Zainteresowania badawcze

My interests focus on the analysis of imperfectly competitive markets and mechanisms of mantaining market power, especially in netwrok industries.

My research work is mostly empirical and links with telecoms, digital platforms. I do structural demand estimation and discrete choice models.

• online platforms; data sharing; data-driven services;
• emerging technologies (blockchain, metaverse, ai);
• online privacy and content moderation by platforms;
• demand and valuation of zero-price digital services;
• competition in app stores and mobile operating systems;
• estimation of switching costs and network effects;
• competition policy and regulatory economics: market delineation, mergers;

I invite ambitious students and prospective PhD candidates in economics and marketing, interested in the above topics, to develop research and disseration under my supervision.

mail to: maciej.sobolewski@uw.edu.pl