Research

• Improving recycling: How far should we go? (with Huan Ha)
• How resilient are sharing economy platforms during pandemic times? (with Muxin Li, Anaïs Périlleux, and Alain Strowel)
• Network goods, price discrimination, and two-sided platforms (with Martin Peitz). Seminar presentation
• Spillovers in crowdfunding (with Thomas Lambert and Armin Schwienbacher)

Here is my work related to digital platforms and network effects.

Book

• The Economics of Platforms: Concepts and Strategy (Cambridge University Press, 2021)

In refereed journals

• A Multisided Value Proposition Canvas for Online Platforms (with N. Neysen). Journal of Business Ecosystems (2) 1 (2021), 1-14.
• The Tension between Market Shares and Profit under Platform Competition (with Martin Peitz and Eric Toulemonde). International Journal of Industrial Organization 81 (2021), 102807.
• Price Disclosure by Two-Sided Platforms (with M. Peitz). International Journal of Industrial Organization 67, 102529 (2019).
• Managing Competition on a Two-Sided Platform (with M. Peitz). Journal of Economics and Management Strategy 28 (2019), 5-22.
• Platform Competition: Who Benefits from Multihoming? (with Martin Peitz). International Journal of Industrial Organization 64 (2019), 1-26.
• Tax Incidence on Competing Two-Sided Platforms (with E. Toulemonde). Journal of Public Economic Theory, 20 (2018), 9-21. Presentation Slides

• The Rise and Fall of Take Eat Easy, or Why Markets are not Easy to Take in the Sharing Economy (with N. Neysen). Digiworld Economic Journal (Communications & Strategies). N° 108 (4th Quarter, 2017), 59-76.

• Who Benefits from Increased Competition Among Sellers on B2C Platforms? (with E. Toulemonde). Research in Economics 70 (2016), 741–751.
• Understanding the Strategies of Crowdfunding Platforms (with N. Omrani and M. Peitz). CESifo DICE Report, 2, June (2016), 6-10.
• An Economic Appraisal of MOOC Platforms: Business Models and Impacts on Higher Education (with J. Jacqmin). CESifo Economic Studies 62 (2016), 48-169.
• The Economics of Crowdfunding Platforms (with N. Omrani and M. Peitz). Information Economics and Policy 33 (2015), 11-28.
• Platform Competition and Seller Investment Incentives (with M. Peitz). European Economic Review, 50 (2010), 1059-1076.
• Negative Intra-Group Externalities in Two-Sided Markets (with E. Toulemonde). International Economic Review, 50/1 (2009), 245-272.
• Product Differentiation in Successive Vertical Oligopolies (with E. Toulemonde). Canadian Journal of Economics, 36 (2003), 523-545.
• Coordination on Formal vs. De Facto Standards: a Dynamic Approach. European Journal of Political Economy, 18 (2002), 153-176.
• Stable Coalition Structures with Open Membership and Asymmetric Firms. Games and Economic Behavior, 30 (2000), 1-21.
• An Economic Theory of Regional Clusters (with P. Picard and J.-F. Thisse). Journal of Urban Economics 48/1 (2000), 158-184.
• Adoption of Network Technologies in Oligopolies. International Journal of Industrial Organization, 16 (1998), 415-444.

Book chapters

• Myth #41. Network Effects Cannot Be Overcome. In M.C. Ketteman and S. Dreyer (eds). Busted! The Truth about the 50 Most Common Internet Myths. Hamburg: Verlag Hans-Bredow-Institut (2020).
• Inside the Engine Room of Digital Platforms: Review, Ratings and Recommendations (with Martin Peitz). In Ganuza, J.J. and G. Llobet (Eds). Economic Analysis of the Digital Revolution. FUNCAS Social and Economic Studies 5. Funcas: Madrid, Spain (2018).
• Platforms and network effects (with Martin Peitz). In Handbook of Game Theory and Industrial Organization, Volume II edited by Luis Corchon and Marco Marini, Edward Elgar.
• Les plateformes de l’économie collaborative: fonctionnement et enjeux. In La consommation collaborative. Enjeux et défis de la nouvelle société du partage, dirigé par Alain Decrop (Université de Namur), De Boeck. 2017
• Platforms and Network Effects (with M. Peitz). In Corchon, L. and M. Marini (Eds). Handbook of Game Theory and Industrial Organization. Edward Elgar. Chelthenam, UK, Northampton, MA, USA. Forthcoming 2017.
• Coopetition in Infomediation: General Analysis and Application to e-Tourism (with N. Neysen). In A. Matias, P. Nijkamp and M. Sarmento (eds.) Advances in Modern Tourism, vol. II. Chapter 14. 217-234 (2009). Berlin: Springer.

Large audience

• The competitive impacts of exclusivity and price transparency in markets with digital platforms (with M. Peitz). Concurrences N° 1 (2020), 2-12.
• Uber va-t-il mourir? The Conversation, December 2017.
• A qui profitent les sites de partage? Interview in Ca m’intéresse (October 2017, 74-77).
• Dans l’économie du partage, il faut comprendre que les taxes aussi sont partagées. The Conversation, May 2016.
• Les plateformes MOOCs. Menaces et opportunités pour l’enseignement universitaire (with J. Jacqmin). Regards Economiques, 110 (2014).

Here is my work dealing with the economics of Intellectual Property (IP) and innovation.

In refereed journals

• Strategic Promotion and Release Decisions for Cultural Goods (with Dimitri Paolini). Journal of Economics and Management Strategy 28 (2019), 198-224.
• The Economics of Digital Goods: A Progress Report. Review of the Economic Research on Copyright Issues 13, no. 2 (2016), 1-24.
• Incentives to Innovate in Oligopolies (with C. Vergari). The Manchester School 79 (2011), 6-28.
• Piracy and Competition (with P. Picard). Journal of Economics and Management Strategy 16/2 (2007), 351-383.
• Patents and Incentives to Innovate: Some Theoretical and Empirical Economic Evidence. Ethical Perspectives: Journal of the European Ethics Network 13, n◦2 (2006), 267-288.
• Oligopolistic Competition, IT Use for Product Differentiation, and the Productivity Paradox. International Journal of Industrial Organization 19 (2001), 227-248.
• Assessing the Diffusion of EDI Standards across Business Communities. EURAS Yearbook of Standardization Vol. 2 (1999), ed. by Manfred J. Holler and Esko Niskanen (Homo oeconomicus XV(3)), Munich: Accedo, 301-324.

Book chapters

• Digital Piracy (with M. Peitz). In Backhaus, J. (ed.) Encyclopedia of Law and Economics, New York: Springer Science+Business Media (2014).
• Innovation under Threat? Some Economic and Legal Considerations on the Patent Wars and Trolls (with A. Strowel). In Autenne, A., Cassiers, V. and Strowel, A. (eds) Droit, Economie et Valeurs. Hommage à Bernard Remiche. Brussels: Larcier (2014), 351-366.
• Digital Piracy: Theory (with M. Peitz). In Peitz, M. and Waldfogel, J. (eds.) The Oxford Handbook of the Digital Economy, Oxford: Oxford University Press (2012).
• How Efficient is the Patent System? A General Appraisal and an Application to the Pharmaceutical Sector. In A. Gosseries, A. Marciano and A. Strowel (eds.) Intellectual Property and Theories of Justice (2008). Palgrave Macmillan.
• La politique d’innovation dans une économie globalisée: quelques questions économiques ouvertes. In Remiche, B. et Kors, J (ed.), L’accord ADPIC: dix ans après. Regards croisés Europe-Amérique latine, (2007) Larcier: Bruxelles.
• Patents and Incentives to Innovate: Some Theoretical and Empirical Economic Evidence. In C Sri Krishna (ed.) Ideas, Innovations and Patents (2007). The Icfai University Press: Hyderabad, India. (Reprint of the article in Ethical Perspectives).
• Logiciels, créations commerciales et brevet. Quelques réflexions d’un économiste. In Remiche, B. (ed.), Le Brevet : pourquoi et pour faire quoi, (2006) Larcier: Bruxelles.
• Pricing Information Goods in the Presence of Copying. In Gordon, W.J. and Watt, R. (eds). The Economics of Copyright. Developments in Research and Analysis, (2003). Edward Elgar, UK.

Large audience

• Un trésor chez les pirates? Revue du Belgium-Luxembourg Business Club in Switzerland 2013/2014: 82-85.
• L’or caché des pirates. Regards Economiques-Focus, 07/05/2013.
• Le développement du marché des brevets et la problématique des patent trolls (avec L. Slits). 
Regards Economiques 83 (2010).
• Comment favoriser l’innovation dans le secteur pharmaceutique : brevets et/ou récompenses ? (with 
Tanguy van Ypersele). Reflets et Perspectives de la vie économique, XLV, n◦4 (2006): 23-35.
• L’économie de la propriété intellectuelle. Introduction et description du contenu. Reflets et Perspectives de la vie économique, XLV, n◦4 (2006): 5-9.
• Le piratage des biens d’information. Regards Economiques 17 (2003).

You will find here my work related to crowdfunding.

In refereed journals

• Understanding the Strategies of Crowdfunding Platforms (with N. Omrani and M. Peitz). CESifo DICE Report, 2, June (2016), 6-10.
• The Economics of Crowdfunding Platforms (with N. Omrani and M. Peitz). Information Economics and Policy 33 (2015), 11-28.
• Crowdfunding: Tapping the Right Crowd (with T. Lambert and A. Schwienbacher). Journal of Business Venturing 5 (2014), 585-609.
• Corrigendum to ‘Crowdfunding: Tapping the Richt Crowd’ (with M. Sahm, T. Lambert and A. Schwienbacher). Journal of Business Venturing 5 (2014), 610-611.
• Individual Crowdfunding Practices (with T. Lambert and A. Schwienbacher). Venture Capital: An International Journal of Entrepreneurial Finance, 15 (2013), 313-333.

Book chapters

• Effets de réseau et financement participatif : une analyse empirique (with Th. Lambert and A. Schwienbacher). In Moreau, F. and Y. Nicolas (Eds). Financement participatif : une voie d’avenir pour la culture ? coll. Questions de culture chiffres. Ministère de la Culture / Presses de Sciences Po.
• An Industrial Organization Framework to Understand the Strategies of Crowdfunding Platforms (with T. Lambert). In Meric, J., Brabet, J. and Maque, I. (eds) International Perspectives on Crowdfunding. Positive, Normative and Crtical Theory. Bingley (UK): Emerald Group Publishing (2016).

Large audience

• Crowdfunding: Some Empirical Findings and Microeconomic Underpinnings (with T. Lambert). Forum Financier – Revue Bancaire et Financière 4 (2014), 288-296.

Here is my work dealing with pricing strategies, especially for digital goods.

In refereed journals

• Competitive Imperfect Price Discrimination and Market Power (with W. Lam and W. Vergote). Marketing Science 39 (5), 996-1015.
• The Intricate Tale of Demand and Supply of Personal Data (with W. Vergote). Concurrences N° 3 (2018), 45-52.
• The Economics of Digital Goods: A Progress Report. Review of the Economic Research on Copyright Issues, 13, no. 2 (2016), 1-24.
• Monopoly Price Discrimination and Privacy: The Hidden Cost of Hiding (with W. Vergote). Economics Letters 149 (2016), 141-144.
• Versioning in the Information Economy: Theory and applications. CESIfo Economic Studies, 51 (2005), 329-358.
• Price and Quantity Experimentation: A Synthesis (with F. Bloch). International Journal of Industrial Organization, 19 (2001), 1563-1582.

Book chapters

• Versioning Information Goods. In G. Illing and M. Peitz (eds.), Industrial Organization and the Digital Economy, (2006) MIT Press.
• Pricing Information Goods in the Presence of Copying. In Gordon, W.J. and Watt, R. (eds). The Economics of Copyright. Developments in Research and Analysis, (2003). Edward Elgar, UK.

Large audience

• Modèles économiques des données : une relation entre demande et offre. Enjeux Numériques, N°2, June 2018. Also available in English.
• Faut-il craindre l’abandon des règles de protection de la vie privée aux États-Unis ? The Conversation, April 12, 2017
• Comment et pourquoi Donald Trump menace votre vie privée sur Internet. Le Point, April 14, 2017.
• La “taxe rose”: un genre de prix ou des prix de genres? Problèmes Economiques 3017 (2015).
• Economie des contenus numériques: bientôt la fin du gratuit ? (with X. Wauthy). Regards Economiques, 100 (2012).
• L’économie de la gratuité. Economie et Management n◦ 134 (2010): 9-15.

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Photo credit: Victoria Reay via Visualhunt / CC BY

You will find here my work concerning competition policy.

In refereed journals

• Asymmetric Information and Overinvestment in Quality (with M. Peitz). European Economic Review, 66 (2014), 127-143.
• Sustainable Collusion on Separate Markets (with F. Bloch). Economics Letters, 99 (2008), 384-386.
• Yardstick Competition and Political Agency Problems (with J. Hindriks). Social Choice and Welfare, 24 (2005), 155-169.
• Market Sharing Agreements and Collusive Networks (with F. Bloch). International Economic Review, 45 (2004), 387-411.

Large audience

• Théorie des jeux, guerre et paix, LSM Alumni-Connect (Septembre 2011), 11-14.
• Apprécier les effets unilatéraux des fusions en utilisant la théorie des jeux. Tijdschrift voor Belgische 
Medeginiging – Revue de la Concurrence Belge, 4 (2007): 3-8. 3