschinen unter der Lupe: Informationsherrschaft und ihre Schranken
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research
    See also Journal Article Suchmaschinen unter der Lupe: Informationsherrschaft und ihre Schranken, Wirtschaftsdienst, Springer (2016) (2016)
57. Zwischen Sozialromantik und Neoliberalismus: Zur Ökonomie der Sharing-Economy
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research View citations (2)

2015

58. Capital-labor distortions in project finance
    Working Papers, University of Mannheim, Department of Economics
59. Media see-saws: winners and losers on media platforms
    Working Papers, University of Mannheim, Department of Economics View citations (7)
60. The Economics of Crowdfunding Platforms
    LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (172)
    Also in LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2015) View citations (149)
    See also Journal Article The economics of crowdfunding platforms, Information Economics and Policy, Elsevier (2015) View citations (153) (2015)

2014

61. Asymmetric information and overinvestment in quality
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (12)
    Also in CESifo Working Paper Series, CESifo (2009)
    See also Journal Article Asymmetric information and overinvestment in quality, European Economic Review, Elsevier (2014) View citations (14) (2014)
62. Competition under consumer loss aversion
    Working Papers, University of Mannheim, Department of Economics View citations (51)
    Also in Working Papers, University of Mannheim, Department of Economics (2012) View citations (9)
    See also Journal Article Competition under consumer loss aversion, RAND Journal of Economics, RAND Corporation (2014) View citations (51) (2014)
63. Digital piracy: an update
    LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (15)
64. Information Disclosure and Consumer Awareness
    Working Papers, University of Mannheim, Department of Economics View citations (4)
    See also Journal Article Information disclosure and consumer awareness, Journal of Economic Behavior & Organization, Elsevier (2016) View citations (16) (2016)
65. Reassessing competition concerns in electronic communications markets
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research View citations (5)
    See also Journal Article Reassessing competition concerns in electronic communications markets, Telecommunications Policy, Elsevier (2015) View citations (22) (2015)
66. The Economics of Internet Media
    Working Papers, University of Mannheim, Department of Economics View citations (8)

2013

67. Firm Reputation and Incentives to "Milk" Pending Patents
    CESifo Working Paper Series, CESifo View citations (6)
    See also Journal Article Firm reputation and incentives to “milk” pending patents, International Journal of Industrial Organization, Elsevier (2015) View citations (3) (2015)
68. Investment under uncertainty and regulation of new access networks
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research View citations (10)
    See also Journal Article Investment under uncertainty and regulation of new access networks, Information Economics and Policy, Elsevier (2014) View citations (18) (2014)
69. Loss Aversion and Consumption Choice: Theory and Experimental Evidence
    VfS Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order, Verein für Socialpolitik / German Economic Association View citations (4)
    Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2012) View citations (5)
    See also Journal Article Loss Aversion and Consumption Choice: Theory and Experimental Evidence, American Economic Journal: Microeconomics, American Economic Association (2015) View citations (63) (2015)

2012

70. Informing Consumers about their own Preferences
    Working Papers, University of Mannheim, Department of Economics View citations (7)
    See also Journal Article Informing consumers about their own preferences, International Journal of Industrial Organization, Elsevier (2012) View citations (7) (2012)
71. Network Investment, Access and Competition
    MPRA Paper, University Library of Munich, Germany View citations (39)
    See also Journal Article Network investment, access and competition, Telecommunications Policy, Elsevier (2012) View citations (39) (2012)

2011

72. Media Market Concentration, Advertising Levels, and Ad Prices
    CESifo Working Paper Series, CESifo
    Also in Discussion Paper Series in Economics, Norwegian School of Economics, Department of Economics (2011)
    See also Journal Article Media market concentration, advertising levels, and ad prices, International Journal of Industrial Organization, Elsevier (2012) View citations (29) (2012)
73. Netzzugang, Wettbewerb und Investitionen
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research View citations (1)
74. The Economics of Pending Patents
    CESifo Working Paper Series, CESifo View citations (2)
    See also Chapter The Economics of Pending Patents, Chapters, Edward Elgar Publishing (2012) View citations (3) (2012)

2010

75. Consumer Loss Aversion and the Intensity of Competition
    Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich View citations (4)
76. Digital Piracy: Theory
    CESifo Working Paper Series, CESifo View citations (16)
    Also in LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2010) View citations (20)
77. Investitionen, Wettbewerb und Netzzugang bei NGA: Ergebnisse einer Studie im Auftrag des Bundesministeriums für Wirtschaft und Technologie
    WIK Discussion Papers, WIK Wissenschaftliches Institut für Infrastruktur und Kommunikationsdienste GmbH
78. Platform competition and seller investment incentives
    LIDAM Reprints CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) View citations (23)
    See also Journal Article Platform competition and seller investment incentives, European Economic Review, Elsevier (2010) View citations (44) (2010)
79. Pricing and Information Disclosure in Markets with Loss-Averse Consumers
    Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich View citations (2)
    Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2010) View citations (6)
80. Worried about Adverse Product Effects? Information Disclosure and Consumer Awareness
    TSE Working Papers, Toulouse School of Economics (TSE)

2009

81. Indirect Taxation in Vertical Oligopoly
    CESifo Working Paper Series, CESifo View citations (4)
    Also in Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich (2009) View citations (4)
    See also Journal Article Indirect Taxation in Vertical Oligopoly, Journal of Industrial Economics, Wiley Blackwell (2014) View citations (16) (2014)

2008

82. Access Regulation and the Adoption of VoIP
    CPB Discussion Paper, CPB Netherlands Bureau for Economic Policy Analysis View citations (5)
    See also Journal Article Access regulation and the adoption of VoIP, Journal of Regulatory Economics, Springer (2009) View citations (12) (2009)
83. Advance-Purchase Discounts as a Price Discrimination Device
    CEPR Discussion Papers, C.E.P.R. Discussion Papers
    See also Journal Article Advance-purchase discounts as a price discrimination device, Journal of Economic Theory, Elsevier (2011) View citations (89) (2011)
84. Innovation, convergence and the role of regulation in the Netherlands and beyond
    CPB Discussion Paper, CPB Netherlands Bureau for Economic Policy Analysis View citations (25)
    See also Journal Article Innovation, convergence and the role of regulation in the Netherlands and beyond, Telecommunications Policy, Elsevier (2008) View citations (22) (2008)
85. Selling Service Plans to Differentially Informed Customers
    ZEW Discussion Papers, ZEW - Leibniz Centre for European Economic Research
86. Umbrella Branding and External Certification
    Discussion Paper Series of the Max Planck Institute for Research on Collective Goods, Max Planck Institute for Research on Collective Goods
    Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2007) View citations (1)
    See also Journal Article Umbrella branding and external certification, European Economic Review, Elsevier (2009) View citations (9) (2009)
87. With a little help from my enemy: comparative advertising as a signal of quality
    Departmental Working Papers, Department of Economics, Management and Quantitative Methods at Università degli Studi di Milano
    See also Journal Article With a Little Help from My Enemy: Comparative Advertising as a Signal of Quality, Journal of Economics & Management Strategy, Wiley Blackwell (2009) View citations (7) (2009)

2007

88. Innovation, Convergence and the Role of Regulation in the Netherlands
    Discussion Paper, Tilburg University, Tilburg Law and Economic Center View citations (4)
    Also in Other publications TiSEM, Tilburg University, School of Economics and Management (2007) View citations (4)
89. Intermediation and Investment Incentives
    CEPR Discussion Papers, C.E.P.R. Discussion Papers View citations (1)
    Also in LIDAM Discussion Papers CORE, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) (2006) View citations (2)
    Discussion Papers (ECON - Département des Sciences Economiques), Université catholique de Louvain, Département des Sciences Economiques (2006) View citations (1)

2006

90. Alliances between competitors and consumer information
    Departmental Working Papers, Department of Economics, Management and Quantitative Methods at Università degli Studi di Milano
    Also in Working Papers, University of Crete, Department of Economics (2006)
    See also Journal Article Alliances between Competitors and Consumer Information, Journal of the European Economic Association, MIT Press (2007) View citations (5) (2007)
91. Observable Reputation Trading
    Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich View citations (2)
    See also Journal Article OBSERVABLE REPUTATION TRADING, International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association (2007) View citations (7) (2007)
92. Umbrella Branding and the Provision of Quality
    Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich
    Also in CESifo Working Paper Series, CESifo (2004) View citations (4)
    Papers, Sonderforschungsbreich 504 (2004) View citations (2)
    Sonderforschungsbereich 504 Publications, Sonderforschungsbereich 504, Universität Mannheim (2004) View citations (2)
    See also Journal Article Umbrella branding and the provision of quality, International Journal of Industrial Organization, Elsevier (2008) View citations (27) (2008)

2005

93. Local Loop Unbundling in Europe: Experience, Prospects and Policy Challenges
    MPRA Paper, University Library of Munich, Germany View citations (34)
    Also in MPRA Paper, University Library of Munich, Germany (2005) View citations (35)
    Other publications TiSEM, Tilburg University, School of Economics and Management (2005) View citations (26)
    Discussion Paper, Tilburg University, Tilburg Law and Economic Center (2005) View citations (32)
94. Understanding the digital economy: Facts and theory introduction
    Munich Reprints in Economics, University of Munich, Department of Economics View citations (2)
    See also Journal Article Understanding the Digital Economy: Facts and Theory Introduction, CESifo Economic Studies, CESifo Group (2005) View citations (2) (2005)

2004

95. An Economist's Guide to Digital Music
    Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich View citations (6)
    Also in CESifo Working Paper Series, CESifo (2004) View citations (7)
    See also Journal Article An Economist's Guide to Digital Music, CESifo Economic Studies, CESifo Group (2005) View citations (27) (2005)
96. Comparative Advertising and Competition Policy
    Working Papers, Dipartimento Scienze Economiche, Universita' di Bologna View citations (7)
97. Content and Advertising in the Media: Pay-TV versus Free-To-Air
    CEPR Discussion Papers, C.E.P.R. Discussion Papers View citations (51)
    See also Journal Article Content and advertising in the media: Pay-tv versus free-to-air, International Journal of Industrial Organization, Elsevier (2008) View citations (185) (2008)
98. Dynamic Regulation and Entry in Telecommunications Markets: A Policy Framework
    Discussion Paper, Tilburg University, Tilburg Law and Economic Center View citations (32)
    Also in Other publications TiSEM, Tilburg University, School of Economics and Management (2004) View citations (24)
    See also Journal Article Dynamic regulation and entry in telecommunications markets: a policy framework, Information Economics and Policy, Elsevier (2004) View citations (36) (2004)
99. File-Sharing, Sampling, and Music Distribution
    Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich View citations (7)
100. Monopoly Pricing under Demand Uncertainty: Final Sales versus Introductory Offers
     PIER Working Paper Archive, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania
     Also in PIER Working Paper Archive, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania (2003) View citations (2)
101. Platform Ownership
     Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich View citations (6)
     Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2004) View citations (6)
     PIER Working Paper Archive, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania (2004) View citations (10)
     See also Journal Article Platform Ownership, Journal of the European Economic Association, MIT Press (2007) View citations (36) (2007)
102. Selling Reputation When Going out of Business
     CESifo Working Paper Series, CESifo
     Also in Sonderforschungsbereich 504 Publications, Sonderforschungsbereich 504, Universität Mannheim (2004)
     Papers, Sonderforschungsbreich 504 (2004)
103. The Effect of Internet Piracy on CD Sales: Cross-Section Evidence
     CESifo Working Paper Series, CESifo View citations (61)
104. Unbundling the Local Loop: One-Way Access and Imperfect Competition
     Discussion Paper, Tilburg University, Tilburg Law and Economic Center View citations (10)
     Also in Other publications TiSEM, Tilburg University, School of Economics and Management (2004) View citations (8)

2003

105. Piracy of Digital Products: A Critical Review of the Economics Literature
     CESifo Working Paper Series, CESifo View citations (36)

2002

106. New Competition in Telecommunications Markets: Regulatory Pricing Principles
     CESifo Working Paper Series, CESifo View citations (7)
107. With A Little Help From My Enemy: Comparative Advertising
     Working Papers, Dipartimento Scienze Economiche, Universita' di Bologna

2001

108. RETAILER LOCATIONS, LOCAL SUPPLY AND PRICE POLICIES
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) View citations (1)

2000

109. Exclusionary Practices and Entry Under Asymmetric Information
     Econometric Society World Congress 2000 Contributed Papers, Econometric Society

1999

110. - AGGREGATION IN A MODEL OF PRICE COMPETITION
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie)
     See also Journal Article Aggregation in a Model of Price Competition, Journal of Economic Theory, Elsevier (2000) View citations (6) (2000)
111. - EQUILIBRIUM UNIQUENESS IN OLIGOPOLY GAMES WITH STRATEGIC COMPLEMENTS
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) View citations (1)
     See also Journal Article Equilibrium uniqueness in oligopoly games with strategic complements, Economics Letters, Elsevier (1999) View citations (1) (1999)
112. - EXCLUSIVE DEALING CLAUSES FACILITATE ENTRY
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie)
113. - INTERMEDIATION CAN REPLACE CERTIFICATION
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) View citations (3)
     See also Journal Article Intermediation Can Replace Certification, Journal of Economics & Management Strategy, Wiley Blackwell (2000) View citations (5) (2000)
114. - THE CIRCULAR ROAD REVISITED: UNIQUENESS AND SUPERMODULARITY
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) View citations (1)
     See also Journal Article The circular road revisited: Uniqueness and supermodularity, Research in Economics, Elsevier (1999) View citations (1) (1999)

1998

115. - A DIFFICULTY WITH THE ADDRESS MODELS OF PRODUCT DIFFERENTIATION
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) View citations (3)
     See also Journal Article A difficulty with the address models of product differentiation, Economic Theory, Springer (1999) View citations (3) (1999)
116. - CONSUMER HETEROGENEITY AND MARKET IMPERFECTIONS
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie)
117. - TWO-STAGE MODELS OF PRODUCT DIFFERENTIATION WITH UNIT-ELASTIC DEMAND
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) View citations (3)

1997

118. Models à La Lancaster and à La Hoteling: When they are the same
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie)
     See also Journal Article Models a la Lancaster and a la Hotelling: when they are the same, Economics Letters, Elsevier (1997) View citations (1) (1997)
119. The differentiation triangle
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) View citations (19)
     See also Journal Article The Differentiation Triangle, Journal of Industrial Economics, Wiley Blackwell (1997) View citations (14) (1997)

1996

120. Differentiated bertrand duopoly with variable demand
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie)
     See also Journal Article Differentiated Bertrand duopoly with variable demand, Research in Economics, Elsevier (1997) View citations (6) (1997)
121. Entry Threat in Duopoly
     Economics Series, Institute for Advanced Studies View citations (1)
122. Marketing cooperation for differentiated products
     Working Papers. Serie AD, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie)

Journal Articles

2025

1. Platform-enabled information disclosure
   International Journal of Industrial Organization, 2025, 99, (C)
   See also Working Paper Platform-enabled information disclosure, CEPR Discussion Papers (2024) (2024)

2024

2. Reparatur am Markt: Die Sektoruntersuchung nach der 11. GWB-Novelle
   Perspektiven der Wirtschaftspolitik, 2024, 25, (1), 20-27
3. Wettbewerbsfähigkeit, Telekommunikation und die Denkfehler des Mario Draghi: Kommentar
   DIW Wochenbericht, 2024, 91, (42), 664-664

2023

4. Ad Clutter, Time Use, and Media Diversity
   American Economic Journal: Microeconomics, 2023, 15, (2), 227-70 View citations (3)
   See also Working Paper Ad Clutter, Time Use and Media Diversity, CRC TR 224 Discussion Paper Series (2020) View citations (3) (2020)
5. Market power of digital platforms
   Oxford Review of Economic Policy, 2023, 39, (1), 34-46 View citations (1)
   See also Working Paper Market Power of Digital Platforms, CRC TR 224 Discussion Paper Series (2022) (2022)

2022

6. Collusion between non-differentiated two-sided platforms
   Economics Letters, 2022, 215, (C) View citations (1)
   See also Working Paper Collusion Between Non-differentiated Two-Sided Platforms, CRC TR 224 Discussion Paper Series (2022) View citations (2) (2022)
7. Introduction to Special Issue on Common Ownership and Interlocking Directorates
   Journal of Competition Law and Economics, 2022, 18, (1), 1-4 View citations (1)
8. Learning from electricity markets: How to design a resilience strategy
   Energy Policy, 2022, 168, (C) View citations (6)
9. Student performance and loss aversion
   Scandinavian Journal of Economics, 2022, 124, (2), 420-456 View citations (3)
   See also Working Paper Student Performance and Loss Aversion, CRC TR 224 Discussion Paper Series (2020) View citations (2) (2020)
10. The tension between market shares and profit under platform competition
    International Journal of Industrial Organization, 2022, 81, (C) View citations (9)
    See also Working Paper The tension between market shares and profit under platform competition, LIDAM Reprints CORE (2022) View citations (9) (2022)

2021

11. Big tech mergers
    Information Economics and Policy, 2021, 54, (C) View citations (9)
    See also Working Paper Big Tech Mergers, CRC TR 224 Discussion Paper Series (2020) View citations (9) (2020)
12. Versorgungsengpässe während einer Pandemie und was dagegen getan werden kann
    Wirtschaftsdienst, 2021, 101, (8), 600-603

2020

13. Distorted Input Ratios in Vertical Relationships
    Scandinavian Journal of Economics, 2020, 122, (4), 1480-1509
14. Media see-saws: Winners and losers in platform markets
    Journal of Economic Theory, 2020, 186, (C) View citations (25)
    See also Working Paper Media See-Saws: Winners and Losers in Platform Markets, CRC TR 224 Discussion Paper Series (2019) View citations (1) (2019)
15. Segmentation versus Agglomeration: Competition between Platforms with Competitive Sellers
    Journal of Political Economy, 2020, 128, (6), 2329 - 2374 View citations (61)
    See also Working Paper Segmentation Versus Agglomeration: Competition Between Platforms With Competitive Sellers, CRC TR 224 Discussion Paper Series (2019) View citations (3) (2019)
16. State Aid Policies in Response to the COVID-19 Shock: Observations and Guiding Principles
    Intereconomics: Review of European Economic Policy, 2020, 55, (4), 219-222 View citations (4)
    See also Working Paper State Aid Policies in Response to the COVID-19 Shock: Observations and Guiding Priciples, CRC TR 224 Discussion Paper Series (2020) View citations (5) (2020)

2019

17. Introduction to special issue on platforms
    Journal of Economics & Management Strategy, 2019, 28, (1), 3-4 View citations (3)
18. Julian Dörr Nils Goldschmidt Frank Schorkopf: Share Economy: Institutionelle Grundlagen und gesellschaftspolitische Rahmenbedingungen. Die Einheit der Gesellschaftswissenschaften im 21. Jahrhundert 1
    Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), 2019, 239, (2), 305-307
19. Managing competition on a two‐sided platform
    Journal of Economics & Management Strategy, 2019, 28, (1), 5-22 View citations (35)
    See also Working Paper Managing competition on a two-sided platform, LIDAM Reprints CORE (2019) View citations (42) (2019)
20. Platform competition: Who benefits from multihoming?
    International Journal of Industrial Organization, 2019, 64, (C), 1-26 View citations (50)
    See also Working Paper Platform competition: Who benefits from multihoming?, Post-Print (2019) View citations (48) (2019)
21. Price disclosure by two-sided platforms
    International Journal of Industrial Organization, 2019, 67, (C) View citations (9)
    See also Working Paper Price Disclosure by Two-Sided Platforms, CRC TR 224 Discussion Paper Series (2019) View citations (9) (2019)
22. Zäsur in der europäischen Wettbewerbs- und Industriepolitik: Freie Fahrt für europäische Champions?
    ifo Schnelldienst, 2019, 72, (08), 03-26 View citations (4)

2018

23. A fresh look at zero-rating
    Telecommunications Policy, 2018, 42, (7), 501-513 View citations (18)
    See also Working Paper A Fresh Look at Zero-Rating, CRC TR 224 Discussion Paper Series (2018) View citations (21) (2018)
24. You are judged by the company you keep: Reputation leverage in vertically related markets
    International Journal of Industrial Organization, 2018, 61, (C), 351-379 View citations (2)
    See also Working Paper You Are Judged by the Company You Keep: Reputation Leverage in Vertically Related Markets, CRC TR 224 Discussion Paper Series (2018) View citations (2) (2018)

2017

25. De-targeting: Advertising an assortment of products to loss-averse consumers
    European Economic Review, 2017, 95, (C), 103-124 View citations (10)
    See also Working Paper De-targeting: advertising an assortment of products to loss-averse consumers, Working Papers (2016) View citations (1) (2016)
26. Experimentation in Two-Sided Markets
    Journal of the European Economic Association, 2017, 15, (1), 128-172 View citations (8)
    See also Working Paper Experimentation in Two-Sided Markets, Munich Reprints in Economics (2017) View citations (8) (2017)

2016

27. Information disclosure and consumer awareness
    Journal of Economic Behavior & Organization, 2016, 128, (C), 209-230 View citations (16)
    See also Working Paper Information Disclosure and Consumer Awareness, Working Papers (2014) View citations (4) (2014)
28. Kollaboratives Wirtschaften oder Turbokapitalismus?: Zur Ökonomie der Sharing economy
    Perspektiven der Wirtschaftspolitik, 2016, 17, (3), 232-252 View citations (2)
29. Net Neutrality: A Fast Lane to Understanding the Trade-Offs
    Journal of Economic Perspectives, 2016, 30, (2), 127-50 View citations (80)
    See also Working Paper Net Neutrality: A Fast Lane to Understanding the Trade-offs, NBER Working Papers (2016) View citations (80) (2016)
30. Net neutrality and inflation of traffic
    International Journal of Industrial Organization, 2016, 46, (C), 16-62 View citations (23)
    See also Working Paper Net neutrality and inflation of traffic, Other publications TiSEM (2016) View citations (26) (2016)
31. Suchmaschinen unter der Lupe: Informationsherrschaft und ihre Schranken
    (Search Engines Under Investigation: Informational Power and Its Limits)
    Wirtschaftsdienst, 2016, 96, (11), 825-829
    See also Working Paper Suchmaschinen unter der Lupe: Informationsherrschaft und ihre Schranken, ZEW Discussion Papers (2016) (2016)
32. Understanding the Strategies of Crowdfunding Platforms
    ifo DICE Report, 2016, 14, (02), 06-10 View citations (2)

2015

33. Firm reputation and incentives to “milk” pending patents
    International Journal of Industrial Organization, 2015, 43, (C), 18-29 View citations (3)
    See also Working Paper Firm Reputation and Incentives to "Milk" Pending Patents, CESifo Working Paper Series (2013) View citations (6) (2013)
34. Loss Aversion and Consumption Choice: Theory and Experimental Evidence
    American Economic Journal: Microeconomics, 2015, 7, (2), 101-20 View citations (63)
    See also Working Paper Loss Aversion and Consumption Choice: Theory and Experimental Evidence, VfS Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order (2013) View citations (4) (2013)
35. Reassessing competition concerns in electronic communications markets
    Telecommunications Policy, 2015, 39, (10), 896-912 View citations (22)
    See also Working Paper Reassessing competition concerns in electronic communications markets, ZEW Discussion Papers (2014) View citations (5) (2014)
36. The economics of crowdfunding platforms
    Information Economics and Policy, 2015, 33, (C), 11-28 View citations (153)
    See also Working Paper The Economics of Crowdfunding Platforms, LIDAM Discussion Papers CORE (2015) View citations (172) (2015)

2014

37. Asymmetric information and overinvestment in quality
    European Economic Review, 2014, 66, (C), 127-143 View citations (14)
    See also Working Paper Asymmetric information and overinvestment in quality, LIDAM Reprints CORE (2014) View citations (12) (2014)
38. Competition under consumer loss aversion
    RAND Journal of Economics, 2014, 45, (1), 1-31 View citations (51)
    See also Working Paper Competition under consumer loss aversion, Working Papers (2014) View citations (51) (2014)
39. Die Modelle Uber und Airbnb: Unlauterer Wettbewerb oder eine neue Form der Sharing Economy?
    ifo Schnelldienst, 2014, 67, (21), 03-27 View citations (1)
40. Indirect Taxation in Vertical Oligopoly
    Journal of Industrial Economics, 2014, 62, (4), 709-755 View citations (16)
    See also Working Paper Indirect Taxation in Vertical Oligopoly, CESifo Working Paper Series (2009) View citations (4) (2009)
41. Investment under uncertainty and regulation of new access networks
    Information Economics and Policy, 2014, 26, (C), 28-41 View citations (18)
    See also Working Paper Investment under uncertainty and regulation of new access networks, ZEW Discussion Papers (2013) View citations (10) (2013)

2013

42. Flexible Geschäftsmodelle in der Telekommunikation und die Netzneutralitätsdebatte
    Wirtschaftsdienst, 2013, 93, (10), 695-701 View citations (1)
43. Innovation and waste in supply chain management
    Journal of Economic Behavior & Organization, 2013, 86, (C), 191-199 View citations (2)
44. Upstream Market Power and Wasteful Retailers
    Scandinavian Journal of Economics, 2013, 115, (1), 234-253 View citations (4)

2012

45. Die Netzneutralitätsdebatte aus ökonomischer Sicht
    Wirtschaftsdienst, 2012, 92, (11), 777-783 View citations (1)
46. Informing consumers about their own preferences
    International Journal of Industrial Organization, 2012, 30, (5), 417-428 View citations (7)
    See also Working Paper Informing Consumers about their own Preferences, Working Papers (2012) View citations (7) (2012)
47. Market Asymmetries and Investments in Next Generation Access Networks
    Review of Network Economics, 2012, 11, (1), 27 View citations (34)
48. Media market concentration, advertising levels, and ad prices
    International Journal of Industrial Organization, 2012, 30, (3), 321-325 View citations (29)
    See also Working Paper Media Market Concentration, Advertising Levels, and Ad Prices, CESifo Working Paper Series (2011) (2011)
49. Network investment, access and competition
    Telecommunications Policy, 2012, 36, (5), 407-418 View citations (39)
    See also Working Paper Network Investment, Access and Competition, MPRA Paper (2012) View citations (39) (2012)
50. The impact of different fibre access network technologies on cost, competition and welfare
    Telecommunications Policy, 2012, 36, (2), 96-112 View citations (16)

2011

51. Advance-purchase discounts as a price discrimination device
    Journal of Economic Theory, 2011, 146, (1), 141-162 View citations (89)
    See also Working Paper Advance-Purchase Discounts as a Price Discrimination Device, CEPR Discussion Papers (2008) (2008)
52. Investitionen in Next-Generation-Access-Netze: Zugangsverträge und Regulierung
    Wirtschaftsdienst, 2011, 91, (6), 406-413

2010

53. Boldrin, M. and Levine, D. K.: Against intellectual monopoly
    Journal of Economics, 2010, 101, (1), 97-98
54. Introduction
    Information Economics and Policy, 2010, 22, (4), 287-288
55. Platform competition and seller investment incentives
    European Economic Review, 2010, 54, (8), 1059-1076 View citations (44)
    See also Working Paper Platform competition and seller investment incentives, LIDAM Reprints CORE (2010) View citations (23) (2010)
56. Regulatory legacy, VoIP adoption, and investment incentives
    Telecommunications Policy, 2010, 34, (10), 596-605 View citations (14)

2009

57. Access regulation and the adoption of VoIP
    Journal of Regulatory Economics, 2009, 35, (2), 111-134 View citations (12)
    See also Working Paper Access Regulation and the Adoption of VoIP, CPB Discussion Paper (2008) View citations (5) (2008)
58. Umbrella branding and external certification
    European Economic Review, 2009, 53, (2), 186-196 View citations (9)
    See also Working Paper Umbrella Branding and External Certification, Discussion Paper Series of the Max Planck Institute for Research on Collective Goods (2008) (2008)
59. With a Little Help from My Enemy: Comparative Advertising as a Signal of Quality
    Journal of Economics & Management Strategy, 2009, 18, (4), 1071-1094 View citations (7)
    See also Working Paper With a little help from my enemy: comparative advertising as a signal of quality, Departmental Working Papers (2008) (2008)

2008

60. Bundling may blockade entry
    International Journal of Industrial Organization, 2008, 26, (1), 41-58 View citations (55)
61. Content and advertising in the media: Pay-tv versus free-to-air
    International Journal of Industrial Organization, 2008, 26, (4), 949-965 View citations (185)
    See also Working Paper Content and Advertising in the Media: Pay-TV versus Free-To-Air, CEPR Discussion Papers (2004) View citations (51) (2004)
62. Innovation, convergence and the role of regulation in the Netherlands and beyond
    Telecommunications Policy, 2008, 32, (11), 744-754 View citations (22)
    See also Working Paper Innovation, convergence and the role of regulation in the Netherlands and beyond, CPB Discussion Paper (2008) View citations (25) (2008)
63. Umbrella branding and the provision of quality
    International Journal of Industrial Organization, 2008, 26, (2), 546-556 View citations (27)
    See also Working Paper Umbrella Branding and the Provision of Quality, Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems (2006) (2006)

2007

64. A Theory of Clearance Sales
    Economic Journal, 2007, 117, (522), 964-990 View citations (33)
65. Alliances between Competitors and Consumer Information
    Journal of the European Economic Association, 2007, 5, (4), 823-845 View citations (5)
    See also Working Paper Alliances between competitors and consumer information, Departmental Working Papers (2006) (2006)
66. OBSERVABLE REPUTATION TRADING
    International Economic Review, 2007, 48, (2), 693-730 View citations (7)
    See also Working Paper Observable Reputation Trading, Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems (2006) View citations (2) (2006)
67. Platform Ownership
    Journal of the European Economic Association, 2007, 5, (6), 1130-1160 View citations (36)
    See also Working Paper Platform Ownership, Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems (2004) View citations (6) (2004)

2006

68. Broadband Access in Europe: Challenges for Policy and Regulation
    ifo DICE Report, 2006, 4, (03), 10-15 View citations (1)
69. Marktplätze und indirekte Netzwerkeffekte
    Perspektiven der Wirtschaftspolitik, 2006, 7, (3), 317-333 View citations (8)
70. Piracy of digital products: A critical review of the theoretical literature
    Information Economics and Policy, 2006, 18, (4), 449-476 View citations (161)
71. Why the music industry may gain from free downloading -- The role of sampling
    International Journal of Industrial Organization, 2006, 24, (5), 907-913 View citations (108)

2005

72. An Economist's Guide to Digital Music
    CESifo Economic Studies, 2005, 51, (2-3), 359-428 View citations (27)
    See also Working Paper An Economist's Guide to Digital Music, Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems (2004) View citations (6) (2004)
73. Asymmetric Regulation of Access and Price Discrimination in Telecommunications*
    Journal of Regulatory Economics, 2005, 28, (3), 327-343 View citations (32)
74. Asymmetric access price regulation in telecommunications markets
    European Economic Review, 2005, 49, (2), 341-358 View citations (57)
75. Understanding the Digital Economy: Facts and Theory Introduction
    CESifo Economic Studies, 2005, 51, (2-3), 187-188 View citations (2)
    See also Working Paper Understanding the digital economy: Facts and theory introduction, Munich Reprints in Economics (2005) View citations (2) (2005)

2004

76. A Strategic Approach to Software Protection: Comment
    Journal of Economics & Management Strategy, 2004, 13, (2), 371-374 View citations (23)
77. Competition in telecommunications: an introduction
    Information Economics and Policy, 2004, 16, (3), 315-321 View citations (25)
78. Dynamic regulation and entry in telecommunications markets: a policy framework
    Information Economics and Policy, 2004, 16, (3), 411-437 View citations (36)
    See also Working Paper Dynamic Regulation and Entry in Telecommunications Markets: A Policy Framework, Discussion Paper (2004) View citations (32) (2004)

2003

79. Hyperbolic discounting and secondary markets
    Games and Economic Behavior, 2003, 44, (1), 77-97 View citations (13)

2002

80. Competing Head‐to‐head or Selling to a Fringe
    Manchester School, 2002, 70, (1), 134-149
81. Price equilibrium in address models of product differentiation: unit-elastic demand
    Economic Theory, 2002, 20, (4), 849-860 View citations (9)
82. The pro-competitive effect of higher entry costs
    International Journal of Industrial Organization, 2002, 20, (3), 353-364 View citations (4)

2001

83. Book reviews
    Journal of Economics, 2001, 73, (2), 202-225

2000

84. Aggregation in a Model of Price Competition
    Journal of Economic Theory, 2000, 90, (1), 1-38 View citations (6)
    See also Working Paper - AGGREGATION IN A MODEL OF PRICE COMPETITION, Working Papers. Serie AD (1999) (1999)
85. Intermediation Can Replace Certification
    Journal of Economics & Management Strategy, 2000, 9, (1), 1-24 View citations (5)
    See also Working Paper - INTERMEDIATION CAN REPLACE CERTIFICATION, Working Papers. Serie AD (1999) View citations (3) (1999)

1999

86. A difficulty with the address models of product differentiation
    Economic Theory, 1999, 14, (3), 717-727 View citations (3)
    See also Working Paper - A DIFFICULTY WITH THE ADDRESS MODELS OF PRODUCT DIFFERENTIATION, Working Papers. Serie AD (1998) View citations (3) (1998)
87. Equilibrium uniqueness in oligopoly games with strategic complements
    Economics Letters, 1999, 65, (3), 347-351 View citations (1)
    See also Working Paper - EQUILIBRIUM UNIQUENESS IN OLIGOPOLY GAMES WITH STRATEGIC COMPLEMENTS, Working Papers. Serie AD (1999) View citations (1) (1999)
88. The circular road revisited: Uniqueness and supermodularity
    Research in Economics, 1999, 53, (4), 405-420 View citations (1)
    See also Working Paper - THE CIRCULAR ROAD REVISITED: UNIQUENESS AND SUPERMODULARITY, Working Papers. Serie AD (1999) View citations (1) (1999)

1997

89. Differentiated Bertrand duopoly with variable demand
    Research in Economics, 1997, 51, (2), 85-100 View citations (6)
    See also Working Paper Differentiated bertrand duopoly with variable demand, Working Papers. Serie AD (1996) (1996)
90. Models a la Lancaster and a la Hotelling: when they are the same
    Economics Letters, 1997, 54, (2), 147-154 View citations (1)
    See also Working Paper Models à La Lancaster and à La Hoteling: When they are the same, Working Papers. Serie AD (1997) (1997)
91. The Differentiation Triangle
    Journal of Industrial Economics, 1997, 45, (3), 305-328 View citations (14)
    See also Working Paper The differentiation triangle, Working Papers. Serie AD (1997) View citations (19) (1997)

1995

92. Utility maximization in models of discrete choice
    Economics Letters, 1995, 49, (1), 91-94 View citations (11)

Undated

93. On access pricing in telecoms: theory and European practice
    Telecommunications Policy, 27, (10-11), 729-740 View citations (3)

Books

2021

1. The Economics of Platforms
   Cambridge Books, Cambridge University Press View citations (27)
   Also in Cambridge Books, Cambridge University Press (2021) View citations (27)

2015

2. Industrial Organization
   Cambridge Books, Cambridge University Press View citations (13)
   Also in Cambridge Books, Cambridge University Press (2015) View citations (92)

2012

3. The Oxford Handbook of the Digital Economy
   OUP Catalogue, Oxford University Press View citations (196)

2008

4. Regulation and Entry into Telecommunications Markets
   Cambridge Books, Cambridge University Press View citations (24)
   Also in Cambridge Books, Cambridge University Press (2003) View citations (4)

Edited books

2022

1. Market Investigations
   Cambridge Books, Cambridge University Press

2014

2. The Analysis of Competition Policy and Sectoral Regulation
   World Scientific Books, World Scientific Publishing Co. Pte. Ltd.

2006

3. Industrial Organization and the Digital Economy, vol 1
   MIT Press Books, The MIT Press View citations (15)

Chapters

2025

1. Governance and Regulation of Platforms
   Springer
   See also Working Paper Governance and Regulation of Platforms, University of Bonn and University of Mannheim, Germany (2023) (2023)

2020

2. EU state aid policies in the time of COVID-19
   Chapter 1 in Europe in the Time of Covid-19, 2020, vol. 1, pp 73-77 View citations (4)
3. The EU recovery fund: An opportunity for change
   Chapter 1 in Europe in the Time of Covid-19, 2020, vol. 1, pp 78-82 View citations (1)

2018

4. Platforms and network effects
   Chapter 11 in Handbook of Game Theory and Industrial Organization, Volume II, 2018, pp 286-317 View citations (11)
   See also Working Paper Platforms and network effects, University of Mannheim, Department of Economics (2016) View citations (4) (2016)

2012

5. The Economics of Pending Patents
   Chapter 3 in Recent Advances in the Analysis of Competition Policy and Regulation, 2012 View citations (3)
   See also Working Paper The Economics of Pending Patents, CESifo (2011) View citations (2) (2011)