Strona główna

Publications

refereed journal papers

Czajkowski, M., Zawadzki, W., Bernatek, G., & Sobolewski, M. (2024). Assessing the substitutability of mobile and fixed internet: The impact of 5G services on consumer valuation and price elasticity. Telecommunications Policy 48(10), 102869. 

Sobolewski, M. (2021). Measuring consumer well-being from using free-of-charge digital services. The case of navigation apps. Information Economics and Policy, 56, 100925. 

Sobolewski, M., & Allessie, D. (2021). Blockchain Applications in the Public Sector: Investigating Seven Real-Life Blockchain Deployments and Their Benefits. Blockchain and the Public Sector: Theories, Reforms, and Case Studies, 97-126. 

Sobolewski, M., & Czajkowski, M. (2018). Receiver benefits and strategic use of call externalities in mobile telephony markets. Information Economics and Policy, 44, 16-27. 

Kopczewski, T., Sobolewski, M., & Miernik, I. (2018). Bundling or unbundling? Integrated simulation model of optimal pricing strategies. International Journal of Production Economics, 204, 328-345. 

Gyódi, K., Sobolewski, M., & Ziembiński, M. (2018). What drives price dispersion in the European e-commerce industry?. Central European Economic Journal, 3(50), 53-71. 

Sobolewski, M., & Kopczewski, T. (2017). Estimating demand for fixed-line telecommunication bundles. Telecommunications Policy, 41(4), 227-241. 

Czajkowski, M., & Sobolewski, M. (2016). How much do switching costs and local network effects contribute to consumer lock-in in mobile telephony?. Telecommunications policy, 40(9), 855-869. 

Sobolewski, M., & Formanski, T. (2014). Simulation Analysis of SMRA Auction: An Application to Forthcoming LTE Spectrum Auction in Poland. Decyzje, 21, 95-114.

Sobolewski, M., & Czajkowski, M. (2012). Network effects and preference heterogeneity in the case of mobile telecommunications markets. Telecommunications Policy, 36(3), 197-211. 

Czajkowski, M., & Sobolewski, M. (2011). Measuring network effects in mobile telecommunications markets with stated-preference valuation methods. International Journal of Management and Network Economics, 2(2), 197-215. 

policy papers

Sobolewski, M., Mazur, J., & Paliński, M. (2017). GDPR: A step towards a user-centric internet?. Intereconomics, 52, 207-213. 

Sobolewski, M., & Duch Brown, N. (2022). Content Moderation and Competition in Digital Markets. TechREG Chronicle, December.

policy & technical reports

Hupont Isabelle & De Prato Giuditta, et al., 2023. „Next Generation Virtual Worlds: Societal, Technological, Economic and Policy Challenges for the EU” JRC Research Reports JRC133757, Joint Research Centre.

Dalla Benetta Alessandro, Sobolewski Maciej, Nepelski Daniel, 2021. „AI Watch: 2020 EU AI investments„, JRC Research Reports JRC126477, Joint Research Centre.

Rys Przemyslaw, Sobolewski Maciej, 2020. „Two-sided platforms: dynamic pricing and multiple equilibria„, JRC Working Papers on Digital Economy 2020-14, Joint Research Centre.

Nepelski Daniel, Sobolewski Maciej, 2020. „Estimating investments in General Purpose Technologies. The case of AI Investments in Europe„, JRC Research Reports JRC118953, Joint Research Centre.

Rys Przemyslaw, Sobolewski Maciej, 2020. „Two-sided platforms: dynamic pricing and multiple equilibria,” JRC Working Papers on Digital Economy 2020-14, Joint Research Centre.

Baldini Gianmarco, Barboni Marcello, et al., 2019. „Digital Transformation in Transport, Construction, Energy, Government and Public Administration„, JRC Research Reports JRC116179, Joint Research Centre.

Allessie David, Sobolewski Maciej, Vaccari Lorenzino, 2019. „Blockchain for digital government: An assessment of pioneering implementations in public services„, JRC Research Reports JRC115049, Joint Research Centre.

Netherlands Bureau for Economic Policy Analysis, 2015. „Study on the economic effects of the current VAT rules for passenger transport„, Taxation Studies 0055, Directorate General Taxation and Customs Union, European Commission.

Netherlands Bureau for Economic Policy Analysis , 2015. „A Study on R&D Tax Incentives – Final report” Taxation Papers 52, Directorate General Taxation and Customs Union, European Commission.

Sobolewski Maciej, Poniatowski Grzegorz, 2013. „Industrial Interconnectedness and Differences in Performance of Business Services Across the EU25” CASE Network Studies and Analyses 0455, CASE-Center for Social and Economic Research.

Balcerowicz Ewa, Sobolewski Maciej, 2005. „Competitiveness of the Polish Manufacturing Sector: Does Government Policy Matter?” CASE Network Reports 0062, CASE-Center for Social and Economic Research. 

working papers & ongoing work

Sobolewski, M., Duch-Brown, N. (2024) Entry and competition on platform markets. Evidence from the European tablet industry

Sobolewski, M. (2020). Content moderation on two-sided markets.

Sobolewski, M., Miernik, I., & Kopczewski, T. (2015). Bundling or Unbundling ? Analysis of Profit Gains from Bundling.

Sobolewski Maciej, Paliński Michał, 2017. „How much consumers value on-line privacy? Welfare assessment of new data protection regulation (GDPR)” Working Papers 2017-17, Faculty of Economic Sciences, University of Warsaw.