Homepage Paul de Bijl

Personal data

Name:	Paul de Bijl
Sector :	Competition and Regulation
Telephone :	+31 70 33 83  379
Fax :	+31 70 33 83 350
E-mail :	P.W.J.de.Bijl@cpb.nl

Current activities

• Head of Department 'Competition and regulation' / hoofd van de sector Marktordening

Main research interests

Regulatory economics and industrial organization; in particular in electronic communications and media markets

Work experience

Aug 2006 – present	Head of department Competition & Regulation, CPB Netherlands Bureau for Economic Policy Analysis
Feb 2003 – Jul 2006	Research coordinator, TILEC (Tilburg Law & Economics Center), and CentER fellow, Tilburg University
Dec 2001 – Jan 2003	Senior policy advisor, Ministry of Finance (The Hague), strategic policy unit at the Financial and Economic Policy Directorate (AFEP)
Mar 1998 – Nov 2001	Senior researcher, CPB Netherlands Bureau for Economic Policy Analysis (The Hague), Competition & Regulation unit
Jan 1996 – Feb 1998	Consultant, Science & Strategy (Utrecht/Amsterdam), strategy & marketing consulting firm
Other affiliations
June 2010 - present	Member of the International Editorial Board of Communications & Strategies, an academic journal on the telecoms, IT and audiovisual sectors
August 2006 – present	Extramural fellow of TILEC (Tilburg Law & Economics Center), Tilburg University.
Oct 2003 – present	Fellow of ENCORE (Economics Network for Competition and Regulation) Fellows Network

Education

May 1992 – Dec 1995	PhD in Economics, CentER for Economic Research (Tilburg University) and University of Toulouse I
Sep 1986 – Apr 1992	MSc in Econometrics, Erasmus University Rotterdam

Publications

Books

• Essays in Industrial Organization and Management Strategy (1996), CentER Dissertation Nr. 13, CentER for Economic Research, Tilburg University.
• Regulation and Entry into Telecommunications Markets (2002), Cambridge University Press, with Martin Peitz. (Book in combination with simulation programs in Mathematica.)
  

        Reprints: 2003, 2004. Electronic edition: 2004. Paperback edition: 2008. Chinese translation (The Press Syndicate of the University of Cambridge): 2008.
        Reviewed in the Journal of Economic Literature 42(2), 2004, p. 538-539.

Articles in academic journals (English)

• "Technological change in markets with network externalities” (1995), International Journal of Industrial Organization 13, 307 325, with Sanjeev Goyal.
• "Entry deterrence and signaling in markets for search goods” (1997), International Journal of Industrial Organization 16, 1 19.
• "The jigsaw puzzle of policy and dynamics: who can put the pieces together?” (1998), De Economist  146, 495 500, with Eric Bartelsman and Marcel Canoy.
• "Market integration and technological change” (2002), Netnomics 4, 19-37, with Sanjeev Goyal.
• "New competition in telecommunications markets: regulatory pricing principles” (2002), ifo Studien (now called CESifo Economic Studies) 48, 27-52, with Martin Peitz.
• "Dynamic regulation and entry in telecommunications markets: A policy framework” (2004), Information Economics and Policy 16, 411-437, with Martin Peitz.
• "Local loop unbundling in Europe: experience, prospects and policy challenges” (2005), Communications & Strategies 1/57, 33-57, with Martin Peitz.
• "Structural separation and access in telecommunications markets” (2005), Journal of Network Industries (now called Competition and Regulation in Network Industries) 6(2), 95-114 .
• "Broadband Access in Europe: Challenges for Policy and Regulation” (2006), CESifo DICE Report 4(3), 10-15, with Martin Peitz.
• "Network neutrality and the nature of competition between network operators” (2007), International Economics and Economic Policy 4, special issue on the Digital Economy and Regulatory Issues, 159-184, with Viktória Kocsis.
• "Network neutrality and competition between networks: a brief sketch of the issues” (2008), Intereconomics 43(1), Special issue on network neutrality, 15-24, with Viktória Kocsis.
• "Innovation, convergence and the role of regulation in the Netherlands and beyond” (2008), Telecommunications Policy 32(11), special issue on Future Telecommunications Regulation: A Dutch Perspective, p. 744-754, with Martin Peitz.
• "Guest Editorial: The Future of Telecommunications Regulation”, (2008), Telecommunications Policy 32(11), special issue on Future Telecommunications Regulation: A Dutch Perspective, p. 699-700, with Jos Huigen. 
• "Access regulation and the adoption of VoIP” (2009), Journal of Regulatory Economics 35(2), p. 111-134, with Martin Peitz. 
• “Competition, innovation and intellectual property rights in software markets” (2009), Communications & Strategies 74 (2nd quarter), with Michiel Bijlsma and Viktória Kocsis.
• “Regulatory legacy, VoIP adoption and investment incentives” (forthcoming), Telecommunications Policy, with Martin Peitz.

Chapters in books (English)

• "New competition in telecommunications markets: regulatory pricing principles" (2003), in: Illig, Gehrard and Ulrich Klüh (eds.): Spectrum Auctions and Competition in Telecommunications, MIT Press, Cambridge MA, 45-72, with Martin Peitz.
• "Access to telecommunications networks" (2004), in Pierre A. Buigues and Patrick Rey (eds.): The Economics of Antitrust and Regulation in Telecommunications: Perspectives for the New European Regulatory Framework, Edward Elgar, Cheltenham UK and Northhampton MA, 135-168, with Marcel Canoy and Ron Kemp.
• "Regulating access to stimulate competition in postal markets?" (2005) in: M.A. Crew and P.R. Kleindorfer (eds.), Progress toward Liberalization of the Postal and Delivery Sector, Boston: Springer Science, 153-172, with Eric van Damme and Pierre Larouche.
• "Structural separation and access in telecommunications markets" (2005), in: Structural Separation and Access Pricing: A New Synthesis?, Publication 05EP12, Kenniscentrum voor Ordeningsvraagstukken, Ministry of Economic Affairs.
• "Unbundling the local loop: one-way access and imperfect competition" (2007), in: R. Dewenter and J. Haucap (eds.), Access Pricing: Theory and Practice, Elsevier Science, 91-117, with Martin Peitz.
  

Unpublished papers

• "Dividends and Long-Term Debt in a Two-Period Duopoly" (1990), mimeo, Econometric Institute, Erasmus University Rotterdam, with Bernard van Bunnik.
• "Moral Hazard and Noisy Information Disclosure" (1994), CentER Discussion Paper No. 9405, Tilburg University. Also: Chapter 2 in Essays in Industrial Organization and Management Strategy, PhD thesis, Tilburg University.
• "Delegation of Responsibility in Organizations" (1994/1996), CentER Discussion Paper No. 9469, Tilburg University. Also: Chapter 4 in Essays in Industrial Organization and Management Strategy, PhD thesis, Tilburg University.
• "Strategic Delegation of Responsibility in Competing Firms" (1995/1996), CentER Discussion Paper No. 9533, Tilburg University. Also: Chapter 5 in Essays in Industrial Organization and Management Strategy, PhD thesis, Tilburg University.
• "Aftermarkets: The Monopoly Case" (1995/1996), CentER Discussion Paper No. 95102, Tilburg University. Also: Chapter 6 in Essays in Industrial Organization and Management Strategy, PhD thesis, Tilburg University.

Articles in journals and books (Dutch)

• "Ondernemen als spel" (1995), ESB, nr. 4027, p. 886, with Eric van Damme.
• "De onzichtbare hand grijpt naast nieuwe markten" (1998), ESB, nr. 4156, p. 23-26, Dossier "Marktwerking, Deregulering en Wetgevingskwaliteit," with Eric Bartelsman and Marcel Canoy.
• "Meer productiviteit door meer productieve tijd? De invloed van ICT op tijdsbeleving en tijdspatronen" (2001), in: C. Hogenhuis, E. van der Panne and T. Hoekstra (eds.), Een nieuwe economie, een bevrijde tijd? De rol van ICT in versnelling én onthaasting, p. 62-83, Uitgeverij Kok, Kampen, with George Gelauff and Henry van der Wiel.
• "De vernieuwende economie" (2001), in: S. Brakman & A. van Witteloostuijn (eds.): Jonge wijn in oude zakken: Op weg naar een Nieuwe Economie?, p. 138-152, Uitgeverij De Arbeiderspers, Amsterdam, with George Gelauff.
• "Op weg naar een vrije postmarkt" (2003), ESB, nr. 4420, p. 566-568, with Eric van Damme and Pierre Larouche.
• "Afscheid van de schaarste van radiospectrum" (2005), ESB, nr. 4460, p. 230-231.
• "Marktordeningsbeleid: brengt het ons wat we ervan verwachten?"(2008), in P. van Bergeijk, A. van den Ende, P. Kalbfleisch, J. van Oers en J. van Sinderen (eds.), Trust en anti-trust, NMa, Den Haag, p. 33-43, with Coen Teulings.
• "De consument centraal?" (2008), in P. van Bergeijk, A. van den Ende, P. Kalbfleisch, J. van Oers en J. van Sinderen (eds.), Trust en anti-trust, NMa, Den Haag, p. 300-301.
• "Reactie op: Het CPB over welvaart en geluk" (2008), ESB 93(4547), p. 701, with George Gelauff en Herman Stolwijk.
• “Markten in beweging” (2008), in: Jaarboek 2007/2008, Koninklijke Vereniging voor de Staathuishoudkunde, Sdu Uitgevers, 179-193, with various others.
• “Liberalisering in telecom: missie geslaagd, operatie afgerond?” (2009), in: E. van Damme en M.P. Schinkel (eds.), Preadviezen 2009: Marktwerking en Publieke Belangen, Koninklijke Vereniging voor de Staathuishoudkunde, p. 117-146.

Commissioned papers, reports and professional publications

• "Regulering en zelfregulering in markten met kwaliteitsonzekerheid" (1997), OCFEB, with Eric van Damme, report commissioned by the Ministry of Economic Affairs.
• "Competition and regulation in telecommunications" (1998), CPB Report, nr. 4, p. 43-45.
• "Publishers caught in the Web? Strategies, performance and public policy" (2000), CPB Document nr. 119, with Marcel Canoy.
• "Publishers caught in the Web? Strategies, performance and public policy: General Framework" (2000), with Marcel Canoy.
• "Competition and Regulation in Telecommunications Markets" (2000), CPB report commissioned by OPTA, published as CPB Special Study, with Martin Peitz.
• "The renewing economy," (2000), CPB Report, nr. 1, p. 19-24, with George Gelauff.
• "Future policy in telecommunications: an analytical framework" (2001), CPB report commissioned by OPTA, published as CPB Document nr. 005, with Matthew Bennett and Marcel Canoy.
• "Access to telecommunications networks" (2002), CPB report commissioned by the European Commission/DG Competition, with Marcel Canoy and Ron Kemp. 
• "Towards a liberalised postal market" ("Op weg naar een vrije postmarkt") (2003), TILEC report commissioned by TPG Post, with Eric van Damme and Pierre Larouche.
• "De netbeheerder en commerciële activiteiten" (2004), TILEC report commissioned by Essent, with Eric van Damme and Arnald Kanning.
• "Economische en juridische eigendom" (2004), TILEC report commissioned by Essent, with Eric van Damme and Arnald Kanning.
• "Competition, innovation and future-proof policy" (2004), TILEC paper commissioned by Opta.
• "Innovatie: wat is het probleem?" (2004), TILEC position paper commissioned by the Ministry of Finance, with Eric van Damme.
• "De welvaartsbijdrage van het gebruik van radiospectrum" (2004), TILEC report commissioned by the Directorate-General Telecommunications and Post (Ministry of Economic Affairs).
• "Interconnected Networks" (2004), TILEC, Research financed by the Netherlands Organisation for Scientific Research (NWO), within the framework of 'Netwerk van Netwerken' (Network of Networks), with Gert Brunekreeft, Eric van Damme, Pierre Larouche, Natalya Shelkoplyas, and Valter Sorana. Also published as TILEC Discussion Paper 2005-007.
• "Structural separation and access in telecommunications markets" (2005), in: Structural Separation and Access Pricing: A New Synthesis?, publication 05EP12, Kenniscentrum voor Ordeningsvraagstukken, Ministry of Economic Affairs. Reviewed revision of a study commissioned by OECD, Ministry of Economic Affairs and ENCORE (2004).
• " 'Light is Right': Competition and Access Regulation in an Open Postal Sector" (2005), TILEC report commisioned by TNT and Deutsche Post, with Eric van Damme and Pierre Larouche.
• "Universal Service in Banking" (2006), TILEC report commissioned by NVB (Nederlandse Vereninging van Banken), with Eric van Damme, Sally Janssen and Pierre Larouche.
• "Network neutrality and the nature of competition between network operators" (2006), TILEC report commissioned by the Directorate-General Energy and Telecommunications (Ministry of Economic Affairs), with Viktória Kocsis.
• "Vernieuwing van het toezicht op communicatie" (2007), essay commissioned by the Directorate-General Energy and Telecommunications (Ministry of Economic Affairs), 7 December.
• "Convergentie, innovatie en veranderend consumentengedrag" (2008), essay commissioned by the Directorate-General Energy and Telecommunications (Ministry of Economic Affairs), 26 February.
• "Markten in beweging" (2008), Speciaal Onderwerp in Centraal Economisch Plan 2008, CPB, 96-108, with various others.
• "Markten in beweging" (2008), in: Jaarboek 2007/2008, Koninklijke Vereniging voor de Staathuishoudkunde, Sdu Uitgevers, 179-193, with various others.
• "Competition, innovation and intellectual property rights in software markets" (2009), CPB Document nr. 181, with Michiel Bijlsma and Viktória Kocsis.

Contributions to discussions and consultations

• "Reactie op 'Consultatiedocument NMa-agenda 2004' " (2003), with Eric van Damme and Pierre Larouche.
• "Response to: "Consultatiedocument NMa - Agenda 2005" " (2004), with Eric van Damme, Pierre Larouche, Geert Brunekreeft, Saskia Lavrijssen and Laura Parret.
• "Reactie op: concept-beleidsregels OPTA" (2005), with Pierre Larouche and Saskia Lavrijssen.
• "Reactie op Consultatie Agenda OPTA 2006" (2005), with Eric van Damme, Pierre Larouche and Saskia Lavrijssen.
• "Contribution of the Tilburg Law and Economics Center (TILEC) on the Commission's call for input regarding the review of the EC electronic communications framework and of the Recommendation on relevant markets" (2006), with various others.
  

Professional publications (for a broad audience)

• "Postmarkt" (2003), Het Financieele Dagblad, 11 August.
• "Postmarkt" (2004), Het Financieele Dagblad, 5 February, with Eric van Damme.
• "Postbeleid Nederland: Een kritische visie op de postvisie van de minister" (2004), Het Financieele Dagblad, Supplement Post & Telecom, 5 april, with Eric van Damme.
• "Regulering van netwerksectoren" (2004), Congresreader 'Marktregulering: Kwantitatieve modellen voor netwerksectoren', Wim Bogers Stichting, p. 25-27.
• "VoIP Challenges Regulation in Europe" (2005), Telecommunications Magazine, Americas Issue: September 16, with Martin Peitz.
• "Marktordeningsbeleid" (2008), aelementair 7(4), p. 23.
  

Book reviews

• Review of Co-opetition by A. Brandenburger and B. Nalebuff, in: Holland Management Review, nr. 53, 1997, with Harry Commandeur.
• "Hobby van kenniswerkers als concurrentievoordeel", review of Kennismanagement by M. Weggeman, in: Nieuwstribune, 28 August 1997.
• Review of Wharton on Dynamic Competitive Strategy by G. Day and D. Reibstein, in: Holland Management Review, nr. 56, 1997, with Harry Commandeur.
• Review of Wharton on Dynamic Competitive Strategy by G. Day and D. Reibstein, in: M&O Tijdschrift voor Management en Organisatie, nr. 2, 1998.
• Review of Wharton on Dynamic Competitive Strategy by G. Day and D. Reibstein, in: Tijdschrift voor Marketing, January 1998, with Harry Commandeur.
• "Leerboeken over markt, economie en recht" (2005), ESB, 4462, p. 260-261, with Eric van Damme.
• "Eer in plaats van bonus" (2009), review of De economie van de eer: Een nieuwe visie op verdienste en beloning by Dick Pels, Openbaar Bestuur nr 1, p. 33.
  

Presentations, seminars, workshops

• Presentation “Ordening en institutionele veranderingen: kracht en onmacht van de economische welvaartstheorie” at the yearly “jaarlijkse A-directiedag” (AEP/Ministry of Economic Affairs, AFEP/Ministry of Finance, ASEA/Ministry of Social Affairs and Employment), June 1st, 2010.
• Invited lecture “Introducing competition in telecoms: mission accomplished?”, workshop Effective Competition, Justus-Liebig-University, Giessen (Germany), 27-28 May 2010.
• Presentation “Economische uitdagingen in elektronische communicatie en media”, BTG Themadagen 2010, Utrecht, 26-27 May 2010.
• Presentation “Ordening en institutionele veranderingen: kracht en onmacht van de economische welvaartstheorie”, Economenlunch, NMa, Den Haag, 15 April 2010.
• Seminar “Competition, Innovation and Intellectual Property Rights in Software Markets” at WHU - Otto Beisheim School of Management, Vallendar (Germany), 1 March 2010.
• Presentation “Ordeningsvraagstukken en institutionele veranderingen: Versie 2.0 van de calculus van het publieke belang?”, Interdepartementale Klankbordgroep Ordeningsvraagstukken, Ministry of Economic Affairs, Den Haag, 23 February 2010.
• "Economische uitdagingen in elektronische communicatie en media", symposium on the occasion of the farewell of the directeur-hoofdinspecteur of the Agentschap Telecom (Radiocommunications Agency), Groningen, 25 January 2010.
• Presentation “Liberalisering in telecom: missie geslaagd, operatie afgerond?” and panel member, KVS Jaarvergadering/Behandeling Preadviezen Marktwerking en Publieke Belangen, 11 december 2009.
• Presentation “Liberalisering in telecom: missie geslaagd, operatie afgerond?”, Economenlunch, NMa, 3 december 2009.
• Presentation “Competition, Innovation and Intellectual Property Rights in Software Markets” at the 36th Telecommunications Policy Research Conference (TPRC), Arlington VA, 25-27 September 2009.
• Panel member at seminar Collectief rechtenbeheer - One stop shop voor een redelijk tarief: toekomstmuziek of utopie? (seminar on the changing role of collecting societies that act as trustees of copyright holders and collect royalty payments), organized by Bird & Bird LLP and PricewaterhouseCoopers, Media Park, Hilversum, 9 June 2009.
• Invited presentation at request of the OPTA Commission (het College van OPTA) on the future of telecoms policy and regulation, "Telecom: toekomst onzeker", Den Haag, 17 April 2009.
• Invited lecture "Marktfalen en overheidsbeleid in softwaremarkten" and interview on stage at annual conference of NOiV (Nederland Open in Verbinding), Media Plaza / Jaarbeurs, Utrecht, 5 March 2009.
• Invited lecture on financing long-term health care at conference "Hoe houden we de zorg goed en betaalbaar?", Rijksacademie voor Financiën en Economie, Den Haag, 29 January 2009.
• Invited presentation at request of Ministry of Economic Affairs (Directie Telecommarkt) on the future of telecoms policy and regulation, "Telecom 3.0: beleidsuitdagingen", Den Haag, 22 January 2009.
• Invited lecture on strategic priorities for the government w.r.t. competition, regulation and governance in semipublic sectors, Interdepartementale Klankbordgroep Ordeningsvraagstukken, Ministry of Economic Affairs, Den Haag, 28 October 2008.
• Presentation "Innovation, convergence and the role of regulation in the Netherlands and beyond" at the 36th Telecommunications Policy Research Conference (TPRC), Arlington VA, 26-28 September 2008.
• Invited lecture on activities and tasks of the Ministry of Economic Affairs  from an economic perspective, kenniskring EZ/LNV, Algemene Rekenkamer, Den Haag, 11 September 2008.
• Invited lecture at seminar on "Asymmetric regulation with regards to mobile termination rates", organized by University of Paris-Panthéon-Assas and University of Paris-Dauphine, Brussels, 30 January 2008.
• Invited presentation "Vernieuwing van het toezicht op communicatie" at workshop organized by Ministry of Economic Affairs (Directie Telecommarkt and Directie Marktwerking), Den Haag, 12 December 2007.
• Invited lecture "Marktordening in Nederland: Wat zijn de grote vraagstukken?" at ENCORE Fellows & Associates Meeting, Amsterdam, 7 December 2007.
• Discussant at conference Regulation, competition and Investment in Network Industries, IDEI and Bruegel, Brussels, 25-26 October 2007.
• At the 6th Conference on Applied Infrastructure Research (INFRADAY) on "Sustainability and Reliability of European Infrastructure - Investment, Innovation, and Regulation":
  - member of panel on "Infrastructure, Regulation, and Investment";
  - invited presentation "Innovation, Convergence and Regulation of NGNs";
  - invited presentation "Innovation, convergence and the role of regulation in the Netherlands and beyond".
    Technical University Berlin, 5-6 October 2007.
• Seminar, "Innovation, convergence and the role of regulation in the Netherlands and beyond", DIW Berlin (German Institute for Economic Research), 14 June 2007.
• Discussant at workshop organized by NMa, "Seminar detectiemethoden", Den Haag, 23 May 2007.
• Invited presentation "Access requirements and options in a VDSL environment: 
• An economic perspective" at WIK Conference VDSL-The Way to Next Generation Access Networks, Königswinter, 21-22 March 2007.
• Presentation "Competing networks in the Netherlands: Facilitate to the max, but prepare for the worst" at ENCORE Symposium The Future of Telecommunications Regulation 2006, Amsterdam, 2-3 November 2006.
• Presentation "Access regulation and the adoption of VoIP" at the 34th Telecommunications Policy Research Conference (TPRC), Arlington VA, 29 September - 1 October 2006.
• Discussant on theme "Investment and IP Networks" at ThinkTel workshop (International Think Tank on Telecommunications), Brussels, 20 September 2006.
• Presentation "Access regulation and the adoption of VoIP" at the annual EARIE (European Association for Research in Industrial Economics) conference, Amsterdam, 25-27 August 2006.
• Presentation "Access regulation and the adoption of VoIP" at 17th European Regional Conference of the International Telecommunications Society (ITS), Amsterdam, 22-24 August 2006.
• Seminar "Access regulation and the adoption of VoIP", Tilburg University, 17 May 2006.
• Seminar "Access regulation and the adoption of VoIP", University of Antwerp, 10 May 2006.
• Brainstorm session, organized by ENCORE, on urgent regulatory dilemmas in telecommunications markets, at OPTA, Den Haag, 7 March 2006, with Martin Peitz.
• Invited seminar, organized by ENCORE, "Access Regulation and the Emergence of VoIP", at OPTA, Den Haag, 7 March 2006, with Martin Peitz.
• Invited presentation "Call termination on mobile networks", at the European Commission / Information Society Directorate General, Brussels, 6 December 2005.
• Presentation "Call termination on mobile networks" at NAKE Day at the Dutch Central Bank, Amsterdam, 21 October 2005.
• Discussant at Competition Workshop "Privatisation of public companies: policy and experiences", organized by CPB, Ministry of Economic Affairs and Tilburg University, 11 October 2005.
• Presentation "Call termination on mobile networks" at 16th European Regional Conference of the International Telecommunications Society (ITS), Porto, 4-6 September 2005.
• Seminar "Local loop unbundling in telecoms: theory, experience and policy challenges", Wissenschaftszentrum Berlin (WZB), 7 March 2005.
• Seminar "Unbundling the Local Loop: One-Way Access and Imperfect Competition", ENCORE / University of Amsterdam, 28 January 2005.
• Presentation "Structural Separation and Access to Bottlenecks" at Conference Meeting Europe's Social and Economic Needs: How can science, government and industry develop a common European approach for four major European economic and social issues?, Tilburg University, 17-18 January 2005.
• Discussant at Competition Workshop "Investments to guarantee network reliability", organized by CPB, Ministry of Economic Affairs and Tilburg University, 6 October 2004.
• Invited speaker on innovation policy at Seminar De Kennisparadox organized by the Ministry of Finance, The Hague, 24 August 2004.
• Presentation "Structural separation and access to networks", CESifo Workshop on Recent Developments in Antitrust Analysis, Venice Summer Institute, Venice, 21-22 July 2004.
• Invited speaker on "Interconnected networks" at NVN Symposium 2004 'Netwerk van Netwerken', organized by the Netherlands Organisation for Scientific Research (NWO), Amsterdam, 9 July 2004.
• Presentation "Regulation of mobile telephony" at Wim Bogers Stichting Congres on Marktregulering: Kwantitatieve Modellen voor Netwerksectoren, Tilburg University, 13 May 2004.
• Presentation "The Structure of European Clearing and Settlement Markets", Dutch Competition Authority NMa, 6 May 2004.
• Seminar "Structural separation and access in telecommunications markets
  (and other markets with networks)", Portuguese Competition Authority, Lissabon, 19 April 2004.
• Seminar "Network interconnection between fixed and mobile telecoms operators" in Economics Workshop series, Tilburg University, 17 March 2004.
• Discussant at PhD Network Day of the Research School of Human Rights (Faculty of Law, Tilburg University) on "Economics and Human Rights", 13 February 2004.
• Training / policy workshop "Wholesale line rental", OPTA, 12 February 2004.
• Presentation "The Structure of European Clearing and Settlement Markets", Ministry of Finance, 29 January 2004.
• Training / Policy workshop "Future Policy on Local Broadband Access", OPTA, 29 January 2004.
• Presentation "Future Policy in Telecommunications: An Analytical Framework", OPTA, 18 December 2003.
• Invited keynote speaker on "Structural separation and access in telecommunications markets" at Conference on "Structural Separation and Access Pricing: A New Synthesis" organized by OECD, Ministry of Economics Affairs and ENCORE, 21 November 2003.
• Presentation "Regulation and entry into the Dutch postal market" at Third Conference on "Regulation, Competition and Universal Service in the Postal Sector", IDEI, Toulouse, November 13-14, 2003.
  
• Discussant at ENCORE Workshop on Market Transparency, 5 June 2003.
• Seminar "Regulation and entry into the Dutch postal market" in TILEC seminar series, Tilburg University, 25 April 2003.
• Presentation "New Competition in Telecommunications Markets: Regulatory Pricing Principles", CEPR European Summer Symposium on Economic Theory, (Gerzensee, Switzerland), 15-19 July 2002.
  
• Invited speaker at IBC Conference on telecommunications and European competition law, 4-5 December 2000, Brussels.
• ICFC Conference on convergence of new technologies and market dynamics: Forecasting, Economics and Marketing for the Communications Revolution, 26-29 September 2000, Seattle.
• Invited speaker at IBC Conference on telecommunications and European competition law, 24-25 September 1998, Brussels.
• Presentation "Delegation of Responsibility in Organizations" at the Seventh World Congress of the Econometric Society, 22-29 August, 1995, Tokyo, Japan.
• Various international academic conferences (e.g. ESEM, EARIE, ITS, EUNIP), 1992-1995.
• Various academic seminars (e.g. Toulouse, Leuven, Antwerp, Koblenz, Tilburg), 1992-1995.

Professional activities

• Member of program board of the research program of IPSE (Instituut voor Publieke Sector Efficiëntie Subsidies, TU Delft) on governance, innovation and productivity in the public sector, sponsored by the ministry of the Interior and Kingdom Relations (BZK), 2010 - present.
• Member of program committee of the 21st European Regional ITS Conference, “Telecommunications at new crossroads: Changing value configurations, user roles, and regulation”, Copenhagen, 13-15 September 2010.
• Economic expert in consortium led by TERA Consultants (Paris) for project “The Future on Interconnection Charging Methods” commissioned by DG Information Society & Media, European Commission.
• Independent member of advisory committee of the assessment of the Board of the NMa (Dutch Competition Authority), 2010.
• Member of program committee of the 1st Europe – Middle East – North Africa Regional  ITS Conference (20th European Regional ITS Conference), “Telecommunications in the Broader Society: Maximising the Benefits and Reducing the Risks”, Kingdom of Bahrain, 26-28 October, 2009.
• "Economic expert in round table meeting with “vaste commissie voor Economische Zaken” of the “Tweede Kamer” (Parliament) on “marktwerking en de veranderende rol van de overheid”, 19 May 2008."
• Advisory member of the Commissie Mededinging en Ordening, SER (Social and Economic Council of the Netherlands), 2008 - present.
• Member of scientific committee for conference on the “Impact of Regulation on Investment and Innovation Incentives” at the Centre for European Economic Research (ZEW), Mannheim, 1-2 October 2008. 
• Member of program committee of the 18th European Regional ITS Conference in Istanbul on September 2-4 2007.
• Guest editor of special issue Future Telecommunications Regulation: A Dutch Perspective of Telecommunications Policy, Volume 32, Issue 11, Pages 699-758 (December 2008) as a spinoff of ENCORE symposium The Future of Telecoms Regulation 2006, with Jos Huigen.
• Organizer of ENCORE symposium The Future of Telecoms Regulation 2006, sponsored by Ministry of Economic Affairs and OPTA, Amsterdam, 2-3 November 2006, with Jos Huigen (OPTA).
• Chairman of Competition Workshop, organized by CPB, TILEC/CentER (Tilburg University) and Ministry of Economic Affairs (takes place three times per year), August 2006 - present.
• Organizer of workshop “Structuring markets through regulation: the case of vertical separation”, at Conference Meeting Europe’s Social and Economic Needs: How can science, government and industry develop a common European approach for four major European economic and social issues?, Tilburg University, 17-18 January 2005.
• Organizer of conference The Economics of Networks, Tinbergen Institute (Erasmus University Rotterdam), with Sanjeev Goyal; invited sessions on telecommunications, Internet and the airline industry, 25 26 March 1999.