Lukasz Grzybowski



Address



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

Phone: +33 145 817 195
E-mail: lukasz.grzybowski@telecom-paristech.fr

   

My CV as pdf file
 

Publications

Impact of competition, investment and regulation on prices of mobile services: Evidence from France,
with Ambre Nicolle and Christine Zulehner, 2018, Economic Inquiry, forthcoming.

Transition from copper to fiber broadband: The role of connection speed and switching costs,
with Julienne Liang and Maude Hasbi, Information Economics and Policy, 2018, forthcoming.

The impact of online sales on consumers and firms. Evidence from consumer electronics,
with Nestor Duch-Brown, Andre Romahn and Frank Verboven, Frank, International Journal of Industrial Organization, 2017, 52, pp. 30-62.

Infrastructure deficiencies and adoption of mobile money in Sub-Saharan Africa,
with Onkokame Mothobi
Information Economics and Policy, 2017, 40, pp. 7179.

Substitution between fixed-line and mobile access: the role of complementarities,
with Frank Verboven,
Journal of Regulatory Economics, 2016, 49(2), pp. 113-151.


The role of network effects and consumer heterogeneity in the adoption of mobile phones: evidence from South Africa
,
Telecommunications Policy, 2015, 39(11), pp. 933943.

Estimating demand for fixed-mobile bundles and switching costs between tariffs
,
with Julienne Liang,
Information Economics and Policy, 2015, 33, pp. 110.


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

Fixed-to-mobile substitution in the European Union
,
Telecommunications Policy, 2014, 38(7), pp. 601-612


Estimating broadband diffusion in the EU using NUTS1 regional data,
with Magali Dauvin
Telecommunications Policy, 2014, 38(1), pp. 96-104


Dynamic duopoly competition with switching costs and network externalities,
with Toker Doganoglu

Review of Network Economics, 2013, 12(1), pp.1-25


Screening competition in mobile telephony
,
Applied E
conomics, 2011, 43(17), pp.2155-2163


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

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


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

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


Competition in mobile telephony in France and Germany
, with Chiraz Karamti,

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


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

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


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

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


Estimating switching costs in the mobile telecommunications industry in the UK,

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


The i
mpact of regulation on the retail prices in fixed-line telephony across the European Union,

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


The competitiveness of mobile telecommunications industry across the European Union,

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


Simulation of merger in mobile telephony in Portugal
, with Pedro Pereira

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


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

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


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

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





Working papers


International price differences in online markets - Evidence from portable computers, with Nestor Duch-Brown, Frank Verboven and Andre Romahn

Unbundling the incumbent and entry into fiber - Evidence from France, with Maude Hasbi and Marc Bourreau

Bundling, consumer retention and entry: evidence from fixed broadband market, with Julienne Liang and Christine Zulehner

Estimating consumer inertia in repeated choices of smartphones, with Ambre Nicolle

Impact of Internet on the pricing of CD titles in France, with Marc Bourreau and Francois Moreau
 

Current appointment

since 01.2012: Associate Professor, Telecom ParisTech

Other affiliation

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

Education

06.2015:               Habilitation (Habilitation a diriger des recherches) Universite Paris 1 Pantheon-Sorbonne
05.2001 - 07.2005:
Ph.D. Economics, University of Munich
10.1995 - 10.2000: M.Sc. Warsaw School of Economics

Research 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


Employments

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