Lukasz Grzybowski


Telecom ParisTech,
Department of Economics and Social Sciences,
46 rue Barrault
75013 Paris, France

Phone: +33 145 817 195


My CV as pdf file
  Research Interests
  Industrial Organization, Applied Econometrics, Network Economics, Telecommunications, Competition Policy


(1) Regulation of mobile telephony across the European Union: an empirical analysis,

    Journal of Regulatory Economics, 2005, 28(1), pp.47-67

(2) Estimating network effects in the mobile telecommunications industry in Germany, with Toker Doganoglu,

    Information Economics and Policy, 2007, 19(1), pp.65-79

(3) Simulation of merger in mobile telephony in Portugal, with Pedro Pereira

    Review of Industrial Organization, 2007, 31(3), pp.205-220

(4) The competitiveness of mobile telecommunications industry across the European Union,

    International Journal of the Economics of Business, 2008, 15(1), pp.99-115

(5) The impact of regulation on the retail prices in fixed-line telephony across the European Union,

    Telecommunications Policy, 2008, 32(2), pp.131-144

(6) Estimating switching costs in the mobile telecommunications industry in the UK,

    Journal of Industry, Competition and Trade, 2008, 8(2), pp.113-132

(7) Complementarity between calls and messages in mobile telephony, with Pedro Pereira

    Information Economics and Policy, 2008, 20(3), pp.279-287

(8) The consumer welfare loss of minimum charges in mobile telephony, with Pedro Pereira,

    Telecommunications Policy, 2009, 33(3-4), pp. 200-206

(9) Competition in mobile telephony in France and Germany, with Chiraz Karamti,

     Manchester School, 2010, 78(6), pp.702-724

(10) Hedonic study on mobile telephony market in France: price-quality strategies, with Chiraz Karamti,

      Netnomics, 2010, 11(3), pp.255-289

(11) Estimating network choices and switching costs in mobile telephony, with Pedro Pereira,

      Review of Industrial Organization, 2011, 38(1), pp.23-42

(12) Screening competition in mobile telephony,
       Applied E
conomics, 2011, 43(17), pp.2155-2163
(13) Dynamic duopoly competition with switching costs and network externalities, with Toker Doganoglu

      Review of Network Economics, 2013, 12(1), pp.1-25
(14) Estimating broadband diffusion in the EU using NUTS1 regional data, with Magali Dauvin

      Telecommunications Policy, 2014, 38(1), pp. 96-104
(15) Fixed-to-mobile substitution in the European Union,
      Telecommunications Policy, 2014, 38(7), pp. 601-612
Market definition of broadband Internet services in Slovakia: are fixed and mobile in the relevant market?
       with Rainer Nitsche, Lars Wiethaus and Frank Verboven, 2014, Information Economics and Policy, 28, pp. 39-56

Working papers

(1) Substitution between fixed-line and mobile access: the role of complementarities,
with Frank Verboven
) Impact of Internet on the pricing of CD titles in France, with Marc Bourreau and Francois Moreau
(3) Estimating demand for quadruple-play tariffs: the impact on consumer surplus, with Julienne Liang
(4) Market power in wholesale gasoline industry in Poland


Current appointment

since 01.2012: Associate Professor, Telecom ParisTech

Other affiliation

since 01.2012: A/Professor, School of Economics, University of Cape Town


05.2001 - 07.2005: Ph.D. Economics, University of Munich
10.1995 - 10.2000: M.Sc. Warsaw School of Economics

Visiting appointments

10.2004 - 06.2005: visiting researcher at IDEI, Universite de Toulouse 1
01.2004 - 06.2004: Marie Curie Fellowship at Universitat Pompeu Fabra, Barcelona

05.2001 - 04.2003: researcher at Center for Information and Network Economics, University of Kiel
04.2000 - 10.2000: undergraduate exchange student at University of Münster


07.2010 - 12.2011: Senior Lecturer, School of Economics, University of Cape Town
08.2008 - 06.2010: Manager, Econometrics Team, Ernst & Young, London

08.2007 - 08.2008: Economist, UK Competition Commission

10.2006 - 10.2007: Visiting Assistant Professor, Universidad de Alicante

09.2005 - 10.2006: Post-Doctoral Fellow CEPR RTN Competition Policy in International Markets at Katholieke Universiteit Leuven

04.2006 - 08.2006: Trainee at Chief Economist Team, DG Competition, European Commission in Brussels

05.2003 - 07.2005: Research Assistant, Center for Information and Network Economics, University of Munich
05.2001 - 04.2003: Research Assistant, Center for Information and Network Economics, University of Kiel
09.1998 - 04.2001: Database Marketing Manager, Bertelsmann Media, Warsaw
07.1997 - 09.1997: Intern, Polkomtel SA, Warsaw