Details about Lukasz Grzybowski

Access statistics for papers by Lukasz Grzybowski.

Last updated 2025-03-23. Update your information in the RePEc Author Service.

Short-id: pgr230

Working Papers

2025

1. Socioeconomic Determinants of Awareness of Energy Labels and Their Influence on Purchase Decisions in the EU
   CESifo Working Paper Series, CESifo

2024

2. Interoperability between mobile money agents and choice of network operators: the case of Tanzania
   Working Papers, Faculty of Economic Sciences, University of Warsaw
   See also Journal Article Interoperability Between Mobile Money Agents and Choice of Network Operators: The Case of Tanzania, Review of Network Economics, De Gruyter (2023) (2023)
3. Mobile money and financial inclusion in Sub-Saharan Africa
   Working Papers, Faculty of Economic Sciences, University of Warsaw
   See also Journal Article Mobile money and financial inclusion in Sub-Saharan Africa, Information Economics and Policy, Elsevier (2023) View citations (3) (2023)
4. Narrowing the ‘digital divide’: the role of fixed and mobile infrastructure
   Working Papers, Faculty of Economic Sciences, University of Warsaw
5. The Impact of Mobile Phones on Change in Employment Status in South Africa
   Working Papers, Faculty of Economic Sciences, University of Warsaw
   See also Journal Article The Impact of Mobile Phones on Change in Employment Status in South Africa, Review of Network Economics, De Gruyter (2023) (2023)

2023

6. The Efficiency of State Aid for the Deployment of High-Speed Broadband: Evidence from the French Markets
   CESifo Working Paper Series, CESifo View citations (1)
   See also Journal Article The Efficiency of State Aid for the Deployment of High-Speed Broadband: Evidence from the French Market, ERSA Working Paper Series, Economic Research Southern Africa (2024) (2024)

2022

7. Evaluating the Impact of Online Market Integration-Evidence from the EU Portable PC Market
   Working Papers, HAL
   Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2020) View citations (7)
   See also Journal Article Evaluating the Impact of Online Market Integration—Evidence from the EU Portable PC Market, American Economic Journal: Microeconomics, American Economic Association (2023) (2023)

2021

8. Are online markets more integrated than traditional markets? Evidence from consumer electronics
   Post-Print, HAL View citations (2)
   Also in CEPR Discussion Papers, C.E.P.R. Discussion Papers (2020) View citations (2)
   See also Journal Article Are online markets more integrated than traditional markets? Evidence from consumer electronics, Journal of International Economics, Elsevier (2021) View citations (4) (2021)
9. Distribution of the benefits of regulation vs. competition: The case of mobile telephony in South Africa
   Post-Print, HAL
   See also Journal Article Distribution of the benefits of regulation vs. competition: The case of mobile telephony in South Africa, International Journal of Industrial Organization, Elsevier (2021) View citations (1) (2021)
10. Estimating Consumer Inertia in Repeated Choices of Smartphones*
    Post-Print, HAL View citations (3)
    Also in CESifo Working Paper Series, CESifo (2018)
    22nd ITS Biennial Conference, Seoul 2018. Beyond the boundaries: Challenges for business, policy and society, International Telecommunications Society (ITS) (2018)
    See also Journal Article Estimating Consumer Inertia in Repeated Choices of Smartphones, Journal of Industrial Economics, Wiley Blackwell (2021) View citations (7) (2021)
11. Impact of Roaming Regulation on Revenues and Prices of Mobile Operators in the EU
    CESifo Working Paper Series, CESifo View citations (2)
    See also Journal Article Impact of roaming regulation on revenues and prices of mobile operators in the EU, International Journal of Industrial Organization, Elsevier (2023) (2023)

2020

12. Evaluating the impact of market integration -Banning online trade restrictions in the EU portable PC market
    Working Papers of Department of Economics, Leuven, KU Leuven, Faculty of Economics and Business (FEB), Department of Economics, Leuven View citations (2)

2019

13. Benefits of Regulation vs. Competition Where Inequality Is High: The Case of Mobile Telephony in South Africa
    CESifo Working Paper Series, CESifo View citations (2)
14. Narrowing the 'Digital Divide': The Role of Complementarities Between Fixed and Mobile Data in South Africa
    CESifo Working Paper Series, CESifo
15. Unbundling the incumbent and deployment of high-speed internet: Evidence from France
    Post-Print, HAL
    Also in CESifo Working Paper Series, CESifo (2018)
    See also Journal Article Unbundling the incumbent and deployment of high-speed internet: Evidence from France, International Journal of Industrial Organization, Elsevier (2019) View citations (1) (2019)

2018

16. IMPACT OF COMPETITION, INVESTMENT, AND REGULATION ON PRICES OF MOBILE SERVICES: EVIDENCE FROM FRANCE
    Post-Print, HAL View citations (8)
    See also Journal Article IMPACT OF COMPETITION, INVESTMENT, AND REGULATION ON PRICES OF MOBILE SERVICES: EVIDENCE FROM FRANCE, Economic Inquiry, Western Economic Association International (2018) View citations (12) (2018)
17. Transition from Copper to Fiber Broadband: The Role of Connection Speed and Switching Costs
    CESifo Working Paper Series, CESifo View citations (13)
    Also in Post-Print, HAL (2018) View citations (9)
    See also Journal Article Transition from copper to fiber broadband: The role of connection speed and switching costs, Information Economics and Policy, Elsevier (2018) View citations (13) (2018)

2017

18. Bundling, consumer retention and entry: evidence from fixed broadband market
    14th ITS Asia-Pacific Regional Conference, Kyoto 2017: Mapping ICT into Transformation for the Next Information Society, International Telecommunications Society (ITS)
19. Impact of competition and regulation on prices of mobile services: Evidence from France
    28th European Regional ITS Conference, Passau 2017, International Telecommunications Society (ITS) View citations (1)

2015

20. The Impact of Online Sales on Consumers and Firms: Evidence from Household Appliances
    JRC Working Papers on Digital Economy, Joint Research Centre View citations (4)

2014

21. Estimating broadband diffusion in the EU using NUTS 1 regional data
    Post-Print, HAL View citations (8)
    Also in Post-Print, HAL (2014) View citations (11)
    See also Journal Article Estimating broadband diffusion in the EU using NUTS 1 regional data, Telecommunications Policy, Elsevier (2014) View citations (6) (2014)
22. Estimating demand for quadruple-play tariffs: The impact on consumer surplus
    25th European Regional ITS Conference, Brussels 2014, International Telecommunications Society (ITS)
23. Substitution between Fixed-line and Mobile Access: the Role of Complementarities
    CEPR Discussion Papers, C.E.P.R. Discussion Papers View citations (2)
    Also in Working Papers of Department of Economics, Leuven, KU Leuven, Faculty of Economics and Business (FEB), Department of Economics, Leuven (2014) View citations (2)
    See also Journal Article Substitution between fixed-line and mobile access: the role of complementarities, Journal of Regulatory Economics, Springer (2016) View citations (30) (2016)

2013

24. Dynamic duopoly competition with switching costs and network externalities
    Post-Print, HAL View citations (8)
    See also Journal Article Dynamic Duopoly Competition with Switching Costs and Network Externalities, Review of Network Economics, De Gruyter (2013) View citations (10) (2013)
25. Substitution and Complementarity between Fixed-line and Mobile Access
    Working Papers, NET Institute View citations (7)

2011

26. Estimating network choices and switching costs in mobile telephony
    Post-Print, HAL

2009

27. The consumer welfare loss of minimum charges in mobile telephony
    Post-Print, HAL

2008

28. Estimating switching costs in the mobile telecommunications industry in the UK
    Post-Print, HAL View citations (9)
29. The competitiveness of mobile telecommunications industry across the European Union
    Post-Print, HAL View citations (1)
30. The complementarity between calls and messages in mobile telephony
    Post-Print, HAL View citations (15)
    Also in Working Papers, Portuguese Competition Authority (2007)
    See also Journal Article The complementarity between calls and messages in mobile telephony, Information Economics and Policy, Elsevier (2008) View citations (15) (2008)
31. The impact of regulation on the retail prices in fixed-line telephony across the European Union
    Post-Print, HAL View citations (8)
    See also Journal Article The impact of regulation on the retail prices in fixed-line telephony across the European Union, Telecommunications Policy, Elsevier (2008) View citations (7) (2008)

2007

32. Competition in Mobile Telephony in France and Germany
    Working Papers, NET Institute View citations (1)
    See also Journal Article COMPETITION IN MOBILE TELEPHONY IN FRANCE AND GERMANY, Manchester School, University of Manchester (2010) View citations (6) (2010)
33. Estimating network effects in the mobile telecommunications industry in Germany
    Post-Print, HAL View citations (9)
34. Merger Simulation in Mobile Telephony in Portugal
    Working Papers, NET Institute View citations (10)
    Also in Post-Print, HAL (2007) View citations (8)
    See also Journal Article Merger Simulation in Mobile Telephony in Portugal, Review of Industrial Organization, Springer (2007) View citations (10) (2007)
35. The Consumer Loss of the Minimum Duration for Mobile Telephone Calls
    Working Papers, Portuguese Competition Authority
    See also Journal Article The consumer loss of the minimum duration for mobile telephone calls, Telecommunications Policy, Elsevier View citations (2)

2006

36. Simulation of Merger in Mobile Telephony in Portugal
    Working Papers, NET Institute View citations (4)

2005

37. Essays on Economics of Network Industries: Mobile Telephony
    Munich Dissertations in Economics, University of Munich, Department of Economics
38. Regulation of mobile telephony across the European Union: an empirical analysis
    Post-Print, HAL View citations (28)
    See also Journal Article Regulation of Mobile Telephony across the European Union: An Empirical Analysis, Journal of Regulatory Economics, Springer (2005) View citations (34) (2005)

Journal Articles

2024

1. The Efficiency of State Aid for the Deployment of High-Speed Broadband: Evidence from the French Market
   ERSA Working Paper Series, 2024
   See also Working Paper The Efficiency of State Aid for the Deployment of High-Speed Broadband: Evidence from the French Markets, CESifo Working Paper Series (2023) View citations (1) (2023)

2023

2. Evaluating the Impact of Online Market Integration—Evidence from the EU Portable PC Market
   American Economic Journal: Microeconomics, 2023, 15, (4), 268-305
   See also Working Paper Evaluating the Impact of Online Market Integration-Evidence from the EU Portable PC Market, Working Papers (2022) (2022)
3. Impact of roaming regulation on revenues and prices of mobile operators in the EU
   International Journal of Industrial Organization, 2023, 89, (C)
   See also Working Paper Impact of Roaming Regulation on Revenues and Prices of Mobile Operators in the EU, CESifo Working Paper Series (2021) View citations (2) (2021)
4. Interoperability Between Mobile Money Agents and Choice of Network Operators: The Case of Tanzania
   Review of Network Economics, 2023, 22, (1), 27-52
   See also Working Paper Interoperability between mobile money agents and choice of network operators: the case of Tanzania, Working Papers (2024) (2024)
5. Mobile money and financial inclusion in Sub-Saharan Africa
   Information Economics and Policy, 2023, 65, (C) View citations (3)
   See also Working Paper Mobile money and financial inclusion in Sub-Saharan Africa, Working Papers (2024) (2024)
6. The Impact of Mobile Phones on Change in Employment Status in South Africa
   Review of Network Economics, 2023, 22, (2), 85-114
   See also Working Paper The Impact of Mobile Phones on Change in Employment Status in South Africa, Working Papers (2024) (2024)

2021

7. Are online markets more integrated than traditional markets? Evidence from consumer electronics
   Journal of International Economics, 2021, 131, (C) View citations (4)
   See also Working Paper Are online markets more integrated than traditional markets? Evidence from consumer electronics, Post-Print (2021) View citations (2) (2021)
8. Bundling and Consumer Churn in Telecommunications Markets
   Review of Network Economics, 2021, 20, (1), 35-54 View citations (3)
9. Distribution of the benefits of regulation vs. competition: The case of mobile telephony in South Africa
   International Journal of Industrial Organization, 2021, 74, (C) View citations (1)
   See also Working Paper Distribution of the benefits of regulation vs. competition: The case of mobile telephony in South Africa, Post-Print (2021) (2021)
10. Estimating Consumer Inertia in Repeated Choices of Smartphones
    Journal of Industrial Economics, 2021, 69, (1), 33-82 View citations (7)
    See also Working Paper Estimating Consumer Inertia in Repeated Choices of Smartphones*, Post-Print (2021) View citations (3) (2021)

2019

11. Unbundling the incumbent and deployment of high-speed internet: Evidence from France
    International Journal of Industrial Organization, 2019, 67, (C) View citations (1)
    See also Working Paper Unbundling the incumbent and deployment of high-speed internet: Evidence from France, Post-Print (2019) (2019)

2018

12. IMPACT OF COMPETITION, INVESTMENT, AND REGULATION ON PRICES OF MOBILE SERVICES: EVIDENCE FROM FRANCE
    Economic Inquiry, 2018, 56, (2), 1322-1345 View citations (12)
    See also Working Paper IMPACT OF COMPETITION, INVESTMENT, AND REGULATION ON PRICES OF MOBILE SERVICES: EVIDENCE FROM FRANCE, Post-Print (2018) View citations (8) (2018)
13. Transition from copper to fiber broadband: The role of connection speed and switching costs
    Information Economics and Policy, 2018, 42, (C), 1-10 View citations (13)
    See also Working Paper Transition from Copper to Fiber Broadband: The Role of Connection Speed and Switching Costs, CESifo Working Paper Series (2018) View citations (13) (2018)

2017

14. Infrastructure deficiencies and adoption of mobile money in Sub-Saharan Africa
    Information Economics and Policy, 2017, 40, (C), 71-79 View citations (35)
15. The impact of online sales on consumers and firms. Evidence from consumer electronics
    International Journal of Industrial Organization, 2017, 52, (C), 30-62 View citations (36)

2016

16. Substitution between fixed-line and mobile access: the role of complementarities
    Journal of Regulatory Economics, 2016, 49, (2), 113-151 View citations (30)
    See also Working Paper Substitution between Fixed-line and Mobile Access: the Role of Complementarities, CEPR Discussion Papers (2014) View citations (2) (2014)

2015

17. Estimating demand for fixed-mobile bundles and switching costs between tariffs
    Information Economics and Policy, 2015, 33, (C), 1-10 View citations (27)
18. The role of network effects and consumer heterogeneity in the adoption of mobile phones: Evidence from South Africa
    Telecommunications Policy, 2015, 39, (11), 933-943 View citations (6)

2014

19. Estimating broadband diffusion in the EU using NUTS 1 regional data
    Telecommunications Policy, 2014, 38, (1), 96-104 View citations (6)
    See also Working Paper Estimating broadband diffusion in the EU using NUTS 1 regional data, Post-Print (2014) View citations (8) (2014)
20. Fixed-to-mobile substitution in the European Union
    Telecommunications Policy, 2014, 38, (7), 601-612 View citations (22)
21. Market definition for broadband internet in Slovakia – Are fixed and mobile technologies in the same market?
    Information Economics and Policy, 2014, 28, (C), 39-56 View citations (22)

2013

22. Dynamic Duopoly Competition with Switching Costs and Network Externalities
    Review of Network Economics, 2013, 12, (1), 1-25 View citations (10)
    See also Working Paper Dynamic duopoly competition with switching costs and network externalities, Post-Print (2013) View citations (8) (2013)

2011

23. Screening competition in mobile telephony†
    Applied Economics, 2011, 43, (17), 2155-2163
24. Subscription Choices and Switching Costs in Mobile Telephony
    Review of Industrial Organization, 2011, 38, (1), 23-42 View citations (21)

2010

25. COMPETITION IN MOBILE TELEPHONY IN FRANCE AND GERMANY
    Manchester School, 2010, 78, (6), 702-724 View citations (6)
    See also Working Paper Competition in Mobile Telephony in France and Germany, Working Papers (2007) View citations (1) (2007)
26. Hedonic study on mobile telephony market in France: pricing–quality strategies
    Netnomics, 2010, 11, (3), 255-289 View citations (12)

2008

27. Estimating Switching Costs in Mobile Telephony in the UK
    Journal of Industry, Competition and Trade, 2008, 8, (2), 113-132 View citations (38)
28. The Competitiveness of Mobile Telephony across the European Union
    International Journal of the Economics of Business, 2008, 15, (1), 99-115 View citations (2)
29. The complementarity between calls and messages in mobile telephony
    Information Economics and Policy, 2008, 20, (3), 279-287 View citations (15)
    See also Working Paper The complementarity between calls and messages in mobile telephony, Post-Print (2008) View citations (15) (2008)
30. The impact of regulation on the retail prices in fixed-line telephony across the European Union
    Telecommunications Policy, 2008, 32, (2), 131-144 View citations (7)
    See also Working Paper The impact of regulation on the retail prices in fixed-line telephony across the European Union, Post-Print (2008) View citations (8) (2008)

2007

31. Estimating network effects in mobile telephony in Germany
    Information Economics and Policy, 2007, 19, (1), 65-79 View citations (54)
32. Merger Simulation in Mobile Telephony in Portugal
    Review of Industrial Organization, 2007, 31, (3), 205-220 View citations (10)
    See also Working Paper Merger Simulation in Mobile Telephony in Portugal, Working Papers (2007) View citations (10) (2007)

2005

33. Regulation of Mobile Telephony across the European Union: An Empirical Analysis
    Journal of Regulatory Economics, 2005, 28, (1), 47-67 View citations (34)
    See also Working Paper Regulation of mobile telephony across the European Union: an empirical analysis, Post-Print (2005) View citations (28) (2005)

Undated

34. The consumer loss of the minimum duration for mobile telephone calls
    Telecommunications Policy, 33, (3-4), 200-206 View citations (2)
    See also Working Paper The Consumer Loss of the Minimum Duration for Mobile Telephone Calls, Working Papers (2007) (2007)