Lukasz Grzybowski


My CV as pdf file

Working Papers

International price differences in online markets - Evidence from portable computers,
with Nestor Duch-Brown, Frank Verboven and Andre Romahn,
R&R American Economic Journal: Micro
Narrowing the ‘digital divide’: the role of complementarities between fixed and mobile data in South Africa,
with Ryan Hawthorne, under review

Mobile phones and financial inclusion in Sub-Saharan Africa,
with Valentin Lindlacher, Onkokame Mothobi, under review

Impact of roaming regulation on revenues and prices of mobile operators in the EU,
with Angela Munoz, under review

How bundling impacts entry? Evidence from broadband market,
with Christine Zulehner and Roxana Fernandez

Bundling and consumer churn in telecommunications,
with Christine Zulehner and Julienne Liang

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


Estimating consumer inertia in repeated choices of smartphones

with Ambre Nicolle, Journal of Industrial Economics, 2021, 63(1), pp.33-82.

Are online markets more integrated than traditional markets? Evidence from consumer electronics,
with Nestor Duch-Brown, Frank Verboven and Andre Romahn, Journal of International Economics, 2021, 131.

Distribution of the benefits of regulation vs. competition: The case of mobile telephony in South Africa,
with Ryan Hawthorne,
International Journal of Industrial Organization, 2021, 74.

Unbundling the incumbent and deployment of high-speed broadband: Evidence from France,
with Maude Hasbi and Marc Bourreau, International Journal of Industrial Organization, 2019, 67.

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 E
conomics, 2011, 43(17), pp.2155-2163

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