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
International price differences in online markets - Evidence from portable computers, with Nestor Duch-Brown, Frank Verboven and Andre Romahn, R&R Journal of International Economics
Estimating consumer inertia in repeated choices of smartphones, with Ambre Nicolle, R&R Journal of Industrial Economics
Unbundling the incumbent and deployment of high-speed broadband: Evidence from France, with Maude Hasbi and Marc Bourreau, R&R International Journal of Industrial Organization
Bene fits from competition in a high-inequality economy: The case of mobile telephony in South Africa, with Ryan Hawthorne, submitted
Narrowing the ‘digital divide’: the role of complementarities between fixed and mobile data in South Africa, with Ryan Hawthorne, submitted
Bundling and consumer churn in telecommunications, with Christine Zulehner and Julienne Liang
How bundling impacts entry? Evidence from broadband market, with Christine Zulehner and Roxana Fernandez
International price di erences in online markets - Evidence from portable computers, with Nestor Duch-Brown, Frank Verboven and Andre Romahn
Impact of Internet on the pricing of CD titles in France, with Marc Bourreau and Francois Moreau
Publications
Impact of competition, investment and regulation on prices of mobile services: Evidence from France,
with Ambre Nicolle and Christine Zulehner, Economic Inquiry, 2018, 56, Issue 2, pp.1322-1345.
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, 42, pp. 1-10.
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. 71–79.
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. 933–943.
Estimating demand for fixed-mobile bundles and switching costs between tariffs, with Julienne Liang,
Information Economics and Policy, 2015, 33, pp. 1–10.
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 Economics, 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
impact
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
05.2001 - 07.2005: Ph.D. Economics, University of Munich
10.1995 - 10.2000: M.Sc. Warsaw School of Economics
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
2010
- 2011: Senior
Lecturer, School of Economics, University of Cape
Town
2008 - 2010: Manager, Econometrics Team,
Ernst & Young, London
2007 - 2008: Economist, UK Competition Commission
2006 - 2007: Visiting Assistant Professor, Universidad de Alicante
2005 - 2006: Post-Doctoral Fellow CEPR RTN Competition Policy in International Markets at Katholieke Universiteit Leuven
2006 - 2006: Trainee at Chief Economist Team, DG Competition, European Commission in Brussels
2003 - 2005: Research Assistant,
Center for Information and Network Economics, University
of Munich
2001
- 2003: Research Assistant,
Center for Information and Network Economics,
University of Kiel
1998 - 2001: Database Marketing Manager,
Bertelsmann Media, Warsaw
1997 - 1997: Intern, Polkomtel
SA, Warsaw